re PR c/65467 ([libgomp] sorry, unimplemented: '_Atomic' with OpenMP)

[gcc.git] / gcc / c / ChangeLog

2016-09-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/65467
        * c-parser.c (c_parser_declspecs): Don't sorry about _Atomic if
        flag_openmp.
        (c_parser_omp_variable_list): Use convert_lvalue_to_rvalue
        instead of mark_exp_read on low_bound/length expression.
        (c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_threads,
        c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize,
        c_parser_omp_clause_priority, c_parser_omp_clause_hint,
        c_parser_omp_clause_num_workers, c_parser_oacc_shape_clause,
        c_parser_oacc_clause_tile, c_parser_omp_clause_schedule,
        c_parser_omp_clause_vector_length, c_parser_omp_clause_num_teams,
        c_parser_omp_clause_thread_limit, c_parser_omp_clause_aligned,
        c_parser_omp_clause_linear, c_parser_omp_clause_safelen,
        c_parser_omp_clause_simdlen, c_parser_omp_clause_device,
        c_parser_omp_clause_dist_schedule): Use convert_lvalue_to_rvalue
        instead of mark_expr_read.
        (c_parser_omp_declare_reduction): Reject _Atomic qualified types.
        * c-objc-common.h (LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
        LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP): Redefine.
        * c-tree.h (c_omp_clause_copy_ctor): New prototype.
        * c-typeck.c (handle_omp_array_sections_1): Diagnose _Atomic qualified
        array section bases outside of depend clause, for depend clause
        use convert_lvalue_to_rvalue on the base.
        (c_finish_omp_clauses): Reject _Atomic qualified vars in reduction,
        linear, aligned, map, to and from clauses.
        (c_omp_clause_copy_ctor): New function.

2016-09-01  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-typeck.c (composite_type): Add FALLTHRU comment.

2016-08-31  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_declaration_or_fndef): Add trailing space
        to the insertion fixits for "struct", "union", and "enum".

2016-08-30  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (implicit_decl_warning): Use add_fixit_replace
        rather than add_fixit_misspelled_id.
        (undeclared_variable): Likewise.
        * c-parser.c (c_parser_declaration_or_fndef): Likewise.  Remove
        now-redundant "here" params from add_fixit_insert method calls.
        (c_parser_parameter_declaration): Likewise.
        * c-typeck.c (build_component_ref): Remove now-redundant range
        param from add_fixit_replace method calls.

2016-08-25  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (parser_build_binary_op): Pass LHS to
        warn_logical_not_parentheses.

2016-08-25  Marek Polacek  <polacek@redhat.com>

        PR c/77323
        * c-decl.c (declspecs_add_type): Set typespec_word even when __intN
        or _FloatN or _FloatNx is not supported.
        (finish_declspecs): Set type to integer_type_node when _FloatN or
        _FloatNx is not supported.

2016-08-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/32187
        * c-tree.h (cts_floatn_nx): New enum c_typespec_keyword value.
        (struct c_declspecs): Add field floatn_nx_idx.
        * c-decl.c (declspecs_add_type, finish_declspecs): Handle _FloatN
        and _FloatNx type specifiers.
        * c-parser.c (c_keyword_starts_typename, c_token_starts_declspecs)
        (c_parser_declspecs, c_parser_attribute_any_word)
        (c_parser_objc_selector): Use CASE_RID_FLOATN_NX.
        * c-typeck.c (c_common_type): Handle _FloatN and _FloatNx types.
        (convert_arguments): Avoid promoting _FloatN and _FloatNx types
        narrower than double.

2016-08-12  Jakub Jelinek  <jakub@redhat.com>
            Martin Liska  <mliska@suse.cz>

        PR c/67410
        * c-typeck.c (set_nonincremental_init_from_string): Use / instead of
        % to determine val element to change.  Assert that
        wchar_bytes * charwidth fits into val array.

2016-08-12  Marek Polacek  <polacek@redhat.com>

        PR c/7652
        * c-parser.c (c_parser_external_declaration): Add FALLTHRU.
        (c_parser_postfix_expression): Likewise.
        * c-typeck.c (build_unary_op): Adjust fall through comment.
        (c_mark_addressable): Likewise.

2016-08-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/72816
        * c-decl.c (grokdeclarator): When adding TYPE_DOMAIN for flexible
        array member through typedef, for orig_qual_indirect == 0 clear
        orig_qual_type.

2016-08-08  David Malcolm  <dmalcolm@redhat.com>

        PR c/64955
        * c-lang.c (LANG_HOOKS_RUN_LANG_SELFTESTS): If CHECKING_P, wire
        this up to selftest::run_c_tests.
        (selftest::run_c_tests): New function.

2016-08-04  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (struct oacc_routine_data): Add error_seen and
        fndecl_seen members.
        (c_finish_oacc_routine): Use these.
        (c_parser_declaration_or_fndef): Adjust.
        (c_parser_oacc_routine): Likewise.  Support more C language
        constructs, and improve diagnostics.  Move pragma context
        checking...
        (c_parser_pragma): ... here.

        * c-parser.c (struct oacc_routine_data): New.
        (c_parser_declaration_or_fndef, c_parser_oacc_routine): Use it.
        Simplify code.
        (c_finish_oacc_routine): Likewise.  Don't attach clauses to "omp
        declare target" attribute.

2016-08-01  Jan Beulich  <jbeulich@suse.com>

        * c-fold.c (c_fully_fold_internal): Also emit shift count
        warnings for vector types.
        * c-typeck.c (build_binary_op): Likewise.

2016-07-29  Marek Polacek  <polacek@redhat.com>

        PR c/71742
        * c-decl.c (finish_struct): Rephrase an error message.

        PR c/71853
        * c-parser.c (c_parser_switch_statement): Initialize ce.original_type
        to error node for invalid code.

        PR c/71573
        * c-decl.c (implicitly_declare): Return decl early not only for
        error_mark_nodes, but for anything that is not a FUNCTION_DECL.

2016-07-29  Jakub Jelinek  <jakub@redhat.com>

        PR c/71969
        * c-decl.c (finish_function): Only set DECL_DISREGARD_INLINE_LIMITS
        on GNU extern inline functions.

2016-07-29  Marek Polacek  <polacek@redhat.com>

        PR c/71583
        * c-parser.c (c_parser_postfix_expression_after_paren_type): Also
        check expr.value.

2016-07-22  Uros Bizjak  <ubizjak@gmail.com>

        * c-typeck.c: Use HOST_WIDE_INT_1 instead of (HOST_WIDE_INT) 1,

2016-07-20  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (struct edit_distance_traits<cpp_hashnode *>): Move to
        spellcheck-tree.h
        (best_macro_match): Likewise, converting from a typedef to a
        subclass.
        (find_closest_macro_cpp_cb): Move to spellcheck-tree.c.
        (lookup_name_fuzzy): Update for change of best_macro_match to a
        subclass with a ctor that calls cpp_forall_identifiers.

2016-07-20  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (implicit_decl_warning): Update for conversion of
        return type of lookup_name_fuzzy to const char *.
        (undeclared_variable): Likewise.
        (lookup_name_fuzzy): Convert return type from tree to
        const char *.
        * c-parser.c (c_parser_declaration_or_fndef): Update for
        conversion of return type of lookup_name_fuzzy to const char *.
        (c_parser_parameter_declaration): Likewise.

2016-07-15  Cesar Philippidis  <cesar@codesourcery.com>

        * c-parser.c (c_parser_oacc_declare): Don't scan for
        GOMP_MAP_POINTER.
        * c-typeck.c (handle_omp_array_sections): Mark data clauses with
        GOMP_MAP_FORCE_{PRESENT,TO,FROM,TOFROM} as potentially having
        zero-length subarrays.

2016-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/71858
        * c-decl.c (implicit_decl_warning): Use FUZZY_LOOKUP_FUNCTION_NAME
        instead of FUZZY_LOOKUP_NAME.
        (lookup_name_fuzzy): For FUZZY_LOOKUP_FUNCTION_NAME consider
        FUNCTION_DECLs, {VAR,PARM}_DECLs function pointers and macros.

2016-07-14  Jakub Jelinek  <jakub@redhat.com>

        PR c/71858
        * c-decl.c (lookup_name_fuzzy): Ignore binding->invisible.

2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * c-parser.c (c_parser_generic_selection): Make type of variable
        auto_vec.
        (c_parser_omp_declare_simd): Likewise.

2016-07-12  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * c-decl.c (struct c_struct_parse_info): Change member types
        from vec to auto_vec.
        (start_struct): Adjust.
        (finish_struct): Likewise.

2016-07-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/71719
        * c-typeck.c (mark_exp_read): Handle VIEW_CONVERT_EXPR.

2016-06-29  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_pragma) <PRAGMA_OMP_CANCELLATION_POINT>:
        Move pragma context checking into...
        (c_parser_omp_cancellation_point): ... here, and improve
        diagnostic messages.
        * c-typeck.c (c_finish_omp_cancel)
        (c_finish_omp_cancellation_point): Improve diagnostic messages.

2016-06-29  Jakub Jelinek  <jakub@redhat.com>

        PR c/71685
        * c-typeck.c (c_build_qualified_type): Don't clear
        C_TYPE_INCOMPLETE_VARS for the main variant.

2016-06-28  Martin Sebor  <msebor@redhat.com>

        PR c/71552
        * c-typeck.c (output_init_element): Diagnose incompatible types
        before non-constant initializers.

2016-06-28  Jakub Jelinek  <jakub@redhat.com>

        * Make-lang.in: Don't cat ../stage_current if it does not exist.

2016-06-23  Andi Kleen  <ak@linux.intel.com>

        * Make-lang.in: Add support for autofdo.

2016-06-22  David Malcolm  <dmalcolm@redhat.com>

        PR c/70339
        * c-decl.c: Include spellcheck-tree.h and gcc-rich-location.h.
        (implicit_decl_warning): When issuing warnings for implicit
        declarations, attempt to provide a suggestion via
        lookup_name_fuzzy.
        (undeclared_variable): Likewise when issuing errors.
        (lookup_name_in_scope): Likewise.
        (struct edit_distance_traits<cpp_hashnode *>): New struct.
        (best_macro_match): New typedef.
        (find_closest_macro_cpp_cb): New function.
        (lookup_name_fuzzy): New function.
        * c-parser.c: Include gcc-rich-location.h.
        (c_token_starts_typename): Split out case CPP_KEYWORD into...
        (c_keyword_starts_typename): ...this new function.
        (c_parser_declaration_or_fndef): When issuing errors about
        missing "struct" etc, add a fixit.  For other kinds of errors,
        attempt to provide a suggestion via lookup_name_fuzzy.
        (c_parser_parms_declarator): When looking ahead to detect typos in
        type names, also reject CPP_KEYWORD.
        (c_parser_parameter_declaration): When issuing errors about
        unknown type names, attempt to provide a suggestion via
        lookup_name_fuzzy.
        * c-tree.h (c_keyword_starts_typename): New prototype.

2016-06-20  Joseph Myers  <joseph@codesourcery.com>

        PR c/71601
        * c-typeck.c (build_conditional_expr): Return error_mark_node if
        c_common_type returns error_mark_node.

2016-06-19 Martin Sebor  <msebor@redhat.com>

        PR c/69507
        * c-parser.c (c_parser_alignof_expression): Avoid diagnosing
        __alignof__ (expression).

2016-06-14  David Malcolm  <dmalcolm@redhat.com>

        * c-typeck.c: Include spellcheck-tree.h rather than spellcheck.h.

2016-06-14  David Malcolm  <dmalcolm@redhat.com>

        * c-typeck.c (build_component_ref): Simplify fixit code by
        using gcc_rich_location::add_fixit_misspelled_id.
        (set_init_label): Likewise.

2016-06-13  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_initelt): Provide location of name for new
        location_t param of set_init_label.
        * c-tree.h (set_init_label): Add location_t param.
        * c-typeck.c (set_init_index): Add "fieldname_loc" location_t
        param and use it when issuing error messages about unrecognized
        field names.  Attempt to provide a fixit hint if appropriate,
        otherwise update the error message to provide the type name.

2016-06-10  Thomas Schwinge  <thomas@codesourcery.com>

        PR c/71381
        * c-parser.c (c_parser_omp_variable_list) <OMP_CLAUSE__CACHE_>:
        Loosen checking.

2016-06-08  Martin Sebor  <msebor@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c++/70507
        PR c/68120
        * c-typeck.c (convert_arguments): Don't promote last argument
        of BUILT_IN_{ADD,SUB,MUL}_OVERFLOW_P.

2016-06-08  Marek Polacek  <polacek@redhat.com>

        PR c/71418
        * c-decl.c (grokdeclarator): Check TYPE_P.

        PR c/71426
        * c-decl.c (get_parm_info): Don't crash on an assert on invalid
        code.

2016-06-07  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_postfix_expression): In __builtin_offsetof
        and structure element reference, capture the location of the
        element name token and pass it to build_component_ref.
        (c_parser_postfix_expression_after_primary): Likewise for
        structure element dereference.
        (c_parser_omp_variable_list): Likewise for
        OMP_CLAUSE_{_CACHE, MAP, FROM, TO},
        * c-tree.h (build_component_ref): Add location_t param.
        * c-typeck.c (build_component_ref): Add location_t param
        COMPONENT_LOC.  Use it, if available, when issuing hints about
        mispelled member names to provide a fixit replacement hint.

2016-06-06  Marek Polacek  <polacek@redhat.com>

        PR c/71362
        * c-parser.c (c_parser_direct_declarator): Set location.

2016-06-06  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (comptypes_internal): Handle comparisons of
        INTEGER_TYPE, FIXED_POINT_TYPE, and REAL_TYPE nodes.  Don't check
        TYPE_REF_CAN_ALIAS_ALL.

2016-06-03  Chung-Lin Tang  <cltang@codesourcery.com>

        * c-typeck.c (c_finish_omp_clauses): Mark OpenACC reduction
        arguments as addressable when async clause exists.

2016-05-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/71349
        * c-parser.c (c_parser_omp_for): Don't disallow nowait clause
        when combined with target construct.

2016-05-26  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (c_parser_omp_clause_schedule): Warn if
        OMP_CLAUSE_SCHEDULE_CHUNK_EXPR is known not to be positive.

2016-05-25  Marek Polacek  <polacek@redhat.com>

        PR c/71265
        * c-decl.c (c_make_fname_decl): Don't check seen_error.

        PR c/71266
        * c-decl.c (store_parm_decls_oldstyle): Skip non-PARM_DECLs.

2016-05-24  Cesar Philippidis  <cesar@codesourcery.com>

        * c-parser.c (c_parser_oacc_declare): Add support for
        GOMP_MAP_FIRSTPRIVATE_POINTER.
        * c-typeck.c (handle_omp_array_sections_1): Replace bool is_omp
        argument with enum c_omp_region_type ort.
        (handle_omp_array_sections): Likewise.  Update call to
        handle_omp_array_sections_1.
        (c_finish_omp_clauses): Add specific errors and warning messages for
        OpenACC.  Use firsrtprivate pointers for OpenACC subarrays.  Update
        call to handle_omp_array_sections.

2016-05-24  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_oacc_routine): Tighten syntax checks.

2016-05-24  Richard Biener  <rguenther@suse.de>

        PR middle-end/70434
        PR c/69504
        * c-typeck.c (build_array_ref): Do not complain about indexing
        non-lvalue vectors.  Adjust for function name change.

2016-05-20  Martin Sebor  <msebor@redhat.com>

        PR c/71115
        * c-typeck.c (error_init): Use
        expansion_point_location_if_in_system_header.
        (warning_init): Same.

2016-05-19  David Malcolm  <dmalcolm@redhat.com>

        PR c/71171
        * c-parser.c (c_parser_generic_selection): Use c_expr::set_error
        in error-handling.
        (c_parser_postfix_expression): Likewise.
        * c-tree.h (c_expr::set_error): New method.
        * c-typeck.c (parser_build_binary_op): In error-handling, ensure
        that result's range is initialized.

2016-05-17  James Greenhalgh  <james.greenhalgh@arm.com>

        * c-typeck.c (parser_build_unary_op): Fix formatting.

2016-05-16  Matthew Wahab  <matthew.wahab@arm.com>

        * c-decl.c (grokdeclarator): Remove errmsg and use of
        targetm.invalid_return_type.
        (grokparms): Remove errmsg and use of
        targetm.invalid_parameter_type.

2016-05-13  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (grokdeclarator): For C11, discard qualifiers on
        function return type.

2016-05-12  Marek Polacek  <polacek@redhat.com>

        PR c/70756
        * c-decl.c (build_compound_literal): Pass LOC down to
        c_incomplete_type_error.
        * c-tree.h (require_complete_type): Adjust declaration.
        (c_incomplete_type_error): Likewise.
        * c-typeck.c (require_complete_type): Add location parameter, pass it
        down to c_incomplete_type_error.
        (c_incomplete_type_error): Add location parameter, pass it down to
        error_at.
        (build_component_ref): Pass location down to c_incomplete_type_error.
        (default_conversion): Pass location down to require_complete_type.
        (build_array_ref): Likewise.
        (build_function_call_vec): Likewise.
        (convert_arguments): Likewise.
        (build_unary_op): Likewise.
        (build_c_cast): Likewise.
        (build_modify_expr): Likewise.
        (convert_for_assignment): Likewise.
        (c_finish_omp_clauses): Likewise.

2016-05-11  Mikhail Maltsev  <maltsevm@gmail.com>

        PR c/43651
        * c-decl.c (declspecs_add_qual): Warn when -Wduplicate-decl-specifier
        is enabled.
        * c-errors.c (pedwarn_c90): Return true if warned.
        * c-tree.h (pedwarn_c90): Change return type to bool.
        (enum c_declspec_word): Add new enumerator cdw_atomic.

2016-05-11  Marek Polacek  <polacek@redhat.com>

        PR c++/71024
        * c-decl.c (diagnose_mismatched_decls): Factor out code to
        diagnose_mismatched_attributes and call it.

2016-05-10  Marek Polacek  <polacek@redhat.com>

        PR c/70255
        * c-decl.c (diagnose_mismatched_decls): Warn for optimize attribute
        on a declaration following the definition.

2016-05-05  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (c_parser_switch_statement): Add IF_P argument,
        parse it through to c_parser_c99_block_statement.
        (c_parser_statement_after_labels): Adjust c_parser_switch_statement
        caller.

2016-05-04  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_if_statement): Replace OPT_Wparentheses with
        OPT_Wdangling_else.

2016-05-04  Marek Polacek  <polacek@redhat.com>

        PR c/48778
        * c-typeck.c (build_binary_op): Don't issue -Waddress warnings
        for macro expansions.

2016-05-03  Marek Polacek  <polacek@redhat.com>

        PR c/70859
        * c-typeck.c (build_function_call_vec): Pass LOC and ARG_LOC down to
        check_builtin_function_arguments.

2016-05-03  Richard Biener  <rguenther@suse.de>

        * Make-lang.in (cc1-checksum.c): For stage-final re-use
        the checksum from the previous stage.

2016-05-02  Cesar Philippidis  <cesar@codesourcery.com>

        * c-parser.c (c_parser_oacc_all_clauses): Update call to
        c_finish_omp_clauses.
        (c_parser_omp_all_clauses): Likewise.
        (c_parser_oacc_cache): Likewise.
        (c_parser_oacc_loop): Likewise.
        (omp_split_clauses): Likewise.
        (c_parser_omp_declare_target): Likewise.
        (c_parser_cilk_all_clauses): Likewise.
        (c_parser_cilk_for): Likewise.
        * c-typeck.c (c_finish_omp_clauses): Replace bool arguments
        is_omp, declare_simd, and is_cilk with enum c_omp_region_type ort.

2016-05-02  Marek Polacek  <polacek@redhat.com>

        PR c/70851
        * c-decl.c (grokdeclarator): Diagnose when array's size has an
        incomplete type.

2016-04-29  Cesar Philippidis  <cesar@codesourcery.com>

        PR middle-end/70626
        * c-parser.c (c_parser_oacc_loop): Don't augment mask with
        OACC_LOOP_CLAUSE_MASK.
        (c_parser_oacc_kernels_parallel): Update call to
        c_oacc_split_loop_clauses.

2016-04-28  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c (fix_builtin_array_notation_fn): Fix final
        argument to build_modify_expr in two cases.

2016-04-27  Bernd Schmidt  <bschmidt@redhat.com>

        * c-parser.c (c_parser_postfix_expression_after_primary): Call
        warn_for_memset instead of warning directly here.

2016-04-26  Marek Polacek  <polacek@redhat.com>

        PR c/67784
        * c-parser.c (c_parser_maybe_reclassify_token): New function factored
        out of ...
        (c_parser_for_statement): ... here.
        (c_parser_if_statement): Use it.
        (c_parser_switch_statement): Use it.
        (c_parser_while_statement): Use it.

        PR c/70791
        * c-decl.c (pushdecl): Pass LOCUS down to warning.

2016-04-20  Ilya Verbin  <ilya.verbin@intel.com>

        PR c++/69363
        * c-parser.c (c_parser_cilk_all_clauses): Use c_finish_omp_clauses
        instead of c_finish_cilk_clauses.
        * c-tree.h (c_finish_omp_clauses): Add new default argument.
        * c-typeck.c (c_finish_omp_clauses): Add new argument.  Allow
        floating-point variables in the linear clause for Cilk Plus.

2016-04-18  Michael Matz  <matz@suse.de>

        * c-decl.c (merge_decls): Use SET_DECL_ALIGN and SET_TYPE_ALIGN.
        (grokdeclarator, parser_xref_tag, finish_enum): Use SET_TYPE_ALIGN.

2016-04-15  Marek Polacek  <polacek@redhat.com>

        PR c/70671
        * c-typeck.c (build_unary_op): Pass location down to error and
        warning call.

2016-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/70436
        * c-parser.c (c_parser_pragma): Add IF_P argument, pass it down
        where needed.
        (c_parser_external_declaration, c_parser_struct_or_union_specifier,
        c_parser_parameter_declaration, c_parser_compound_statement_nostart,
        c_parser_objc_class_instance_variables, c_parser_objc_methodprotolist):
        Adjust c_parser_pragma callers.
        (c_parser_statement_after_labels): Likewise.  Adjust c_parser_cilk_for
        caller.
        (c_parser_omp_structured_block): Add IF_P argument, pass it down to
        c_parser_statement.
        (c_parser_oacc_data, c_parser_oacc_host_data, c_parser_oacc_loop,
        c_parser_oacc_kernels_parallel, c_parser_omp_critical,
        c_parser_omp_simd, c_parser_omp_for, c_parser_omp_master,
        c_parser_omp_ordered, c_parser_omp_parallel, c_parser_omp_single,
        c_parser_omp_task, c_parser_omp_taskgroup, c_parser_omp_distribute,
        c_parser_omp_teams, c_parser_omp_target_data, c_parser_omp_target,
        c_parser_omp_taskloop, c_parser_omp_construct, c_parser_cilk_grainsize,
        c_parser_cilk_simd, c_parser_cilk_for): Add IF_P argument, pass it
        down where needed.
        (c_parser_omp_for_loop): Likewise.  Clear IF_P if nbraces.
        (c_parser_omp_sections_scope): Adjust c_parser_omp_structured_block
        calls.

2016-04-13  Marek Polacek  <polacek@redhat.com>

        PR c/70436
        * c-parser.c (c_parser_statement_after_labels): Add IF_P argument and
        adjust callers.
        (c_parser_statement): Likewise.
        (c_parser_c99_block_statement): Likewise.
        (c_parser_while_statement): Likewise.
        (c_parser_for_statement): Likewise.
        (c_parser_if_body): Don't set IF_P here.
        (c_parser_if_statement): Add IF_P argument.  Set IF_P here.  Warn
        about dangling else here.
        * c-tree.h (c_finish_if_stmt): Adjust declaration.
        * c-typeck.c (c_finish_if_stmt): Remove NESTED_IF parameter.  Don't
        warn about dangling else here.

2016-04-04  Marek Polacek  <polacek@redhat.com>

        PR c/70307
        * c-fold.c (c_fully_fold_internal): Handle VEC_COND_EXPR.

2016-03-31  Marek Polacek  <polacek@redhat.com>

        PR c/70297
        * c-decl.c (merge_decls): Also set TYPE_ALIGN and TYPE_USER_ALIGN.

2016-03-18  David Malcolm  <dmalcolm@redhat.com>

        PR c/70281
        * c-parser.c (c_parser_postfix_expression): Set the source range
        for uses of "__builtin_types_compatible_p".

2016-03-17  Jakub Jelinek  <jakub@redhat.com>

        PR c/70280
        * c-typeck.c (composite_type): Don't count void_list_node
        into len, if the list is terminated by void_list_node, start
        with void_list_node instead of NULL for newargs.  Stop
        at void_list_node.

2016-03-16  Marek Polacek  <polacek@redhat.com>

        PR c/70093
        * c-typeck.c (build_function_call_vec): Create a TARGET_EXPR for
        nested functions returning VM types.

2016-03-09  Cesar Philippidis  <cesar@codesourcery.com>

        * c-parser.c (c_parser_oacc_loop): Update cclauses and clauses
        when calling c_finish_omp_clauses.

2016-03-04  Bernd Schmidt  <bschmidt@redhat.com>

        PR c/69824
        * c-decl.c (get_parm_info): Don't queue implicit function declarations
        for later.

2016-03-04  Marek Polacek  <polacek@redhat.com>

        PR c/69798
        * c-parser.c (c_parser_postfix_expression): Call
        c_parser_cast_expression rather than c_parser_postfix_expression.

2016-03-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/69796
        PR c/69974
        * c-parser.c (c_parser_translation_unit): Don't change TREE_TYPE
        of incomplete decls to error_mark_node.

2016-02-24  Marek Polacek  <polacek@redhat.com>

        PR c/69819
        * c-decl.c (finish_decl): Don't update the copy of the type of a
        different decl type.

2016-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR objc/69844
        * c-parser.c (c_parser_for_statement): Properly handle ObjC classes
        in id_kind reclassification.

2016-02-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/69835
        * c-typeck.c (build_binary_op): Revert 2015-09-09 change.

2016-02-16  James Norris  <jnorris@codesourcery.com>

        PR c/64748
        * c-parser.c (c_parser_oacc_data_clause_deviceptr): Allow parms.

2016-02-12  Bernd Schmidt  <bschmidt@redhat.com>

        * c-decl.c (build_null_declspecs): Zero the entire struct.

        PR c/69522
        * c-parser.c (c_parser_braced_init): New arg outer_obstack.  All
        callers changed.  If nested_p is true, use it to call
        finish_implicit_inits.
        * c-tree.h (finish_implicit_inits): Declare.
        * c-typeck.c (finish_implicit_inits): New function.  Move code
        from ...
        (push_init_level): ... here.
        (set_designator, process_init_element): Call finish_implicit_inits.

2016-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/69768
        * c-typeck.c (parser_build_binary_op): Strip nops from integer_zerop
        arguments for -Waddress warning.

2016-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/69669
        * c-decl.c (finish_enum): When honoring mode attribute,
        make sure to use proper TYPE_MIN_VALUE and TYPE_MAX_VALUE.

2016-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR debug/69518
        * c-decl.c (finish_struct): Clear C_TYPE_INCOMPLETE_VARS in
        all type variants, not just TYPE_MAIN_VARIANT.

2016-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR debug/66869
        * c-decl.c (c_write_global_declarations_1): Warn with
        warn_unused_function if static prototype without definition
        is not C_DECL_USED.

2016-01-27  Marek Polacek  <polacek@redhat.com>

        PR c/68062
        * c-typeck.c (build_binary_op) [EQ_EXPR, GE_EXPR]: Promote operand
        to unsigned, if needed.  Add -Wsign-compare warning.

2016-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/69483
        * c-parser.c (c_parser_translation_unit): Use FOR_EACH_VEC_ELT.

2016-01-20  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR c/24293
        * c-tree.h (incomplete_record_decls): Declare.
        * c-parser.c (incomplete_record_decls): Define.
        (c_parser_translation_unit): Iterate through incomplete_record_decls and
        report error if any decl has zero size.
        * c-decl.c (finish_decl): Append static decl with incomplete struct/union
        or enum type to incomplete_record_decls.

2016-01-14  Tom de Vries  <tom@codesourcery.com>

        PR tree-optimization/68773
        * c-parser.c (c_parser_oacc_declare, c_parser_omp_declare_target): Don't
        set force_output.

2016-01-14  Marek Polacek  <polacek@redhat.com>

        PR c/69262
        * c-decl.c (grokdeclarator): Provide more information for invalid
        array declarations.

2016-01-06  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_unary_expression): For dereferences, build
        a combined location before calling build_indirect_ref, so that
        error reports cover the full range, manually updating the c_expr
        src_range.

2016-01-06  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/69099
        * c-convert.c (convert) [INTEGER_TYPE]: Drop ARG.  Don't pass ARG to
        ubsan_instrument_float_cast.  Fold EXPR.  Use NULL_TREE instead of
        NULL.

2016-01-04  Jakub Jelinek  <jakub@redhat.com>

        Update copyright years.

2016-01-04  Marek Polacek  <polacek@redhat.com>

        PR c/68908
        * c-typeck.c (build_atomic_assign): Improve commentary.  Add
        optimization to use __atomic_fetch_* built-in if possible.

2015-12-23  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_oacc_clause_use_device): Merge function
        into...
        (c_parser_omp_clause_use_device_ptr): ... this function.  Adjust
        all users.

2015-12-22  Marek Polacek  <polacek@redhat.com>

        PR c/69002
        * c-typeck.c (build_component_ref): Warn when acessing elements of
        atomic structures or unions.

2015-12-21  David Malcolm  <dmalcolm@redhat.com>

        * c-typeck.c: Include "gcc-rich-location.h".
        (build_binary_op): In the two places that call binary_op_error,
        create a gcc_rich_location and populate it with the location of
        the binary op and its two operands.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_statement_after_labels): When calling
        c_finish_return, Use the return expression's location if it has
        one, falling back to the location of the first token within it.
        * c-typeck.c (c_finish_return): When issuing warnings about
        the incorrect presence/absence of a return value, issue a note
        showing the declaration of the function.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (struct c_parser): Expand array "tokens_buf" from 2
        to 4.
        (c_parser_peek_nth_token): New function.
        (c_parser_peek_conflict_marker): New function.
        (c_parser_error): Detect conflict markers and report them as such.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_postfix_expression): Use EXPR_LOC_OR_LOC
        to preserve range information for the primary expression
        in the call to c_parser_postfix_expression_after_primary.

2015-12-16  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_static_assert_declaration_no_semi): Use the
        expression location, falling back on the first token location,
        rather than always using the latter.

2015-12-16  Marek Polacek  <polacek@redhat.com>

        PR c/64637
        * c-typeck.c (c_process_expr_stmt): Use location of the expression if
        available.

2015-12-15  Marek Polacek  <polacek@redhat.com>

        PR c/68907
        * c-typeck.c (build_atomic_assign): Set TREE_NO_WARNING on an
        artificial decl.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_alignof_expression): Capture location of
        closing parenthesis (if any), or of end of unary expression, and
        use it to build a src_range for the expression.

2015-12-08  David Malcolm  <dmalcolm@redhat.com>

        PR c/68757
        * c-parser.c (c_parser_get_builtin_args): Add
        "out_close_paren_loc" param, and write back to it.
        (c_parser_postfix_expression): Capture the closing
        parenthesis location for RID_CHOOSE_EXPR,
        RID_BUILTIN_CALL_WITH_STATIC_CHAIN, RID_BUILTIN_COMPLEX,
        RID_BUILTIN_SHUFFLE and use it to set the source range
        for such expressions; within RID_BUILTIN_COMPLEX set
        the underlying location.

2015-12-07  Marek Polacek  <polacek@redhat.com>

        PR c/68668
        * c-decl.c (grokdeclarator): If ORIG_QUAL_INDIRECT is indirect, use
        TREE_TYPE of ORIG_QUAL_TYPE, otherwise decrement ORIG_QUAL_INDIRECT.

2015-12-04  Eric Botcazou  <ebotcazou@adacore.com>

        * c-tree.h (c_build_va_arg): Adjust prototype.
        * c-parser.c (c_parser_postfix_expression): Adjust call to above.
        * c-typeck.c (c_build_va_arg): Rename LOC parameter to LOC2, add LOC1
        parameter, adjust throughout and issue an error if EXPR is a component
        with reverse storage order.

2015-12-02  Jason Merrill  <jason@redhat.com>

        * c-fold.c (c_disable_warnings, c_enable_warnings, c_fully_fold)
        (c_fully_fold_internal, decl_constant_value_for_optimization):
        Move from c-common.c.
        * c-tree.h: Declare decl_constant_value_for_optimization.
        * Make-lang.in (C_AND_OBJC_OBJS): Add c-fold.o.

2015-12-02  Joseph Myers  <joseph@codesourcery.com>

        PR c/68162
        * c-decl.c (grokdeclarator): Set first_non_attr_kind before
        following link from declarator to next declarator.  Track original
        qualified type and pass it to c_build_qualified_type.
        * c-typeck.c (c_build_qualified_type): Add arguments
        orig_qual_type and orig_qual_indirect.

2015-12-02  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_omp_clause_name)
        (c_parser_oacc_all_clauses): Alphabetical sorting.

2015-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/68533
        * c-decl.c (get_parm_info): Use b->locus instead of input_location
        for diagnostics.

2015-12-01  Julian Brown  <julian@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <James_Norris@mentor.com>

        * c-parser.c (c_parser_omp_clause_name): Add use_device support.
        (c_parser_oacc_clause_use_device): New function.
        (c_parser_oacc_all_clauses): Add use_device support.
        (OACC_HOST_DATA_CLAUSE_MASK): New macro.
        (c_parser_oacc_host_data): New function.
        (c_parser_omp_construct): Add host_data support.
        * c-tree.h (c_finish_oacc_host_data): Add prototype.
        * c-typeck.c (c_finish_oacc_host_data): New function.
        (c_finish_omp_clauses): Add use_device support.

2015-11-29  Jan Hubicka  <hubicka@ucw.cz>

        PR c/67106
        * c-decl.c: Set TYPE_PACKED in variants.

2015-11-27  Martin Liska  <mliska@suse.cz>

        PR c++/68312
        * c-array-notation.c (fix_builtin_array_notation_fn):
        Use release_vec_vec instead of vec::release.
        (build_array_notation_expr): Likewise.
        (fix_conditional_array_notations_1): Likewise.
        (fix_array_notation_expr): Likewise.
        (fix_array_notation_call_expr): Likewise.

2015-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/63326
        * c-parser.c (c_parser_compound_statement_nostart): If
        last_label is true, use pragma_stmt instead of pragma_compound
        as second c_parser_pragma argument.
        (c_parser_omp_ordered, c_parser_omp_target_update,
        c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): Pass
        false as second argument to c_parser_skip_to_pragma_eol after
        diagnosing standalone directives used in pragma_stmt context.

2015-11-24  Ilya Verbin  <ilya.verbin@intel.com>

        * c-parser.c (c_parser_oacc_declare): Replace "ifdef ENABLE_OFFLOADING"
        with "if (ENABLE_OFFLOADING)".

2015-11-23  David Malcolm  <dmalcolm@redhat.com>

        PR objc/68438
        * c-parser.c (c_parser_postfix_expression): Set up source ranges
        for various Objective-C constructs: Class.name syntax,
        @selector(), @protocol(), @encode(), and [] message syntax.

2015-11-20  David Malcolm  <dmalcolm@redhat.com>

        PR 62314
        * c-typeck.c (should_suggest_deref_p): New function.
        (build_component_ref): Special-case POINTER_TYPE when
        generating a "not a structure of union"  error message, and
        suggest a "->" rather than a ".", providing a fix-it hint.

2015-11-19  David Malcolm  <dmalcolm@redhat.com>

        * c-typeck.c (lookup_field_fuzzy): Move determination of closest
        candidate into a new function, find_closest_identifier.

2015-11-19  Marek Polacek  <polacek@redhat.com>

        PR c/68412
        * c-typeck.c (parser_build_binary_op): Properly handle
        C_MAYBE_CONST_EXPR before calling warn_tautological_cmp.

2015-11-17  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (set_c_expr_source_range): Bulletproof both
        overloaded implementations against NULL expr->value.
        (c_parser_braced_init): Set src_range for "ret" to a sane pair of
        values.
        (c_parser_unary_expression): Likewise when handling addresses of
        labels.
        (c_parser_postfix_expression): Likewise for statement expressions,
        for __FUNCTION__, __PRETTY_FUNCTION_ and __func__ keywords, for
        __builtin_va_arg, and for __builtin_offset_of.
        (c_parser_postfix_expression_after_paren_type): Initialize expr's
        src_range using the range of the braced initializer.
        (c_parser_transaction_expression): Set src_range for "ret" to a
        sane pair of values.

2015-11-16  Kirill Yukhin  <kirill.yukhin@intel.com>

        * c-parser.c (c_finish_omp_declare_simd): Look for
        "simd" attribute as well. Update error message.

2015-11-14  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

        * c-parser.c (c_parser_omp_declare_target): Adjust.

2015-11-14  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (c_finish_omp_clauses): Don't mark
        GOMP_MAP_FIRSTPRIVATE_POINTER decls addressable.

2015-11-14  Marek Polacek  <polacek@redhat.com>

        * c-decl.c: Use RECORD_OR_UNION_TYPE_P throughout.
        * c-typeck.c: Likewise.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (warn_defaults_to): Pass line_table to
        rich_location ctor.
        * c-errors.c (pedwarn_c99): Likewise.
        (pedwarn_c90): Likewise.
        * c-parser.c (set_c_expr_source_range): New functions.
        (c_token::get_range): New method.
        (c_token::get_finish): New method.
        (c_parser_expr_no_commas): Call set_c_expr_source_range on the ret
        based on the range from the start of the LHS to the end of the
        RHS.
        (c_parser_conditional_expression): Likewise, based on the range
        from the start of the cond.value to the end of exp2.value.
        (c_parser_binary_expression): Call set_c_expr_source_range on
        the stack values for TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
        (c_parser_cast_expression): Call set_c_expr_source_range on ret
        based on the cast_loc through to the end of the expr.
        (c_parser_unary_expression): Likewise, based on the
        op_loc through to the end of op.
        (c_parser_sizeof_expression) Likewise, based on the start of the
        sizeof token through to either the closing paren or the end of
        expr.
        (c_parser_postfix_expression): Likewise, using the token range,
        or from the open paren through to the close paren for
        parenthesized expressions.
        (c_parser_postfix_expression_after_primary): Likewise, for
        various kinds of expression.
        * c-tree.h (struct c_expr): Add field "src_range".
        (c_expr::get_start): New method.
        (c_expr::get_finish): New method.
        (set_c_expr_source_range): New decls.
        * c-typeck.c (parser_build_unary_op): Call set_c_expr_source_range
        on ret for prefix unary ops.
        (parser_build_binary_op): Likewise, running from the start of
        arg1.value through to the end of arg2.value.

2015-11-13  Marek Polacek  <polacek@redhat.com>

        PR c/68320
        * c-parser.c (c_parser_for_statement): Treat unknown tokens as IDs.

2015-11-13  David Malcolm  <dmalcolm@redhat.com>

        * c-typeck.c: Include spellcheck.h.
        (lookup_field_fuzzy_find_candidates): New function.
        (lookup_field_fuzzy): New function.
        (build_component_ref): If the field was not found, try using
        lookup_field_fuzzy and potentially offer a suggestion.

2015-11-12  James Norris  <jnorris@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * c-parser.c (c_parser_pragma): Handle PRAGMA_OACC_DECLARE.
        (c_parser_omp_clause_name): Handle 'device_resident' clause.
        (c_parser_oacc_data_clause): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT
        and PRAGMA_OMP_CLAUSE_LINK.
        (c_parser_oacc_all_clauses): Handle PRAGMA_OACC_CLAUSE_DEVICE_RESIDENT
        and PRAGMA_OACC_CLAUSE_LINK.
        (OACC_DECLARE_CLAUSE_MASK): New definition.
        (c_parser_oacc_declare): New function.

2015-11-12  Marek Polacek  <polacek@redhat.com>

        PR c/67784
        * c-parser.c (c_parser_for_statement): Reclassify the token in
        a correct scope.

2015-11-11  Marek Polacek  <polacek@redhat.com>

        PR c/68107
        PR c++/68266
        * c-decl.c (grokdeclarator): Call valid_array_size_p.  Remove code
        checking the size of an array.

2015-11-11  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Remove unused header files.
        * c-aux-info.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-lang.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.
        * gccspec.c: Likewise.

2015-11-09  Thomas Schwinge  <thomas@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        c/
        * c-parser.c (c_parser_declaration_or_fndef): Add OpenACC
        routine arg.
        (c_parser_declaration_or_fndef): Call c_finish_oacc_routine.
        (c_parser_pragma): Parse 'acc routine'.
        (OACC_ROUTINE_CLAUSE_MARK): Define.
        (c_parser_oacc_routine, (c_finish_oacc_routine): New.

2015-11-09  Andreas Arnez  <arnez@linux.vnet.ibm.com>

        PR debug/67192
        * c-typeck.c (c_finish_loop): For unconditional loops, set the
        location of the backward-goto to the start of the loop body.

2015-11-09  Andreas Arnez  <arnez@linux.vnet.ibm.com>

        PR debug/67192
        * c-parser.c (c_parser_while_statement): Finish the loop before
        parsing ahead for misleading indentation.
        (c_parser_for_statement): Likewise.

2015-11-08  Eric Botcazou  <ebotcazou@adacore.com>

        * c-decl.c (finish_struct): If the structure has reverse storage
        order, rewrite the type of array fields with scalar component.  Call
        maybe_apply_pragma_scalar_storage_order on entry.
        * c-typeck.c (build_unary_op) <ADDR_EXPR>: Remove left-overs.  Issue
        errors on bit-fields and reverse SSO here and not...
        (c_mark_addressable): ...here.
        (output_init_element): Adjust call to initializer_constant_valid_p.
        (c_build_qualified_type): Propagate TYPE_REVERSE_STORAGE_ORDER.

2015-11-06  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (warn_defaults_to): Update for change in signature
        of diagnostic_set_info.
        * c-errors.c (pedwarn_c99): Likewise.
        (pedwarn_c90): Likewise.
        * c-objc-common.c (c_tree_printer): Update for new "caret_p" param
        for textinfo::set_location.

2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>

        * c-parser.c (c_parser_omp_clause_name): Add support for
        PRAGMA_OACC_CLAUSE_INDEPENDENT and PRAGMA_OACC_CLAUSE_TILE.
        (c_parser_omp_clause_default): Add is_oacc argument. Handle
        default(none) in OpenACC.
        (c_parser_oacc_shape_clause): Allow pointer variables as gang static
        arguments.
        (c_parser_oacc_clause_tile): New function.
        (c_parser_oacc_all_clauses): Add support for OMP_CLAUSE_DEFAULT,
        OMP_CLAUSE_INDEPENDENT and OMP_CLAUSE_TILE.
        (OACC_LOOP_CLAUSE_MASK): Add PRAGMA_OACC_CLAUSE_{PRIVATE,INDEPENDENT,
        TILE}.
        (OACC_KERNELS_MASK): Add PRAGMA_OACC_CLAUSE_DEFAULT.
        (OACC_PARALLEL_MASK): Add PRAGMA_OACC_CLAUSE_{DEFAULT,PRIVATE,
        FIRSTPRIVATE}.
        (c_parser_omp_all_clauses): Update call to c_parser_omp_clause_default.
        (c_parser_oacc_update): Update the error message for missing clauses.
        * c-typeck.c (c_finish_omp_clauses): Add support for OMP_CLAUSE_TILE
        and OMP_CLAUSE_INDEPENDENT.

2015-11-05  Marek Polacek  <polacek@redhat.com>

        PR c/68090
        * c-parser.c (c_parser_postfix_expression_after_paren_type): Don't
        deal with pre-evaluation on invalid types.

2015-11-05  Jakub Jelinek  <jakub@redhat.com>
            Ilya Verbin  <ilya.verbin@intel.com>

        * c-parser.c: Include context.h and gimple-expr.h.
        (c_parser_omp_clause_schedule): Parse schedule modifiers, diagnose
        monotonic together with nonmonotonic.
        (c_parser_omp_for_loop): Call c_omp_check_loop_iv.  Call add_stmt here.
        (OMP_DISTRIBUTE_CLAUSE_MASK): Add lastprivate clause.
        (c_parser_omp_target_data, c_parser_omp_target_enter_data,
        c_parser_omp_target_exit_data): Allow GOMP_MAP_ALWAYS_POINTER.
        (c_parser_omp_target): Likewise.  Evaluate num_teams and thread_limit
        expressions on combined target teams before the target.
        (c_parser_omp_declare_target): If decl has "omp declare target" or
        "omp declare target link" attribute, and cgraph or varpool node already
        exists, then set corresponding flags.  Call c_finish_omp_clauses
        in the parenthesized extended-list syntax case.
        * c-decl.c (c_decl_attributes): Don't diagnose block scope vars inside
        declare target.
        * c-typeck.c (handle_omp_array_sections_1): Allow non-zero low-bound
        on OMP_CLAUSE_REDUCTION array sections.
        (handle_omp_array_sections): Encode low-bound into the MEM_REF, either
        into the constant offset, or for variable low-bound using
        POINTER_PLUS_EXPR.  For structure element based array sections use
        GOMP_MAP_ALWAYS_POINTER instead of GOMP_MAP_FIRSTPRIVATE_POINTER.
        (c_finish_omp_clauses): Drop generic_field_head, structure
        elements are now always mapped even as array section bases,
        diagnose same var in data sharing and mapping clauses.  Diagnose if
        linear step on declare simd is neither a constant nor a uniform
        parameter.  Look through POINTER_PLUS_EXPR for array section
        reductions.  Diagnose the same var or function appearing multiple
        times on the same directive.  Fix up wording for the to clause if t
        is neither a FUNCTION_DECL nor a VAR_DECL.  Diagnose nonmonotonic
        modifier on kinds other than dynamic or guided or nonmonotonic
        modifier together with ordered clause.

2015-11-03  Thomas Schwinge  <thomas@codesourcery.com>
            Chung-Lin Tang  <cltang@codesourcery.com>

        * c-parser.c (c_parser_omp_construct): Handle PRAGMA_OACC_ATOMIC.

2015-10-29  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Reorder #include's and remove duplicates.
        * c-aux-info.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-lang.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-10-26  Jim Wilson  <jim.wilson@linaro.org>

        PR debug/66068
        * c-typeck.c (c_build_qualified_type): Clear C_TYPE_INCOMPLETE_VARS
        after calling build_qualified_type.

2015-10-27  Cesar Philippidis  <cesar@codesourcery.com>
            Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Bernd Schmidt  <bschmidt@redhat.com>

        * c-parser.c (c_parser_oacc_shape_clause): New.
        (c_parser_oacc_simple_clause): New.
        (c_parser_oacc_all_clauses): Add auto, gang, seq, vector, worker.
        (OACC_LOOP_CLAUSE_MASK): Add gang, worker, vector, auto, seq.

2015-10-27  Thomas Schwinge  <thomas@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>

        PR c/64765
        PR c/64880
        * c-parser.c (c_parser_oacc_loop): Add mask, cclauses formal
        parameters, and handle these.  Adjust all users.
        (c_parser_oacc_kernels, c_parser_oacc_parallel): Merge functions
        into...
        (c_parser_oacc_kernels_parallel): ... this new function.  Adjust
        all users.
        * c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels): Don't
        declare functions.
        (c_finish_omp_construct): Declare function.
        * c-typeck.c (c_finish_oacc_parallel, c_finish_oacc_kernels):
        Merge functions into...
        (c_finish_omp_construct): ... this new function.

2015-10-22  Richard Biener  <rguenther@suse.de>

        * c-typeck.c (c_finish_omp_clauses): Properly convert operands
        before folding a MINUS_EXPR.

2015-10-21  Marek Polacek  <polacek@redhat.com>

        PR c/68024
        * c-decl.c (start_function): Warn about vararg functions without
        a prototype.

2015-10-21  Ilya Enkovich  <enkovich.gnu@gmail.com>

        * c-typeck.c (build_conditional_expr): Use boolean vector
        type for vector comparison.
        (build_vec_cmp): New.
        (build_binary_op): Use build_vec_cmp for comparison.

2015-10-20  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (is_cilkplus_vector_p): Don't define here.

2015-10-20  Marek Polacek  <polacek@redhat.com>

        PR c/67964
        * c-parser.c (c_parser_attributes): Break out of the loop if the
        token after an attribute isn't a comma.

2015-10-13  Jakub Jelinek  <jakub@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * c-parser.c (c_parser_pragma): Handle PRAGMA_OMP_ORDERED here.
        (c_parser_omp_clause_name): Handle OpenMP 4.5 clauses.
        (c_parser_omp_variable_list): Handle structure elements for
        map, to and from clauses.  Handle array sections in reduction
        clause.  Formatting fixes.
        (c_parser_omp_clause_if): Add IS_OMP argument, handle parsing of
        if clause modifiers.
        (c_parser_omp_clause_num_tasks, c_parser_omp_clause_grainsize,
        c_parser_omp_clause_priority, c_parser_omp_clause_hint,
        c_parser_omp_clause_defaultmap, c_parser_omp_clause_use_device_ptr,
        c_parser_omp_clause_is_device_ptr): New functions.
        (c_parser_omp_clause_ordered): Parse optional parameter.
        (c_parser_omp_clause_reduction): Handle array reductions.
        (c_parser_omp_clause_schedule): Parse optional simd modifier.
        (c_parser_omp_clause_nogroup, c_parser_omp_clause_orderedkind): New
        functions.
        (c_parser_omp_clause_linear): Parse linear clause modifiers.
        (c_parser_omp_clause_depend_sink): New function.
        (c_parser_omp_clause_depend): Parse source/sink depend kinds.
        (c_parser_omp_clause_map): Parse release/delete map kinds and
        optional always modifier.
        (c_parser_oacc_all_clauses): Adjust c_parser_omp_clause_if
        and c_finish_omp_clauses callers.
        (c_parser_omp_all_clauses): Likewise.  Parse OpenMP 4.5 clauses.
        Parse "to" as OMP_CLAUSE_TO_DECLARE if on declare target directive.
        (c_parser_oacc_cache): Adjust c_finish_omp_clauses caller.
        (OMP_CRITICAL_CLAUSE_MASK): Define.
        (c_parser_omp_critical): Parse critical clauses.
        (c_parser_omp_for_loop): Handle doacross loops, adjust
        c_finish_omp_for and c_finish_omp_clauses callers.
        (OMP_SIMD_CLAUSE_MASK): Add simdlen clause.
        (c_parser_omp_simd): Allow ordered clause if it has no parameter.
        (OMP_FOR_CLAUSE_MASK): Add linear clause.
        (c_parser_omp_for): Disallow ordered clause when combined with
        distribute.  Disallow linear clause when combined with distribute
        and not combined with simd.
        (OMP_ORDERED_CLAUSE_MASK, OMP_ORDERED_DEPEND_CLAUSE_MASK): Define.
        (c_parser_omp_ordered): Add CONTEXT argument, remove LOC argument,
        parse clauses and if depend clause is found, don't parse a body.
        (c_parser_omp_parallel): Disallow copyin clause on target parallel.
        Allow target parallel without for after it.
        (OMP_TASK_CLAUSE_MASK): Add priority clause.
        (OMP_TARGET_DATA_CLAUSE_MASK): Add use_device_ptr clause.
        (c_parser_omp_target_data): Diagnose no map clauses or clauses with
        invalid kinds.
        (OMP_TARGET_UPDATE_CLAUSE_MASK): Add depend and nowait clauses.
        (OMP_TARGET_ENTER_DATA_CLAUSE_MASK,
        OMP_TARGET_EXIT_DATA_CLAUSE_MASK): Define.
        (c_parser_omp_target_enter_data, c_parser_omp_target_exit_data): New
        functions.
        (OMP_TARGET_CLAUSE_MASK): Add depend, nowait, private, firstprivate,
        defaultmap and is_device_ptr clauses.
        (c_parser_omp_target): Parse target parallel and target simd.  Set
        OMP_TARGET_COMBINED on combined constructs.  Parse target enter data
        and target exit data.  Diagnose invalid map kinds.
        (OMP_DECLARE_TARGET_CLAUSE_MASK): Define.
        (c_parser_omp_declare_target): Parse OpenMP 4.5 forms of this
        construct.
        (c_parser_omp_declare_reduction): Use STRIP_NOPS when checking for
        &omp_priv.
        (OMP_TASKLOOP_CLAUSE_MASK): Define.
        (c_parser_omp_taskloop): New function.
        (c_parser_omp_construct): Don't handle PRAGMA_OMP_ORDERED here,
        handle PRAGMA_OMP_TASKLOOP.
        (c_parser_cilk_for): Adjust c_finish_omp_clauses callers.
        * c-tree.h (c_finish_omp_clauses): Add two new arguments.
        * c-typeck.c (handle_omp_array_sections_1): Fix comment typo.
        Add IS_OMP argument, handle structure element bases, diagnose
        bitfields, pass IS_OMP recursively, diagnose known zero length
        array sections in depend clauses, handle array sections in reduction
        clause, diagnose negative length even for pointers.
        (handle_omp_array_sections): Add IS_OMP argument, use auto_vec for
        types, pass IS_OMP down to handle_omp_array_sections_1, handle
        array sections in reduction clause, set
        OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION if map could be zero
        length array section, use GOMP_MAP_FIRSTPRIVATE_POINTER for IS_OMP.
        (c_finish_omp_clauses): Add IS_OMP and DECLARE_SIMD arguments.
        Handle new OpenMP 4.5 clauses and new restrictions for the old ones.

2015-10-06  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_statement_after_labels): Use
        protected_set_expr_location.
        (c_parser_omp_clause_num_gangs): Likewise.
        (c_parser_omp_clause_num_threads): Likewise.
        (c_parser_omp_clause_num_workers): Likewise.
        (c_parser_omp_clause_vector_length): Likewise.
        (c_parser_omp_clause_num_teams): Likewise.
        (c_parser_omp_clause_thread_limit): Likewise.
        * c-typeck.c (build_c_cast): Likewise.
        (c_cast_expr): Likewise.

2015-10-05  Richard Sandiford  <richard.sandiford@arm.com>

        * c-typeck.c (c_tree_equal): Use real_equal instead of
        REAL_VALUES_EQUAL.

2015-10-04  Jason Merrill  <jason@redhat.com>

        * c-parser.c (c_lex_one_token): Handle @synchronized.
        * c-decl.c (match_builtin_function_types): A declaration of a built-in
        can change whether the function is transaction_safe.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        PR c/67730
        * c-typeck.c (convert_for_assignment): Use the expansion point
        location throughout.

2015-10-02  Marek Polacek  <polacek@redhat.com>

        PR c/64249
        * c-parser.c (c_parser_statement_after_labels): Add CHAIN parameter
        and pass it down to c_parser_if_statement.
        (c_parser_else_body): Add CHAIN parameter and pass it down to
        c_parser_statement_after_labels.
        (c_parser_if_statement): Add CHAIN parameter.  Add code to warn about
        duplicated if-else-if conditions.

2015-10-01  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (convert_for_assignment): Improve commentary.

2015-09-30  Marek Polacek  <polacek@redhat.com>

        PR c/67730
        * c-typeck.c (c_finish_return): Use the expansion point location for
        certain "return with value" warnings.

2015-09-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-parser.c (pragma_lex): Add loc argument.

2015-09-15  Marek Polacek  <polacek@redhat.com>

        PR c/67580
        * c-decl.c (tag_exists_p): New function.
        * c-parser.c (c_parser_declaration_or_fndef): Give a hint when
        struct/union/enum keywords are missing.
        * c-tree.h (tag_exists_p): Declare.

2015-09-15  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (lookup_label): Return NULL_TREE instead of 0.
        (lookup_tag): Change the type of THISLEVEL_ONLY to bool.
        Return NULL_TREE instead of 0.
        (lookup_name): Return NULL_TREE instead of 0.
        (lookup_name_in_scope): Likewise.
        (shadow_tag_warned): Use true instead of 1 and NULL_TREE instead of 0.
        (parser_xref_tag): Use false instead of 0.
        (start_struct): Use true instead of 1.
        (start_enum): Use true instead of 1 and NULL_TREE instead of 0.

2015-09-14  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (set_nonincremental_init_from_string): Use
        HOST_WIDE_INT_M1U when shifting a negative value.

2015-09-09  Mark Wielaard  <mjw@redhat.com>

        * c-typeck.c (build_binary_op): Check and warn when nonnull arg
        parm against NULL.

2015-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/67502
        * c-parser.c (c_parser_omp_for_loop): Emit DECL_EXPR stmts
        into OMP_FOR_PRE_BODY rather than before the loop.

2015-09-09  Jakub Jelinek  <jakub@redhat.com>

        PR c/67501
        * c-parser.c (c_parser_oacc_all_clauses,
        c_parser_omp_all_clauses): Remove invalid clause from
        list of clauses even if parser->error is set.

        PR c/67500
        * c-parser.c (c_parser_omp_clause_aligned,
        c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen): Fix up
        test for errors.
        * c-decl.c (temp_pop_parm_decls): Allow b->decl equal to
        error_mark_node.

        PR c/67495
        * c-parser.c (c_parser_omp_atomic): Use c_parser_cast_expression
        instead of c_parser_unary_expression.  If the result is !lvalue_p,
        wrap the result of c_fully_fold into NON_LVALUE_EXPR.

2015-09-04  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/67279
        * c-typeck.c (build_binary_op): Don't instrument static initializers.

2015-09-03  Martin Sebor  <msebor@redhat.com>

        PR c/66516
        * c-typeck.c (convert_arguments, parser_build_unary_op,
        build_conditional_expr, c_cast_expr, convert_for_assignment,
        build_binary_op, _objc_common_truthvalue_conversion): Call
        reject_gcc_builtin.
        (c_decl_implicit): Define.

2015-09-02  Marek Polacek  <polacek@redhat.com>

        PR c/67432
        * c-parser.c (c_parser_enum_specifier): Give a better error for
        an empty enum.

2015-08-18  Trevor Saunders  <tbsaunde@tbsaunde.org>

        * c-aux-info.c, c-parser.c, c-tree.h: Remove useless typedefs.

2015-08-12  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (grokdeclarator): Call error_at instead of error and pass
        LOC to it.

2015-08-03  Marek Polacek  <polacek@redhat.com>

        PR c/67088
        * c-decl.c (check_bitfield_type_and_width): Add location parameter.
        Use it.
        (grokdeclarator): Pass LOC down to check_bitfield_type_and_width.

2015-08-02  Patrick Palka  <ppalka@gcc.gnu.org>

        * c-parser.c (c_parser_if_body): Take token_indent_info
        argument. Call warn_for_misleading_indentation even when the
        body is a semicolon.  Extract token_indent_infos corresponding
        to the guard, body and next tokens.  Adjust call to
        warn_for_misleading_indentation accordingly.
        (c_parser_else_body): Likewise.
        (c_parser_if_statement): Likewise.
        (c_parser_while_statement): Likewise.
        (c_parser_for_statement): Likewise.

2015-07-28  Luis Felipe Strano Moraes  <luis.strano@gmail.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-decl.c (get_parm_info): Remove static var. Update warning
        message.

2015-07-27  Marek Polacek  <polacek@redhat.com>

        PR c++/66555
        PR c/54979
        * c-typeck.c (parser_build_binary_op): Call warn_tautological_cmp.

2015-07-20  Marek Polacek  <polacek@redhat.com>

        PR c++/55095
        * c-typeck.c (digest_init): Pass OPT_Wpedantic to pedwarn_init.
        (build_binary_op): Warn about left shift overflows.

2015-07-09  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Adjust includes for flags.h changes.
        * c-objc-common.c: Likewise.

2015-07-07  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Adjust includes.
        * c-aux-info.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-lang.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-06-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/66605
        * c-decl.c (finish_function): Call do_warn_unused_parameter.

2015-06-29  Marek Polacek  <polacek@redhat.com>

        PR c/66322
        * c-typeck.c (struct c_switch): Add BOOL_COND_P and OUTSIDE_RANGE_P.
        (c_start_case): Set BOOL_COND_P and OUTSIDE_RANGE_P.  Don't warn
        about -Wswitch-bool here.
        (do_case): Update c_add_case_label call.
        (c_finish_case): Update c_do_switch_warnings call.

2015-06-27  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c: Use VECTOR_TYPE_P throughout.

2015-06-26  Marek Polacek  <polacek@redhat.com>

        * c-array-notation.c (fix_builtin_array_notation_fn): Use
        INDIRECT_REF_P.
        * c-typeck.c (array_to_pointer_conversion): Likewise.
        (build_unary_op): Likewise.
        (c_finish_return): Likewise.

2015-06-25  Andrew MacLeod  <amacleod@redhat.com>

        * c-decl.c: Remove ipa-ref.h and plugin-api.h from include list.
        * c-parser.c: Likewise.

2015-06-25  Richard Sandiford  <richard.sandiford@arm.com>

        * c-decl.c (detect_field_duplicates_hash): Use nofree_ptr_hash
        instead of pointer_hash.
        (detect_field_duplicates): Likewise.

2015-06-25  Marek Polacek  <polacek@redhat.com>

        * c-array-notation.c: Use VAR_P throughout.
        * c-decl.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-06-25  Marek Polacek  <polacek@redhat.com>

        * c-decl.c: Use is_global_var throughout.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-06-17  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Do not include input.h, line-map.h or is-a.h.
        * c-aux-info.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-lang.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-06-11  Jan Hubicka  <hubicka@ucw.cz>

        PR middle-end/66325
        * c-decl.c (start_enum): Set TYPE_PACKED consistently among type
        variants.

2015-06-11  Pierre-Marie de Rodat  <derodat@adacore.com>

        * c-decl.c (pop_scope): Register the main translation unit
        through the new debug hook.

2015-06-08  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c : Adjust include files.
        * c-aux-info.c : Likewise.
        * c-convert.c : Likewise.
        * c-decl.c : Likewise.
        * c-errors.c : Likewise.
        * c-lang.c : Likewise.
        * c-lang.h : Likewise.
        * c-objc-common.c : Likewise.
        * c-parser.c : Likewise.
        * c-typeck.c : Likewise.

2015-06-05  Aldy Hernandez  <aldyh@redhat.com>

        * c-decl.c (finish_struct): Save C_TYPE_INCOMPLETE_VARS and
        immediately clobber it.
        (c_write_global_declarations_1): Remove call to
        check_global_declaration_1.
        (c_write_global_declarations_2): Remove.
        (c_write_final_cleanups): Rename from c_write_global_declarations.
        Remove call to finalize_compilation_unit.
        Remove calls to debugging hooks.
        * c-objc-common.c: Adjust comment for c_warn_unused_global_decl.
        * c-objc-common.h: Remove LANG_HOOKS_WRITE_GLOBALS.
        * c-tree.h: Remove c_write_global_declarations.

2015-06-04  Andrew MacLeod  <amacleod@redhat.com>

        * c-array-notation.c: Adjust includes for restructured coretypes.h.
        * c-aux-info.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-lang.c: Likewise.
        * c-objc-common.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.

2015-06-04  Marek Polacek  <polacek@redhat.com>

        PR c/66341
        * c-typeck.c (build_c_cast): Wrap VALUE into NON_LVALUE_EXPR if
        it is a lvalue.

2015-06-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        * c-decl.c (warn_cxx_compat_finish_struct): New parameters code, record_loc.
        Warn for empty struct.
        (finish_struct): Pass TREE_CODE(t) and loc to warn_cxx_compat_finish_struct.

2015-06-02  Andres Tiraboschi  <andres.tiraboschi@tallertechnologies.com>

        * c-decl.c (start_function): Call plugin before parsing.
        (finish_function): Call plugin after parsing.

2015-06-02  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

        PR c/49551
        * c-decl.c (merge_decls): Merge DECL_COMMON.

2015-05-22  Jim Wilson  <jim.wilson@linaro.org>

        * Make-lang.in (check_gcc_pallelize): Define.

2015-05-22  Marek Polacek  <polacek@redhat.com>

        PR c/47043
        * c-parser.c (c_parser_enum_specifier): Parse and apply enumerator
        attributes.

2015-05-21  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (inform_declaration): Use DECL_IS_BUILTIN instead of
        DECL_BUILT_IN.

2015-05-20  Marek Polacek  <polacek@redhat.com>

        * c-decl.c: Use VAR_OR_FUNCTION_DECL_P throughout.
        * c-typeck.c: Likewise.

2015-05-19  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (start_init): Use AGGREGATE_TYPE_P.

2015-05-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/66199
        * c-parser.c (c_parser_omp_for_loop): Don't add
        OMP_CLAUSE_SHARED to OMP_PARALLEL_CLAUSES when moving
        OMP_CLAUSE_LASTPRIVATE clause to OMP_FOR_CLAUSES.
        (c_parser_omp_teams): Set OMP_TEAMS_COMBINED for combined
        constructs.

2015-05-19  Mikhail Maltsev  <maltsevm@gmail.com>

        * c-typeck.c (build_array_ref): Use std::swap instead of explicit
        swaps.

2015-05-16  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR fortran/44054
        * c-objc-common.c (c_tree_printer): Replace locus pointer with
        accessor function.

2015-05-14  Marek Polacek  <polacek@redhat.com>

        PR c/66066
        PR c/66127
        * c-typeck.c (digest_init): Call pedwarn_init with OPT_Wpedantic
        rather than with 0.

2015-05-12  David Malcolm  <dmalcolm@redhat.com>

        * c-parser.c (c_parser_if_body): Add param "if_loc", use it
        to add a call to warn_for_misleading_indentation.
        (c_parser_else_body): Likewise, adding param "else_loc".
        (c_parser_if_statement): Check for misleading indentation.
        (c_parser_while_statement): Likewise.
        (c_parser_for_statement): Likewise.

2015-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/64918
        * c-typeck.c (add_pending_init): Use OPT_Woverride_init_side_effects.
        (output_init_element): Likewise.

2015-05-07  Marek Polacek  <polacek@redhat.com>

        PR c/65179
        * c-typeck.c (build_binary_op): Warn when left shifting a negative
        value.

2015-04-30  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (set_init_label): Call error_at instead of error and
        pass LOC to it.

        * c-typeck.c (c_incomplete_type_error): Refactor to use %qT.  Print
        the type of a decl.

        * c-typeck.c (c_build_va_arg): Clarify the error message.

2015-04-29  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_oacc_enter_exit_data): Use
        OMP_STANDALONE_CLAUSES.

2015-04-28  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_binary_expression): Remove duplicate line.

2015-04-28  Marek Polacek  <polacek@redhat.com>

        PR c/65901
        * c-typeck.c (c_build_va_arg): Require TYPE be a complete type.

2015-04-25  Marek Polacek  <polacek@redhat.com>

        PR c/52085
        * c-decl.c (finish_enum): Copy over TYPE_ALIGN.  Also check for "mode"
        attribute.

2015-04-23  Marek Polacek  <polacek@redhat.com>

        PR c/65345
        * c-decl.c (set_labels_context_r): New function.
        (store_parm_decls): Call it via walk_tree_without_duplicates.
        * c-typeck.c (convert_lvalue_to_rvalue): Use create_tmp_var_raw
        instead of create_tmp_var.  Build TARGET_EXPR instead of
        COMPOUND_EXPR.
        (build_atomic_assign): Use create_tmp_var_raw instead of
        create_tmp_var.  Build TARGET_EXPRs instead of MODIFY_EXPR.

2015-04-20  Ilya Verbin  <ilya.verbin@intel.com>

        * c-parser.c (c_parser_oacc_enter_exit_data): Remove excess semicolon.
        (c_parser_omp_target_update): Add missed %> to error_at ().

2015-04-10  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR target/55143
        * c-decl.c (c_default_pointer_mode): Remove definition.
        * c-tree.h (c_default_pointer_mode): Remove declaration.

2015-03-27  Tobias Burnus  <burnus@net-b.de>

        PR c/65586
        * c-parser.c (c_parser_skip_to_pragma_eol): Optionally, don't
        error out.
        (c_parser_omp_for, c_parser_omp_parallel, c_parser_omp_distribute,
        c_parser_omp_teams, c_parser_omp_target, c_parser_omp_declare):
        Update calls to not error for skipped omp pragmas with -fopenmp-simd.

2015-03-19  Jakub Jelinek  <jakub@redhat.com>

        * c-decl.c (c_decl_attributes): Also add "omp declare target"
        attribute for DECL_EXTERNAL VAR_DECLs.

2015-03-11  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (c_parse_init): Don't call xstrdup on get_identifier
        argument.

2015-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/65120
        * c-typeck.c (parser_build_binary_op): Check for tcc_comparison
        before preparing arguments to warn_logical_not_parentheses.

2015-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR c/65120
        * c-typeck.c (parser_build_binary_op): Don't warn for
        !!x == y or !b == y where b is _Bool.

2015-03-09  Marek Polacek  <polacek@redhat.com>

        * c-convert.c (convert): Make use of do_ubsan_in_current_function.
        * c-decl.c (grokdeclarator): Likewise.
        * c-typeck.c (build_binary_op): Likewise.

2015-02-27  Marek Polacek  <polacek@redhat.com>

        PR c/65228
        * c-decl.c (start_decl): Return NULL_TREE if decl is an error node.

2015-02-14  Marek Polacek  <polacek@redhat.com>

        PR c/64768
        * c-decl.c (grokdeclarator): Set the range of a flexible array member
        declared through a typedef name.

2015-02-13  Marek Polacek  <polacek@redhat.com>

        PR c/65050
        * c-decl.c (grokdeclarator): Print also the type when giving
        the error message about array's incomplete element type.

2015-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/64824
        * c-parser.c (c_parser_binary_expression): Fix OpenMP stack[sp].prec
        check in the POP macro.

2015-02-09  Marek Polacek  <polacek@redhat.com>

        PR c/64856
        * c-typeck.c (process_init_element): Don't always wrap
        COMPOUND_LITERAL_EXPR in a SAVE_EXPR in C99 mode when
        initializing a range of elements.

2015-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/64824
        PR c/64868
        * c-parser.c (c_parser_omp_atomic): Handle RDIV_EXPR.

2015-02-02  Bruno Loff  <bruno.loff@gmail.com>

        * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks after
        processing enum declaration.

2015-01-29  Marek Polacek  <polacek@redhat.com>

        PR c/64709
        * c-typeck.c (pop_init_level): If constructor_elements has
        exactly one element with integer_zerop value, set constructor_zeroinit
        to 1.  Remove braces around warning_init call.

2015-01-27  Jakub Jelinek  <jakub@redhat.com>

        PR c/64766
        * c-typeck.c (store_init_value): Don't overwrite DECL_INITIAL
        of FUNCTION_DECLs with error_mark_node.

2015-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/64778
        * c-typeck.c (convert_arguments): Return -1 if there are
        error_args, even if we've diagnosed too many arguments.

2015-01-21  Richard Biener  <rguenther@suse.de>

        PR middle-end/64313
        * c-decl.c (merge_decls): Call set_builtin_decl_declared_p
        for builtins the user declared correctly.

2015-01-15  Thomas Schwinge  <thomas@codesourcery.com>
            Bernd Schmidt  <bernds@codesourcery.com>
            Cesar Philippidis  <cesar@codesourcery.com>
            James Norris  <jnorris@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>
            Ilmir Usmanov  <i.usmanov@samsung.com>

        * c-parser.c: Include "gomp-constants.h".
        (c_parser_omp_clause_map): Use enum gomp_map_kind instead of enum
        omp_clause_map_kind.  Use GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.
        Use OMP_CLAUSE_SET_MAP_KIND.
        (c_parser_pragma): Handle PRAGMA_OACC_ENTER_DATA,
        PRAGMA_OACC_EXIT_DATA, PRAGMA_OACC_UPDATE.
        (c_parser_omp_construct): Handle PRAGMA_OACC_CACHE,
        PRAGMA_OACC_DATA, PRAGMA_OACC_KERNELS, PRAGMA_OACC_LOOP,
        PRAGMA_OACC_PARALLEL, PRAGMA_OACC_WAIT.
        (c_parser_omp_clause_name): Handle "auto", "async", "copy",
        "copyout", "create", "delete", "deviceptr", "gang", "host",
        "num_gangs", "num_workers", "present", "present_or_copy", "pcopy",
        "present_or_copyin", "pcopyin", "present_or_copyout", "pcopyout",
        "present_or_create", "pcreate", "seq", "self", "vector",
        "vector_length", "wait", "worker".
        (OACC_DATA_CLAUSE_MASK, OACC_KERNELS_CLAUSE_MASK)
        (OACC_ENTER_DATA_CLAUSE_MASK, OACC_EXIT_DATA_CLAUSE_MASK)
        (OACC_LOOP_CLAUSE_MASK, OACC_PARALLEL_CLAUSE_MASK)
        (OACC_UPDATE_CLAUSE_MASK, OACC_WAIT_CLAUSE_MASK): New macros.
        (c_parser_omp_variable_list): Handle OMP_CLAUSE__CACHE_.
        (c_parser_oacc_wait_list, c_parser_oacc_data_clause)
        (c_parser_oacc_data_clause_deviceptr)
        (c_parser_omp_clause_num_gangs, c_parser_omp_clause_num_workers)
        (c_parser_oacc_clause_async, c_parser_oacc_clause_wait)
        (c_parser_omp_clause_vector_length, c_parser_oacc_all_clauses)
        (c_parser_oacc_cache, c_parser_oacc_data, c_parser_oacc_kernels)
        (c_parser_oacc_enter_exit_data, c_parser_oacc_loop)
        (c_parser_oacc_parallel, c_parser_oacc_update)
        (c_parser_oacc_wait): New functions.
        * c-tree.h (c_finish_oacc_parallel, c_finish_oacc_kernels)
        (c_finish_oacc_data): New prototypes.
        * c-typeck.c: Include "gomp-constants.h".
        (handle_omp_array_sections): Handle GOMP_MAP_FORCE_DEVICEPTR.  Use
        GOMP_MAP_* instead of OMP_CLAUSE_MAP_*.  Use
        OMP_CLAUSE_SET_MAP_KIND.
        (c_finish_oacc_parallel, c_finish_oacc_kernels)
        (c_finish_oacc_data): New functions.
        (c_finish_omp_clauses): Handle OMP_CLAUSE__CACHE_,
        OMP_CLAUSE_NUM_GANGS, OMP_CLAUSE_NUM_WORKERS,
        OMP_CLAUSE_VECTOR_LENGTH, OMP_CLAUSE_ASYNC, OMP_CLAUSE_WAIT,
        OMP_CLAUSE_AUTO, OMP_CLAUSE_SEQ, OMP_CLAUSE_GANG,
        OMP_CLAUSE_WORKER, OMP_CLAUSE_VECTOR, and OMP_CLAUSE_MAP's
        GOMP_MAP_FORCE_DEVICEPTR.

2015-01-09  Michael Collison  <michael.collison@linaro.org>

        * c-array-notation.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, and inchash.h due to flattening of tree.h.
        * c-aux-info.c: Ditto.
        * c-convert.c: Ditto.
        * c-decl.c: Ditto.
        * c-errors.c: Ditto.
        * c-lang.c: Dittoxs.
        * c-objc-common.c: Ditto.
        * c-parser.c: Ditto.
        * c-typeck.c: Include hash-set.h, machmode.h,
        vec.h, double-int.h, input.h, alias.h, symtab.h, options.h
        fold-const.h, wide-int.h, inchash.h, real.h and
        fixed-value.h due to flattening of tree.h.

2015-01-07  Marek Polacek  <polacek@redhat.com>

        PR c/64417
        * c-typeck.c (process_init_element): Disallow initialization of
        a flexible array member with a string constant if the structure
        is in an array.

2015-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/64344
        * c-typeck.c (convert_for_assignment, c_finish_return): For
        -fsanitize=float-cast-overflow casts from REAL_TYPE to integer/enum
        types also set in_late_binary_op around convert call.
        * c-convert.c (convert): For -fsanitize=float-cast-overflow REAL_TYPE
        to integral type casts, if not in_late_binary_op, pass c_fully_fold
        result on expr as last argument to ubsan_instrument_float_cast,
        if in_late_binary_op, don't use c_save_expr but save_expr.

        Update copyright years.

2015-01-05  Marek Polacek  <polacek@redhat.com>

        PR c/64423
        * c-typeck.c (build_array_ref): Pass loc down to
        warn_array_subscript_with_type_char.

2014-12-20  Martin Uecker <uecker@eecs.berkeley.edu>

        * c-typeck.c: New behavious for pointers to arrays with qualifiers
        (common-pointer-type): For pointers to arrays take qualifiers from
        element type.
        (build_conditional_expr): Add warnings for lost qualifiers.
        (comp-target-types): Allow pointers to arrays with different qualifiers.
        (convert-for-assignment): Adapt warnings for discarded qualifiers. Add
        WARNING_FOR_QUALIFIERS macro and rename WARN_FOR_QUALIFIERS
        to PEDWARN_FOR_QUALIFIERS.

2014-12-17  Jakub Jelinek  <jakub@redhat.com>

        PR sanitizer/64289
        * c-convert.c: Include ubsan.h.
        (convert): For real -> integral casts and
        -fsanitize=float-cast-overflow don't call convert_to_integer, but
        instead instrument the float cast directly.

2014-11-29  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (convert_lvalue_to_rvalue, build_atomic_assign,
        c_finish_stmt_expr): Remove NULL last argument from
        create_tmp_var_raw and create_tmp_var calls.
        * c-array-notation.c (fix_builtin_array_notation_fn,
        build_array_notation_expr, fix_conditional_array_notations_1,
        fix_array_notation_expr, fix_array_notation_call_expr): Likewise.

2014-11-28  Marek Polacek  <polacek@redhat.com>

        PR c/63862
        * c-typeck.c (build_binary_op) <RSHIFT_EXPR, LSHIFT_EXPR>: Don't
        convert the right operand to integer type.

2014-11-25  Marek Polacek  <polacek@redhat.com>

        PR c/63877
        * c-decl.c (start_function): Disable -Wmissing-declarations warning
        for inline functions.

2014-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/63764
        * c-typeck.c (build_array_ref): Adjust
        convert_vector_to_pointer_for_subscript caller.  If it returns true,
        call non_lvalue_loc on the result.

2014-11-11  Richard Biener  <rguenther@suse.de>

        * c-decl.c (c_init_decl_processing): Do not set pedantic_lvalues
        to true.

2014-11-10  Andi Kleen  <ak@linux.intel.com>

        PR c/60804
        * c-parser.c (c_parser_statement_after_labels): Call
        check_no_cilk.
        (c_parser_if_statement): Dito.
        (c_parser_switch_statement): Dito.
        (c_parser_while_statement): Dito.
        (c_parser_do_statement): Dito.
        (c_parser_for_statement): Dito.
        * c-typeck.c (c_finish_loop): Dito.

2014-11-10  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-typeck.c (build_binary_op): Use OPT_Wshift_count_negative and
        OPT_Wshift_count_overflow in the warnings.

2014-10-30  Marek Polacek  <polacek@redhat.com>

        * c-objc-common.c (c_tree_printer) <case 'T'>: For a typedef name,
        print the stripped version as well, if they're not the same.

2014-10-29  Richard Sandiford  <richard.sandiford@arm.com>

        * c-decl.c, c-tree.h, c-typeck.c: Remove redundant enum from
        machine_mode.

2014-10-28  Andrew MacLeod  <amacleod@redhat.com>

        * c-decl.c: Adjust include files.
        * c-parser.c: Ditto.

2014-10-27  Phil Muldoon  <pmuldoon@redhat.com>
            Tom Tromey  <tromey@redhat.com>

        * c-tree.h (enum c_oracle_request): New.
        (c_binding_oracle_function): New typedef.
        (c_binding_oracle, c_pushtag, c_bind): Declare.
        * c-decl.c (c_binding_oracle): New global.
        (I_SYMBOL_CHECKED): New macro.
        (i_symbol_binding): New function.
        (I_SYMBOL_BINDING, I_SYMBOL_DECL): Redefine.
        (I_TAG_CHECKED): New macro.
        (i_tag_binding): New function.
        (I_TAG_BINDING, I_TAG_DECL): Redefine.
        (I_LABEL_CHECKED): New macro.
        (i_label_binding): New function.
        (I_LABEL_BINDING, I_LABEL_DECL): Redefine.
        (c_print_identifier): Save and restore c_binding_oracle.
        (c_pushtag, c_bind): New functions.

2014-10-27  Andrew MacLeod  <amacleod@redhat.com>

        * c-typeck.c: Adjust include files.

2014-10-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/53061
        * c-objc-common.c (c_objc_common_init): Do not do diagnostics
        initialization here...
        (c_initialize_diagnostics): ... but here. Set defaults after
        building pretty-printer.

2014-10-23  Marek Polacek  <polacek@redhat.com>

        PR c/63626
        * c-decl.c (pop_scope): Don't print warning in external_scope.

2014-10-19  Marek Polacek  <polacek@redhat.com>

        PR c/63567
        * c-typeck.c (output_init_element): Allow initializing objects with
        static storage duration with compound literals even in C99 and add
        pedwarn for it.

2014-10-17  Marek Polacek  <polacek@redhat.com>

        PR c/63567
        * c-typeck.c (digest_init): Allow initializing objects with static
        storage duration with compound literals even in C99 and add pedwarn
        for it.

2014-10-17  Marek Polacek  <polacek@redhat.com>

        PR c/63543
        * c-tree.h (C_TYPE_ERROR_REPORTED): Define.
        * c-typeck.c (build_indirect_ref): Don't print the "dereferencing..."
        error multiple times.  Print the type.

2014-10-17  Marek Polacek  <polacek@redhat.com>

        PR c/63549
        * c-typeck.c (build_array_ref): Bail if the index in an incomplete
        type.

2014-10-17  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (grokdeclarator): Use OPT_Wimplicit_int unconditionally.
        (start_function): Use OPT_Wimplicit_int instead of 0.
        (store_parm_decls_oldstyle): Likewise.

2014-10-17  Alan Modra  <amodra@gmail.com>

        PR middle-end/61848
        * c-decl.c (merge_decls): Don't merge section name or tls model
        to newdecl symtab node, instead merge to olddecl.  Override
        existing olddecl section name.  Set tls_model for all thread-local
        vars, not just OMP thread-private ones.  Remove incorrect comment.

2014-10-16  Andrew MacLeod  <amacleod@redhat.com>

        * c-decl.c: Adjust include files.

2014-10-14  DJ Delorie  <dj@redhat.com>

        * c-parser.c (c_parse_init): Add RID entries for each __intN.
        (c_token_starts_typename): Check all __intN, not just __int128.
        (c_token_starts_declspecs): Likewise.
        (c_parser_declspecs): Likewise.
        (c_parser_attribute_any_word): Likewise.
        (c_parser_objc_selector): Likewise.
        * c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
        (struct c_declspecs): Add int_n_idx field to record *which* __intN
        is specified.
        * c-decl.c (declspecs_add_type): Check for all __intN, not just
        __int128.
        (finish_declspecs): Likewise.

2014-10-13  Anthony Brandon  <anthony.brandon@gmail.com>

        * c-parser.c (c_parser_all_labels): New function to replace
        the duplicate code.
        (c_parser_statement): Call the new function.

2014-10-09  Marek Polacek  <polacek@redhat.com>

        PR c/63480
        * c-typeck.c (pop_init_level): Don't warn about initializing
        with { }.

2014-10-07  Marek Polacek  <polacek@redhat.com>

        PR c/59717
        * c-decl.c (header_for_builtin_fn): New function.
        (implicitly_declare): Suggest which header to include.

2014-10-07  Marek Polacek  <polacek@redhat.com>

        * c-convert.c (convert): Use error_operand_p.
        * c-typeck.c (require_complete_type): Likewise.
        (really_atomic_lvalue): Likewise.
        (digest_init): Likewise.
        (handle_omp_array_sections_1): Likewise.

2014-10-03  Marek Polacek  <polacek@redhat.com>

        PR c/63453
        * c-decl.c (pop_scope): Don't warn about "inline function declared
        but never defined" for functions marked with gnu_inline attribute.

2014-09-25  Jakub Jelinek  <jakub@redhat.com>

        PR c++/63249
        * c-parser.c (c_parser_omp_variable_list): Call mark_exp_read
        on low_bound and length.

2014-09-24  Marek Polacek  <polacek@redhat.com>

        PR c/61405
        PR c/53874
        * c-parser.c: Don't define CPP_KEYWORD.
        (c_parser_switch_statement): Pass original type to c_finish_case.
        * c-tree.h (c_finish_case): Update declaration.
        * c-typeck.c (c_finish_case): Add TYPE parameter.  Pass it
        conditionally to c_do_switch_warnings.

2014-09-03  Marek Polacek  <polacek@redhat.com>

        PR c/62024
        * c-parser.c (c_parser_static_assert_declaration_no_semi): Strip no-op
        conversions.

2014-09-02  Jakub Jelinek  <jakub@redhat.com>
            Balaji V. Iyer  <balaji.v.iyer@intel.com>
            Igor Zamyatin  <igor.zamyatin@intel.com>

        * c-parser.c (c_parser_cilk_for): New function.
        (c_parser_cilk_grainsize): Likewise.
        (c_get_temp_regvar): Likewise.
        (c_parser_statement_after_labels): Added RID_CILK_FOR case.
        (c_parser_pragma): Added PRAGMA_CILK_GRAINSIZE case.
        (c_parser_omp_for_loop): Added CILK_FOR and CILK_SIMD checks.
        * c-typeck.c (c_finish_omp_clauses): Added OMP_CLAUSE__CILK_FOR_COUNT_
        case.

2014-08-27  Chen Gang  <gang.chen.5i5j@gmail.com>

        * c-aux-info.c (gen_type): Resize 'buff' from 10 to 23 bytes,
        with using HOST_WIDE_INT without truncation to 'int'

2014-08-22  Marek Polacek  <polacek@redhat.com>

        PR c++/62199
        * c-typeck.c (parser_build_binary_op): Adjust call to
        warn_logical_not_parentheses.

2014-08-22  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR other/62008
        * c-parser.c (c_parser_array_notation): Check for correct
        type of an array added.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        PR c++/62153
        * c-typeck.c (build_binary_op): If either operand of a comparison
        is a boolean expression, call maybe_warn_bool_compare.

2014-08-19  Patrick Palka  <ppalka@gcc.gnu.org>

        PR c/45584
        * c-typeck.c (build_c_cast): Do a conversion even when the
        TYPE_MAIN_VARIANTs are the same.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (diagnose_mismatched_decls): Unconditionally call
        pedwarn_c99 instead of pedwarn.
        (grokfield): Likewise.
        (warn_defaults_to): New function.
        (grokdeclarator): Call warn_defaults_to instead of pedwarn_c99.
        Unconditionally call pedwarn_c99 instead of pedwarn.
        (start_function): Call warn_defaults_to instead of pedwarn_c99.
        (declspecs_add_scspec): Call pedwarn_c99 instead of pedwarn, don't
        check flag_isoc11 before.
        * c-errors.c (pedwarn_c99): Change the return type to bool.
        Handle -Wc99-c11-compat.
        * c-parser.c (disable_extension_diagnostics): Handle
        warn_c99_c11_compat.
        (restore_extension_diagnostics): Likewise.
        (c_parser_static_assert_declaration_no_semi): Call pedwarn_c99
        instead of pedwarn, don't check flag_isoc11 before.
        (c_parser_declspecs): Likewise.
        (c_parser_alignas_specifier): Likewise.
        (c_parser_alignof_expression): Likewise.
        (c_parser_generic_selection): Likewise.
        * c-tree.h (pedwarn_c99): Update declaration.
        * c-typeck.c (c_finish_return): Call pedwarn or warning_at instead
        of pedwarn_c99.

2014-08-19  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (warn_variable_length_array): Pass OPT_Wvla unconditionally
        to pedwarn_c90.
        * c-errors.c: Include "opts.h".
        (pedwarn_c90): Rewrite to handle -Wno-c90-c99-compat better.
        * c-parser.c (disable_extension_diagnostics): Handle negative value
        of warn_c90_c99_compat, too.
        (restore_extension_diagnostics): Likewise.
        (c_parser_compound_statement_nostart): Pass
        OPT_Wdeclaration_after_statement unconditionally to pedwarn_c90.

2014-08-12  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_postfix_expression) <case RID_FUNCTION_NAME>:
        Add pedwarn.
        (c_parser_postfix_expression) <case RID_PRETTY_FUNCTION_NAME>:
        Likewise.
        (c_parser_postfix_expression) <case RID_C99_FUNCTION_NAME>: Likewise.

2014-08-10 Marek Polacek  <polacek@redhat.com>

        PR c/51849
        * c-decl.c (build_array_declarator): Remove check for !flag_isoc99.
        Call pedwarn_c90 instead of pedwarn.
        (check_bitfield_type_and_width): Likewise.
        (declspecs_add_qual): Likewise.
        (declspecs_add_type): Likewise.
        (warn_variable_length_array): Unify function for -pedantic and -Wvla.
        Adjust to only call pedwarn_c90.
        (grokdeclarator): Remove pedantic && !flag_isoc99 check.  Call
        pedwarn_c90 instead of pedwarn.
        * c-errors.c (pedwarn_c90): Handle -Wc90-c99-compat.
        * c-parser.c (disable_extension_diagnostics): Handle
        warn_c90_c99_compat.
        (restore_extension_diagnostics): Likewise.
        (c_parser_enum_specifier): Remove check for !flag_isoc99.  Call
        pedwarn_c90 instead of pedwarn.
        (c_parser_initelt): Likewise.
        (c_parser_postfix_expression): Likewise.
        (c_parser_postfix_expression_after_paren_type): Likewise.
        (c_parser_compound_statement_nostart): Remove check for !flag_isoc99.
        * c-tree.h: Fix formatting.
        * c-typeck.c (build_array_ref): Remove check for !flag_isoc99.  Call
        pedwarn_c90 instead of pedwarn.

2014-08-07  Trevor Saunders  <tsaunders@mozilla.com>

        * c-typeck.c: Remove include of pointer-set.h.

2014-08-07  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (pointer_diff): Remove P - (P + CST) optimization.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

        * c-typeck.c: Use hash_map instead of pointer_map.

2014-08-02  Trevor Saunders  <tsaunders@mozilla.com>

        * c-decl.c: Use hash_set instead of pointer_set.

2014-08-01  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR middle-end/61455
        * c-array-notation.c (expand_array_notations): Handling
        of DECL_EXPR added.

2014-07-31  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/60517
        * c-typeck.c (c_finish_return): Return 0 instead of the address of
        a local variable.

2014-07-30  Tom Tromey  <tromey@redhat.com>

        * c-typeck.c (struct constructor_stack) <designator_depth>: New
        field.
        (really_start_incremental_init, push_init_level): Initialize
        designator_depth.
        (pop_init_level): Set global designator_depth.
        (process_init_element): Check for designated_init attribute.

2014-07-20  Marek Polacek  <polacek@redhat.com>

        PR c/61852
        * c-decl.c (implicit_decl_warning): Add location_t parameter.  Use it.
        (implicitly_declare): Pass location to implicit_decl_warning.

2014-07-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/61294
        * c-parser.c (c_parser_expr_list): Add new argument literal_zero_mask.
        If non-NULL, call c_parser_check_literal_zero.
        (c_parser_check_literal_zero): New function.
        (c_parser_postfix_expression_after_primary): Adjust
        c_parser_expr_list caller, handle -Wmemset-transposed-args.

2014-07-06  Marek Polacek  <polacek@redhat.com>

        PR c/6940
        * c-decl.c (grokdeclarator): Set C_ARRAY_PARAMETER.
        * c-tree.h (C_ARRAY_PARAMETER): Define.
        * c-typeck.c (c_expr_sizeof_expr): Warn when using sizeof on an array
        function parameter.

2014-07-02  Jan Hubicka  <hubicka@ucw.cz>
            Chen Gang <gang.chen.5i5j@gmail.com>

        * c-decl.c (duplicate_decls): CLear DECL_STRUCT_FUNCTION before
        releasing symbol.

2014-07-01  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (convert_for_assignment): Pass OPT_Wint_conversion
        instead of 0 to WARN_FOR_ASSIGNMENT.

2014-07-01  Marek Polacek  <polacek@redhat.com>

        PR c/58286
        * c-typeck.c (convert_for_assignment): Pass
        OPT_Wincompatible_pointer_types instead of 0 to WARN_FOR_ASSIGNMENT.

2014-06-30  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (grokdeclarator): Don't instrument VLAs if the function
        has no_sanitize_undefined attribute.

2014-06-30  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR middle-end/57541
        * c-array-notation.c (fix_builtin_array_notation_fn):
        Check for 0 arguments in builtin call. Check that bultin argument is
        correct.
        * c-parser.c (c_parser_array_notation): Check for incorrect initial
        index.

2014-06-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * c-parser.c (c_parser_declaration_or_fndef): Discard all type
        qualifiers in __auto_type for atomic types.
        (c_parser_typeof_specifier): Discard all type qualifiers in
        __typeof__ for atomic types.

2014-06-25  Marek Polacek  <polacek@redhat.com>

        PR c/61162
        * c-parser.c (c_parser_statement_after_labels): Pass the location of
        the return expression to c_finish_return.

2014-06-25  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (c_finish_omp_clauses): Make sure
        OMP_CLAUSE_LINEAR_STEP has correct type.

2014-06-24  Trevor Saunders  <tsaunders@mozilla.com>

        * c-decl.c: Adjust.

2014-06-24  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (c_parser_omp_for_loop): For
        #pragma omp parallel for simd move lastprivate clause from parallel
        to for rather than simd.

2014-06-23  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (parser_build_binary_op): Don't call
        warn_logical_not_parentheses if the RHS is TRUTH_NOT_EXPR.

2014-06-15  Jan Hubicka  <hubicka@ucw.cz>

        * c-parser.c (c_parser_omp_threadprivate): Likewise.
        * c-decl.c (merge_decls): Likewise.

2014-06-09  Marek Polacek  <polacek@redhat.com>

        PR c/36446
        * c-typeck.c (error_init): Call inform instead of error_at.
        (pedwarn_init): Call inform instead of pedwarn.
        (warning_init): Call inform instead of warning_at.

2014-06-07  Jan Hubicka  <hubicka@ucw.cz>

        * c-decl.c (merge_decls): Use set_decl_section_name.
        (duplicate_decls): Remove node if it exists.

2014-06-05  S. Gilles  <sgilles@terpmail.umd.edu>

        PR c/53119
        * c-typeck.c (push_init_level, process_init_element,
        pop_init_level): Correct check for zero initialization, move
        missing brace warning to respect zero initialization.

2014-06-05  Marek Polacek  <polacek@redhat.com>

        PR c/56724
        * c-typeck.c (convert_for_assignment): Use expr_loc for ic_argpass.

2014-06-05  Marek Polacek  <polacek@redhat.com>

        PR c/49706
        * c-typeck.c (parser_build_binary_op): Warn when logical not is used
        on the left hand side operand of a comparison. 

2014-06-05  Marek Polacek  <polacek@redhat.com>

        PR c/48062
        * c-decl.c (warn_if_shadowing): Call inform instead of warning_at.
        Print note only if the warning was printed.

2014-06-04  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/58942
        * c-array-notation.c (fix_builtin_array_notation_fn): Handle the case
        with a pointer.

2014-06-03  Marek Polacek  <polacek@redhat.com>

        PR c/60439
        * c-parser.c (c_parser_switch_statement): Pass explicit_cast_p to
        c_start_case.
        * c-tree.h (c_start_case): Update.
        * c-typeck.c (c_start_case): Add new boolean parameter.  Warn if
        switch condition has boolean value.

2014-06-02  Andrew MacLeod  <amacleod@redhat.com>

        * c-decl.c: Include builtins.h.
        * c-parser.c: Likewise.

2014-05-27  Marek Polacek  <polacek@redhat.com>

        PR c/56724
        * c-typeck.c (convert_arguments): Get location of a parameter.  Change
        error and warning calls to error_at and warning_at.  Pass location of
        a parameter to it.  Call warning_at with OPT_Wtraditional_conversion.
        (convert_for_assignment): Add parameter to WARN_FOR_ASSIGNMENT and
        WARN_FOR_QUALIFIERS.  Pass expr_loc to those.

2014-05-26  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR c/61191
        * c-array-notation.c (fix_builtin_array_notation_fn): Check invalid
        function parameters.

2014-05-23  Jan Hubicka  <hubicka@ucw.cz>

        * c-decl.c (merge_decls): Preserve symtab node pointers.
        (duplicate_decls): Free new decl.

2014-05-23  Thomas Schwinge  <thomas@codesourcery.com>

        * c-typeck.c (c_finish_omp_clauses): Remove duplicated variable
        initialization.

        * c-parser.c (c_parser_omp_target): Return bool values.

2014-05-22  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_omp_clause_thread_limit): Rename
        num_teams_loc variable to num_thread_limit_loc.

2014-05-21  Richard Sandiford  <rsandifo@linux.vnet.ibm.com>

        * c-array-notation.c (expand_array_notations): Use void_node
        instead of void_zero_node.

2014-05-17  Trevor Saunders  <tsaunders@mozilla.com>

        * c-decl.c (finish_struct): Adjust.
        (finish_enum): Likewise.
        (bind): Adjust.
        (record_inline_static): Likewise.
        (push_scope): Likewise.
        (make_label): Likewise.
        (lookup_label_for_goto): Likewise.
        (finish_struct): Likewise.
        (finish_enum): Likewise.
        (store_parm_decls): Likewise.
        (c_push_function_context): Likewise.
        * c-lang.h: Remove usage of variable_size gty attribute.
        * c-parser.c (c_parse_init): Adjust.
        (c_parse_file): Likewise.

2014-05-13  Marek Polacek  <polacek@redhat.com>

        PR c/61162
        * c-typeck.c (convert_for_assignment): Pass location to
        WARN_FOR_ASSIGNMENT instead of input_location.

2014-05-10  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_declaration_or_fndef): Pass init_loc to
        maybe_warn_string_init.
        (c_parser_postfix_expression_after_paren_type): Pass type_loc to
        maybe_warn_string_init.
        * c-tree.h (maybe_warn_string_init): Update declaration.
        * c-typeck.c (maybe_warn_string_init): Add location parameter.
        Call pedwarn_init with loc instead of with input_location.
        (digest_init): Pass init_loc to maybe_warn_string_init.
        (pop_init_level): Call pedwarn_init with loc instead of with
        input_location.
        (set_init_index): Likewise.
        (process_init_element): Likewise.

2014-05-09  Marek Polacek  <polacek@redhat.com>

        PR c/61096
        * c-parser.c (c_parser_braced_init): Pass brace_loc to push_init_level.
        (c_parser_initelt): Pass location to set_init_label.  Pass array index
        location to set_init_index.
        * c-tree.h (push_init_level): Update declaration.
        (pop_init_level): Likewise.
        (set_init_index): Likewise.
        (set_init_label): Likewise.
        * c-typeck.c (error_init): Add location parameter.  Call error_at
        instead of error.
        (digest_init): Pass init_loc to error_init.
        (really_start_incremental_init):
        (push_init_level): Add location parameter.  Pass loc to pop_init_level
        and error_init.
        (pop_init_level): Likewise.
        (set_designator): Add location parameter.  Pass loc to pop_init_level,
        push_init_level, and error_init.
        (set_init_index): Add location parameter.  Pass loc to error_init and
        set_designator.
        (set_init_label): Likewise.
        (output_init_element): Pass loc to error_init.
        (process_init_element): Pass loc to error_init, pop_init_level,
        pedwarn_init, and push_init_level.

2014-05-09  Marek Polacek  <polacek@redhat.com>

        PR c/50459
        * c-parser.c (c_parser_attributes): Parse the arguments as an
        expression-list if the attribute takes identifier.

2014-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/61053
        * c-decl.c (grokdeclarator): Use min_align_of_type instead of
        TYPE_ALIGN_UNIT.

2014-05-08  Marek Polacek  <polacek@redhat.com>

        PR c/61077
        * c-decl.c (start_function): Warn for _Atomic-qualified return type
        of main.

2014-05-06  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Mike Stump  <mikestump@comcast.net>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * c-decl.c (check_bitfield_type_and_width): Use TYPE_SIGN.
        (finish_enum): Use wide-int interfaces.
        * c-parser.c (c_parser_cilk_clause_vectorlength): Likewise.
        * c-typeck.c (build_c_cast): Likewise.
        (set_nonincremental_init_from_string): Likewise.
        (c_tree_equal): Likewise.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        PR c/25801
        * c-typeck.c (c_size_in_bytes): Update comment.  Don't call error.
        Return size_one_node when the type is not complete.
        (pointer_diff): Remove comment.
        (build_unary_op): Improve error messages.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (c_finish_return): Separate warning_at calls.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        * c-tree.h (error_init): Remove declaration.
        (pedwarn_init): Likewise.
        * c-typeck.c (error_init): Make static and move above.
        (pedwarn_init): Likewise.
        (warning_init): Move above.
        (maybe_warn_string_init): Likewise.

2014-05-01  Jeff Law  <law@redhat.com>

        Revert:

        2014-04-24  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>
        * c-parser.c (c_parser_sizeof_expression): Reorganize slightly to
        avoid goto.

2014-05-02  Marek Polacek  <polacek@redhat.com>

        PR c/60784
        * c-typeck.c (push_init_level): Set constructor_designated to
        p->designated for structures.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/60915
        * c-parser.c (c_parser_declaration_or_fndef): Give better error if
        function-definition has an attribute after the declarator.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/60257
        * c-typeck.c (warning_init): Add location_t parameter.  Call
        warning_at instead of warning.
        (push_init_level): Pass input_location to warning_init.
        (add_pending_init): Add location_t parameter.  Pass loc to
        warning_init.
        (set_nonincremental_init): Pass input_location to add_pending_init.
        (set_nonincremental_init_from_string): Likewise.
        (output_init_element): Pass loc to warning_init and to
        add_pending_init.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/43395
        * c-typeck.c (c_finish_return): Distinguish between label and variable
        when warning about returning local address.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/29467
        * c-decl.c (declspecs_add_type): Pedwarn if boolean types are used
        in C89 mode.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/43245
        * c-typeck.c (convert_for_assignment): Pass OPT_Wdiscarded_qualifiers
        instead of 0 to WARN_FOR_QUALIFIERS.

2014-05-01  Marek Polacek  <polacek@redhat.com>

        PR c/56989
        * c-typeck.c (default_conversion): Use better location for
        error call.

2014-04-30  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (build_binary_op): Call ubsan_instrument_division
        also when SANITIZE_FLOAT_DIVIDE is on.

2014-04-30  Marek Polacek  <polacek@redhat.com>

        PR c/60139
        * c-typeck.c (output_init_element): Pass OPT_Wpedantic to pedwarn
        and pedwarn_init.  Use loc insted of input_location.

2014-04-30  Marek Polacek  <polacek@redhat.com>

        PR c/60351
        * c-typeck.c (build_binary_op): Use location when warning about
        shift count.

2014-04-25  Marek Polacek  <polacek@redhat.com>

        PR c/18079
        * c-decl.c (diagnose_mismatched_decls): Warn for mismatched
        always_inline/noinline and hot/cold attributes.

2014-04-25  Marek Polacek  <polacek@redhat.com>

        PR c/60114
        * c-parser.c (c_parser_initelt): Pass input_location to
        process_init_element.
        (c_parser_initval): Pass loc to process_init_element.
        * c-tree.h (process_init_element): Adjust declaration.
        * c-typeck.c (push_init_level): Pass input_location to
        process_init_element.
        (pop_init_level): Likewise.
        (set_designator): Likewise.
        (output_init_element): Add location_t parameter.  Pass loc to
        digest_init.
        (output_pending_init_elements): Pass input_location to
        output_init_element.
        (process_init_element): Add location_t parameter.  Pass loc to
        output_init_element.

2014-04-24  Jakub Jelinek  <jakub@redhat.com>

        * c-parser.c (c_parser_omp_atomic): Allow seq_cst before
        atomic-clause, allow comma in between atomic-clause and
        seq_cst.

2014-04-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/59073
        * c-parser.c (c_parser_omp_parallel): If c_parser_omp_for
        fails, don't set OM_PARALLEL_COMBINED and return NULL.

2014-04-12  Igor Zamyatin  <igor.zamyatin@intel.com>

        PR middle-end/60469
        * c-array-notation.c (fix_builtin_array_notation_fn): Use
        create_tmp_var instead build_decl for creating temps.
        (build_array_notation_expr): Likewise.
        (fix_conditional_array_notations_1): Likewise.
        (fix_array_notation_expr): Likewise.
        (fix_array_notation_call_expr): Likewise.

2014-03-28  Jakub Jelinek  <jakub@redhat.com>

        PR c++/60689
        * c-tree.h (c_build_function_call_vec): New prototype.
        * c-typeck.c (build_function_call_vec): Don't call
        resolve_overloaded_builtin here.
        (c_build_function_call_vec): New wrapper function around
        build_function_call_vec.  Call resolve_overloaded_builtin here.
        (convert_lvalue_to_rvalue, build_function_call, build_atomic_assign):
        Call c_build_function_call_vec instead of build_function_call_vec.
        * c-parser.c (c_parser_postfix_expression_after_primary): Likewise.
        * c-decl.c (finish_decl): Likewise.

2014-03-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/55383
        * c-typeck.c: Use correct format string in cast-qual warning

2014-03-07  Thomas Schwinge  <thomas@codesourcery.com>

        * c-decl.c (c_decl_attributes): Use
        lang_hooks.types.omp_mappable_type.
        * c-typeck.c (c_finish_omp_clauses): Likewise.

2014-03-06  Marek Polacek  <polacek@redhat.com>

        PR c/60197
        * c-typeck.c (c_finish_return): Call contains_cilk_spawn_stmt instead
        of checking tree code.

2014-02-19  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>

        * c-parser.c (c_parser_declspecs): Replace call to error by error_at.
        (c_parser_parameter_declaration): Likewise.

2014-02-19  Marek Polacek  <polacek@redhat.com>

        PR c/60195
        * c-typeck.c (convert_lvalue_to_rvalue): Set TREE_NO_WARNING on tmp.
        Call mark_exp_read on exp.value.
        (build_atomic_assign): Set TREE_NO_WARNING on val and old.  Set
        TREE_ADDRESSABLE on old instead of val.
        (emit_side_effect_warnings): Warn only if RHS has !TREE_NO_WARNING.

2014-02-07  Prathamesh Kulkarni  <bilbotheelffriend@gmail.com>

        * c-parser.c (c_parser_get_builtin_args): Replace calls to
        C_EXPR_APPEND by vec_safe_push.
        * c-tree.h (C_EXPR_APPEND): Remove.

2014-01-31  Marek Polacek  <polacek@redhat.com>

        PR c/59963
        * c-typeck.c (convert_lvalue_to_rvalue): Pass vNULL to
        build_function_call_vec.
        (build_function_call): Likewise.
        (build_atomic_assign): Likewise.
        (build_function_call_vec): Add arg_loc parameter.  Use it.
        (convert_arguments): Likewise.
        (convert_for_assignment): Rename rhs_loc to expr_loc.
        * c-parser.c (c_parser_attributes): Pass NULL to c_parser_expr_list.
        (c_parser_objc_keywordexpr): Likewise.
        (c_parser_postfix_expression_after_primary): Call
        build_function_call_vec with expr_loc rather than op_loc.
        Call c_parser_expr_list to fill arg_loc.  Pass arg_loc to
        build_function_call_vec.
        (c_parser_expr_list): Add locations parameter.  Fill it with locations
        of function arguments.
        * c-decl.c (finish_decl): Pass vNULL to build_function_call_vec.

2014-01-30  Marek Polacek  <polacek@redhat.com>

        PR c/59940
        * c-typeck.c (build_function_call_vec): Use loc parameter.
        (convert_arguments): Add location parameter.  Use it.
        (ep_convert_and_check): Likewise.
        (build_atomic_assign): Adjust convert_for_assignment call.
        (build_modify_expr): Likewise.
        (digest_init): Likewise.
        (c_finish_return): Likewise.
        (build_conditional_expr): Adjust ep_convert_and_check calls.
        (convert_for_assignment): Add rhs_loc parameter.  Use it.
        (build_binary_op): Adjust convert_and_check and ep_convert_and_check
        calls.

2014-01-30  Richard Biener  <rguenther@suse.de>

        PR c/59905
        * c-typeck.c (build_function_call_vec): Do not replace calls
        to a function via an incompatible type with a runtime abort.

2014-01-24  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-parser.c (c_parser_declaration_or_fndef): Replaced
        flag_enable_cilkplus with flag_cilkplus.
        (c_parser_direct_declarator_inner): Likewise.
        (c_parser_attribute_any_word): Likewise.
        (c_parser_attributes): Likewise.
        (c_parser_compound_statement): Likewise.
        (c_parser_statement_after_labels): Likewise.
        (c_parser_if_statement): Likewise.
        (c_parser_switch_statement): Likewise.
        (c_parser_do_statement): Likewise.
        (c_parser_for_statement): Likewise.
        (c_parser_unary_expression): Likewise.
        (c_parser_postfix_expression): Likewise.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_omp_clause_name): Likewise.
        (c_finish_omp_declare_simd): Likewise.
        (c_parser_cilk_verify_simd): Likewise.
        * c-typeck.c (build_array_ref): Likewise.
        (build_function_call_vec): Likewise.
        (convert_arguments): Likewise.
        (build_compound_expr): Likewise.
        (c_finish_return): Likewise.
        (c_finish_if_stmt): Likewise.
        (c_finish_loop): Likewise.
        (build_binary_op): Likewise.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/59846
        * c-typeck.c (parser_build_binary_op): Use location instead of
        input_location.
        (build_binary_op): Pass location to shorten_compare.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/58346
        * c-typeck.c (pointer_diff): Give an error on arithmetic on pointer to
        an empty aggregate.

2014-01-23  Marek Polacek  <polacek@redhat.com>

        PR c/59871
        * c-typeck.c (build_compound_expr): Warn even for right-hand operand
        of a comma expression.
        (emit_side_effect_warnings): Likewise.

2014-01-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR c/59825
        * c-array-notation.c (expand_array_notation_exprs): Rewrote this
        function to use walk_tree and moved a lot of its functionality to
        expand_array_notations.
        (expand_array_notations): New function.

2014-01-23  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-parser.c (c_finish_omp_declare_simd): Made "cilk simd function"
        attribute an attribute without value.

2014-01-23  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/58809
        * c-typeck.c (c_finish_omp_clause): Reject MIN_EXPR, MAX_EXPR,
        BIT_AND_EXPR, BIT_IOR_EXPR and BIT_XOR_EXPR on COMPLEX_TYPEs.

2014-01-22  Marek Polacek  <polacek@redhat.com>

        PR c/59891
        * c-typeck.c (build_conditional_expr): Call c_fully_fold instead
        of remove_c_maybe_const_expr on op1 and op2.

2014-01-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/58943
        * c-typeck.c (build_modify_expr): For lhs op= rhs, if rhs has side
        effects, preevaluate rhs using SAVE_EXPR first.

2014-01-09  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR c++/59631
        * c-parser.c (c_parser_postfix_expression): Replaced consecutive if
        statements with if-elseif statements.

2014-01-06  Marek Polacek  <polacek@redhat.com>

        PR c/57773
        * c-decl.c (check_bitfield_type_and_width): Warn for implementation
        defined bit-field types only in ISO C.

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        Update copyright years

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-array-notation.c: Use the standard form for the copyright notice.

2013-12-18  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-parser.c (struct c_parser::cilk_simd_fn_tokens): Added new field.
        (c_parser_declaration_or_fndef): Added a check if cilk_simd_fn_tokens
        field in parser is not empty.  If not-empty, call the function
        c_parser_finish_omp_declare_simd.
        (c_parser_cilk_clause_vectorlength): Modified function to be shared
        between SIMD-enabled functions and #pragma simd.  Added new parameter.
        (c_parser_cilk_all_clauses): Modified the usage of the function
        c_parser_cilk_clause_vectorlength as mentioned above.
        (c_parser_cilk_simd_fn_vector_attrs): New function.
        (c_finish_cilk_simd_fn_tokens): Likewise.
        (is_cilkplus_vector_p): Likewise.
        (c_parser_omp_clause_name): Added checking for "vectorlength,"
        "nomask," and "mask" strings in clause name.
        (c_parser_omp_all_clauses): Added 3 new case statements:
        PRAGMA_CILK_CLAUSE_VECTORLENGTH, PRAGMA_CILK_CLAUSE_MASK and
        PRAGMA_CILK_CLAUSE_NOMASK.
        (c_parser_attributes): Added a cilk_simd_fn_tokens parameter.  Added a
        check for vector attribute and if so call the function
        c_parser_cilk_simd_fn_vector_attrs.  Also, when Cilk plus is enabled,
        called the function c_finish_cilk_simd_fn_tokens.
        (c_finish_omp_declare_simd): Added a check if cilk_simd_fn_tokens in
        parser field is non-empty.  If so, parse them as you would parse
        the omp declare simd pragma.
        (c_parser_omp_clause_linear): Added a new bool parm. is_cilk_simd_fn.
        Added a check when step is a parameter and flag it as error.
        (CILK_SIMD_FN_CLAUSE_MASK): New #define.
        (c_parser_cilk_clause_name): Changed pragma_cilk_clause to
        pragma_omp_clause.

2013-12-17  Thomas Schwinge  <thomas@codesourcery.com>

        * c-parser.c (c_parser_omp_parallel): Fix description.

2013-12-11  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-objc-common.h (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Remove.
        (LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
        (LANG_HOOKS_CILKPLUS_CILKPLUS_GIMPLIFY_SPAWN): Likewise.
        * c-typeck.c (cilk_install_body_with_frame_cleanup): New function.

2013-12-04  Joseph Myers  <joseph@codesourcery.com>

        PR c/52023
        * c-parser.c (c_parser_alignas_specifier): Use
        c_sizeof_or_alignof_type instead of c_alignof.
        (c_parser_alignof_expression): Likewise, with min_alignof
        parameter depending on alignof spelling used.

2013-12-04  Marek Polacek  <polacek@redhat.com>

        PR c/54113
        * c-decl.c (start_function): Don't warn for missing prototype for
        inline functions.

2013-12-03  Marek Polacek  <polacek@redhat.com>

        PR c/59351
        * c-decl.c (build_compound_literal): Allow compound literals with
        empty initial value.

2013-12-02  Joseph Myers  <joseph@codesourcery.com>

        PR c/58235
        * c-typeck.c (build_modify_expr): Diagnose assignment to
        expression with array type.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

        PR c/42262
        * c-typeck.c (process_init_element): Do not treat a string as
        initializing a whole array when used with a designator for an
        individual element.

2013-11-29  Joseph Myers  <joseph@codesourcery.com>

        PR c/57574
        * c-decl.c (merge_decls): Clear DECL_EXTERNAL for a definition of
        an inline function following a static declaration.

2013-11-28  Jakub Jelinek  <jakub@redhat.com>

        PR c/59310
        * c-parser.c (c_parser_omp_target): Copy "#pragma omp target"
        to p_name before calling c_parser_omp_teams instead of after.
        (c_parser_cilk_simd): Remove wrong ATTRIBUTE_UNUSED from parser
        argument.  Remove unused p_name variable.

2013-11-27  Aldy Hernandez  <aldyh@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * c-decl.c (c_builtin_function_ext_scope): Avoid binding if
        external_scope is NULL.

2013-11-27  Tom de Vries  <tom@codesourcery.com>
            Marc Glisse  <marc.glisse@inria.fr>

        PR c++/59032
        * c-typeck.c (build_unary_op): Allow vector increment and decrement.

2013-11-22  Andrew MacLeod  <amacleod@redhat.com>

        * c-typeck.c: Add required include files from gimple.h.

2013-11-22  David Malcolm  <dmalcolm@redhat.com>

        * c-decl.c (define_label, shadow_tag_warned)
        (check_bitfield_type_and_width, grokdeclarator, grokparms,
        store_parm_decls_newstyle, store_parm_decls_oldstyle)
        (declspecs_add_type): Remove use of in_system_header macro.
        * c-parser.c (c_parser_unary_expression): Likewise.
        * c-typeck.c (store_init_value, process_init_element)
        (c_start_case): Likewise.

        * c-decl.c (build_enumerator): Remove use of EXPR_LOC_OR_HERE
        macro.

        * c-parser.c (c_parser_set_source_position_from_token): Remove
        reference to in_system_header from comment.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-decl.c (grokdeclarator): Update comment to refer to
        tree_to_[su]hwi rather than tree_low_cst.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-decl.c, c-typeck.c: Replace tree_low_cst (..., 1) with
        tree_to_uhwi throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-parser.c: Replace tree_low_cst (..., 0) with tree_to_shwi
        throughout.

2013-11-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-parser.c: Replace host_integerp (..., 0) with tree_fits_shwi_p
        throughout.

2013-11-15  Aldy Hernandez  <aldyh@redhat.com>

        * c-parser.c (c_parser_cilk_simd): New.
        (c_parser_cilk_verify_simd): New.
        (c_parser_pragma): Add case for PRAGMA_CILK_SIMD.
        (c_parser_omp_for_loop): Add case for NE_EXPR.
        Set c_break_label for CILK_SIMD.
        (c_parser_cilk_clause_vectorlength): New.
        (c_parser_cilk_clause_linear): New.
        (c_parser_cilk_clause_name): New.
        (c_parser_cilk_all_clauses): New.
        * c-typeck.c (build_unary_op): Pass location argument to
        readonly_error.
        (build_modify_expr): Same.
        (build_asm_expr): Same.
        (c_finish_bc_stmt): Error on break/continue in loops.

2013-11-14  Andrew MacLeod  <amacleod@redhat.com>

        * c-typeck.c: Include only gimplify.h and gimple.h as needed.

2013-11-14  Diego Novillo  <dnovillo@google.com>

        * c-decl.c: Include print-tree.h.
        Include stor-layout.h.
        Include varasm.h.
        Include attribs.h.
        Include stringpool.h.
        * c-lang.c: Include fold-const.h.
        * c-parser.c: Include stringpool.h.
        Include attribs.h.
        Include stor-layout.h.
        Include varasm.h.
        Include trans-mem.h.
        * c-typeck.c: Include stor-layout.h.
        Include trans-mem.h.
        Include varasm.h.
        Include stmt.h.

2013-11-13  Joseph Myers  <joseph@codesourcery.com>

        * c-tree.h (c_typespec_keyword): Add cts_auto_type.
        * c-decl.c (declspecs_add_type, finish_declspecs): Handle
        __auto_type.
        * c-parser.c (c_token_starts_typename, c_token_starts_declspecs)
        (c_parser_attribute_any_word, c_parser_objc_selector): Handle
        RID_AUTO_TYPE.
        (c_parser_declspecs): Take argument AUTO_TYPE_OK.
        (c_parser_declaration_or_fndef, c_parser_struct_declaration)
        (c_parser_declarator, c_parser_direct_declarator_inner)
        (c_parser_parameter_declaration, c_parser_type_name): All callers
        changed.
        (c_parser_declaration_or_fndef): Handle declarations with type
        determined from the initializer.

2013-11-12  Andrew MacLeod  <amacleod@redhat.com>

        * c-typeck.c: Include gimplify.h.

2013-11-12  Joseph Myers  <joseph@codesourcery.com>

        * c-tree.h (struct c_declspecs): Add thread_gnu_p field.
        * c-parser.c (c_parser_declspecs): Mention _Thread_local in
        comment.
        * c-decl.c (shadow_tag_warned, grokdeclarator): Mention __thread
        or _Thread_local as appropriate in diagnostics.
        (build_null_declspecs): Initialize ret->thread_gnu_p.
        (declspecs_add_scspec): Handle either __thread or _Thread_local
        for RID_THREAD.  Diagnose _Thread_local for pre-C11 standards if
        pedantic.  Do not disallow _Thread_local extern and _Thread_local
        static.

2013-11-07  Joseph Myers  <joseph@codesourcery.com>
            Andrew MacLeod  <amacleod@redhat.com>

        * c-aux-info.c (gen_type): Handle atomic qualifier.
        * c-decl.c (validate_proto_after_old_defn): Do not remove atomic
        qualifiers when compating types.
        (shadow_tag_warned): Handle atomic_p in declspecs.
        (quals_from_declspecs): Likewise.
        (start_decl): Use c_type_promotes_to when promoting argument
        types.
        (grokdeclarator): Handle _Atomic.
        (get_parm_info): Diagnose any qualifier on "void" as only
        parameter.
        (store_parm_decls_oldstyle): Do not remove atomic qualifiers when
        comparing types.  Use c_type_promotes_to when promoting argument
        types.
        (finish_function): Use c_type_promotes_to when promoting argument
        types.
        (build_null_declspecs): Handle atomic_p in declspecs.
        (declspecs_add_qual): Handle RID_ATOMIC.
        * c-parser.c (c_token_starts_typename, c_token_is_qualifier)
        (c_token_starts_declspecs): Handle RID_ATOMIC.
        (c_parser_declspecs): Handle atomic type specifiers and
        qualifiers.
        (c_parser_typeof_specifier): Remove const and _Atomic qualifiers
        from types of expressions with atomic type.
        (c_parser_direct_declarator_inner): Use convert_lvalue_to_rvalue.
        (c_parser_attribute_any_word): Handle RID_ATOMIC.
        (c_parser_initializer, c_parser_initelt, c_parser_initval)
        (c_parser_statement_after_labels, c_parser_switch_statement)
        (c_parser_for_statement, c_parser_expr_no_commas)
        (c_parser_conditional_expression, c_parser_binary_expression)
        (c_parser_cast_expression, c_parser_unary_expression)
        (c_parser_postfix_expression)
        (c_parser_postfix_expression_after_primary, c_parser_expression):
        Use convert_lvalue_to_rvalue.
        (c_parser_expression_conv, c_parser_expr_list): Document
        conversion of lvalues to rvalues.  Use convert_lvalue_to_rvalue.
        (c_parser_objc_synchronized_statement): Use
        convert_lvalue_to_rvalue.
        (c_parser_objc_selector): Handle RID_ATOMIC.
        (c_parser_objc_receiver, c_parser_array_notation): Use
        convert_lvalue_to_rvalue.
        * c-tree.h (ctsk_typeof): Adjust comment to mention use for
        _Atomic (type-name).
        (struct c_declspecs): Add atomic_p field.
        (convert_lvalue_to_rvalue): Declare.
        * c-typeck.c (c_type_promotes_to): Promote atomic types to
        corresponding atomic types.
        (qualify_type): Don't add _Atomic qualifiers from second argument.
        (comp_target_types): Do not allow _Atomic mismatches.
        (type_lists_compatible_p): Do not remove atomic qualifiers when
        comparing types.
        (really_atomic_lvalue, convert_lvalue_to_rvalue)
        (build_atomic_assign): New functions.
        (build_unary_op): Use build_atomic_assign for atomic increment and
        decrement.
        (build_conditional_expr): Do not treat _Atomic void as a qualified
        version of void.
        (build_modify_expr): Use build_atomic_assign for atomic LHS.
        (find_anonymous_field_with_type, convert_to_anonymous_field)
        (convert_for_assignment): Do not remove atomic qualifiers when
        comparing types.
        (digest_init): Do not accept initialization of arrays of atomic
        elements by string constants.
        (build_asm_expr): Use convert_lvalue_to_rvalue.
        (build_binary_op): Do not treat _Atomic void as a qualified
        version of void.

2013-11-06  DJ Delorie  <dj@redhat.com>

        * c-decl.c (locate_old_decl): If a previous conflicting decl is
        both explicit and builtin, print the location of the explicit one.

2013-11-05  Tobias Burnus  <burnus@net-b.de>

        * c-parser.c (c_parser_omp_for, c_parser_omp_parallel,
        c_parser_omp_distribute, c_parser_omp_teams,
        c_parser_omp_target, c_parser_omp_declare): Handle
        -fopenmp-simd.

2013-11-03  Marek Polacek  <polacek@redhat.com>

        * c-decl.c (grokdeclarator): Add VLA instrumentation.

2013-11-01  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (c_finish_omp_clauses) <case OMP_CLAUSE_UNIFORM>: Go to
        check_dup_generic at the end, unless remove is true.
        (c_finish_omp_clauses) <case OMP_CLAUSE_REDUCTION>: Add break; after
        remove = true;.
        (c_finish_omp_clauses) <case OMP_CLAUSE_COPYIN>: Likewise.

2013-10-31  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (c_finish_omp_clauses): Diagnose aligned clause
        with decl that is not pointer nor array.

2013-10-29  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-decl.c (finish_function): Added a call for insert_cilk_frame when
        a spawning function is found.
        * c-objc-common.h (LANG_HOOKS_CILKPLUS_GIMPLIFY_SPAWN): New #define.
        (LANG_HOOKS_CILKPLUS_FRAME_CLEANUP): Likewise.
        (LANG_HOOKS_CILKPLUS_DETECT_SPAWN_AND_UNWRAP): Likewise.
        * c-parser.c (c_parser_statement_after_labels): Added RID_CILK_SYNC
        case.
        (c_parser_postfix_expression): Added RID_CILK_SPAWN case.
        * c-typeck.c (build_compound_expr): Reject _Cilk_spawn in a comma
        expr.
        (c_finish_return): Added a check to reject _Cilk_spawn in return
        expression.
        (build_cilk_spawn): New function.
        (build_cilk_sync): Likewise.
        * Makefile.in (c-decl.o): Added cilk.h in dependency list.
        
2013-10-27  Tobias Burnus  <burnus@net-b.de>

        PR other/33426
        * c-parser.c (c_parser_while_statement, c_parser_while_statement,
        c_parser_pragma): Add GCC ivdep support to 'do' and 'while'.
        (c_parser_statement_after_labels): Update calls.

2013-10-24  Tobias Burnus  <burnus@net-b.de>

        PR other/33426
        * c-parser.c (c_parser_pragma, c_parser_for_statement):
        Handle PRAGMA_IVDEP.
        (c_parser_statement_after_labels): Update call.

2013-10-24  Marek Polacek  <polacek@redhat.com>

        * c-parser.c (c_parser_struct_declaration): Add a comment.
        (c_parser_declarator): Don't allow _Alignas here.

2013-10-17  Andrew MacLeod  <amacleod@redhat.com>

        * c-parser.c: Include omp-low.h.
        * c-typeck.c: Likewise.

2013-10-17  Marek Polacek  <polacek@redhat.com>

        PR c/58267
        * c-parser.c (c_parser_declspecs): Add alignspec_ok parameter.
        Document syntax of the array-declarator.
        (c_parser_declspecs) <RID_ALIGNAS>: Bail out if alignment specs
        are not permitted.
        (c_parser_declaration_or_fndef): Adjust c_parser_declspecs call.
        (c_parser_struct_declaration): Likewise.
        (c_parser_declarator): Likewise.
        (c_parser_direct_declarator_inner): Likewise.
        (c_parser_parameter_declaration): Likewise.
        (c_parser_type_name): Likewise.

2013-10-11  Jakub Jelinek  <jakub@redhat.com>

        * c-lang.h (current_omp_declare_target_attribute): New extern
        decl.
        * c-parser.c: Include c-lang.h.
        (struct c_parser): Change tokens to c_token *.
        Add tokens_buf field.  Change tokens_avail type to unsigned int.
        (c_parser_consume_token): If parser->tokens isn't
        &parser->tokens_buf[0], increment parser->tokens.
        (c_parser_consume_pragma): Likewise.
        (enum pragma_context): Add pragma_struct and pragma_param.
        (c_parser_external_declaration): Adjust
        c_parser_declaration_or_fndef caller.
        (c_parser_declaration_or_fndef): Add omp_declare_simd_clauses
        argument, if it is non-vNULL vector, call c_finish_omp_declare_simd.
        Adjust recursive call.
        (c_parser_struct_or_union_specifier): Use pragma_struct instead
        of pragma_external.
        (c_parser_parameter_declaration): Use pragma_param instead of
        pragma_external.
        (c_parser_compound_statement_nostart, c_parser_label,
        c_parser_for_statement): Adjust
        c_parser_declaration_or_fndef callers.
        (c_parser_expr_no_commas): Add omp_atomic_lhs argument, pass
        it through to c_parser_conditional_expression.
        (c_parser_conditional_expression): Add omp_atomic_lhs argument,
        pass it through to c_parser_binary_expression.  Adjust recursive
        call.
        (c_parser_binary_expression): Remove prec argument, add
        omp_atomic_lhs argument instead.  Always start from PREC_NONE, if
        omp_atomic_lhs is non-NULL and one of the arguments of toplevel
        binop matches it, use build2 instead of parser_build_binary_op.
        (c_parser_pragma): Handle PRAGMA_OMP_CANCEL,
        PRAGMA_OMP_CANCELLATION_POINT, PRAGMA_OMP_TARGET,
        PRAGMA_OMP_END_DECLARE_TARGET, PRAGMA_OMP_DECLARE_REDUCTION.
        Handle pragma_struct and pragma_param the same as pragma_external.
        (c_parser_omp_clause_name): Parse new OpenMP 4.0 clause names.
        (c_parser_omp_variable_list): Parse array sections for
        OMP_CLAUSE_{DEPEND,MAP,TO,FROM} clauses.
        (c_parser_omp_clause_collapse): Fully fold collapse expression.
        (c_parser_omp_clause_reduction): Handle user defined reductions.
        (c_parser_omp_clause_branch, c_parser_omp_clause_cancelkind,
        c_parser_omp_clause_num_teams, c_parser_omp_clause_thread_limit,
        c_parser_omp_clause_aligned, c_parser_omp_clause_linear,
        c_parser_omp_clause_safelen, c_parser_omp_clause_simdlen,
        c_parser_omp_clause_depend, c_parser_omp_clause_map,
        c_parser_omp_clause_device, c_parser_omp_clause_dist_schedule,
        c_parser_omp_clause_proc_bind, c_parser_omp_clause_to,
        c_parser_omp_clause_from, c_parser_omp_clause_uniform): New functions.
        (c_parser_omp_all_clauses): Add finish_p argument.  Don't call
        c_finish_omp_clauses if it is false.  Handle new OpenMP 4.0 clauses.
        (c_parser_omp_atomic): Parse seq_cst clause, pass true if it is
        present to c_finish_omp_atomic.  Handle OpenMP 4.0 atomic forms.
        (c_parser_omp_for_loop): Add CODE argument, pass it through
        to c_finish_omp_for.  Change last argument to cclauses,
        and adjust uses to grab parallel clauses from the array of all
        the split clauses.  Adjust c_parser_binary_expression,
        c_parser_declaration_or_fndef and c_finish_omp_for callers.
        (omp_split_clauses): New function.
        (c_parser_omp_simd): New function.
        (c_parser_omp_for): Add p_name, mask and cclauses arguments.
        Allow the function to be called also when parsing combined constructs,
        and call c_parser_omp_simd when parsing for simd.
        (c_parser_omp_sections_scope): If section-sequence doesn't start with
        #pragma omp section, require exactly one structured-block instead of
        sequence of statements.
        (c_parser_omp_sections): Add p_name, mask and cclauses arguments.
        Allow the function to be called also when parsing combined constructs.
        (c_parser_omp_parallel): Add p_name, mask and cclauses arguments.
        Allow the function to be called also when parsing combined
        constructs.
        (c_parser_omp_taskgroup, c_parser_omp_cancel,
        c_parser_omp_cancellation_point, c_parser_omp_distribute,
        c_parser_omp_teams, c_parser_omp_target_data,
        c_parser_omp_target_update, c_parser_omp_target,
        c_parser_omp_declare_simd, c_finish_omp_declare_simd,
        c_parser_omp_declare_target, c_parser_omp_end_declare_target,
        c_parser_omp_declare_reduction, c_parser_omp_declare): New functions.
        (c_parser_omp_construct): Add p_name and mask vars.  Handle
        PRAGMA_OMP_DISTRIBUTE, PRAGMA_OMP_SIMD, PRAGMA_OMP_TASKGROUP,
        PRAGMA_OMP_TEAMS.  Adjust c_parser_omp_for, c_parser_omp_parallel
        and c_parser_omp_sections callers.
        (c_parse_file): Initialize tparser.tokens and the_parser->tokens here.
        (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
        OMP_SINGLE_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.
        (OMP_PARALLEL_CLAUSE_MASK): Likewise.  Add OMP_CLAUSE_PROC_BIND.
        (OMP_TASK_CLAUSE_MASK): Use OMP_CLAUSE_MASK_1 instead of 1.  Add
        OMP_CLAUSE_DEPEND.
        (OMP_SIMD_CLAUSE_MASK, OMP_CANCEL_CLAUSE_MASK,
        OMP_CANCELLATION_POINT_CLAUSE_MASK, OMP_DISTRIBUTE_CLAUSE_MASK,
        OMP_TEAMS_CLAUSE_MASK, OMP_TARGET_DATA_CLAUSE_MASK,
        OMP_TARGET_UPDATE_CLAUSE_MASK, OMP_TARGET_CLAUSE_MASK,
        OMP_DECLARE_SIMD_CLAUSE_MASK): Define.
        * c-typeck.c: Include tree-inline.h.
        (c_finish_omp_cancel, c_finish_omp_cancellation_point,
        handle_omp_array_sections_1, handle_omp_array_sections,
        c_clone_omp_udr, c_find_omp_placeholder_r): New functions.
        (c_finish_omp_clauses): Handle new OpenMP 4.0 clauses and
        user defined reductions.
        (c_tree_equal): New function.
        * c-tree.h (temp_store_parm_decls, temp_pop_parm_decls,
        c_finish_omp_cancel, c_finish_omp_cancellation_point, c_tree_equal,
        c_omp_reduction_id, c_omp_reduction_decl, c_omp_reduction_lookup,
        c_check_omp_declare_reduction_r): New prototypes.
        * c-decl.c (current_omp_declare_target_attribute): New variable.
        (c_decl_attributes): New function.
        (start_decl, start_function): Use it instead of decl_attributes.
        (temp_store_parm_decls, temp_pop_parm_decls, c_omp_reduction_id,
        c_omp_reduction_decl, c_omp_reduction_lookup,
        c_check_omp_declare_reduction_r): New functions.

2013-09-25  Tom Tromey  <tromey@redhat.com>

        * Make-lang.in (c/gccspec.o): Remove.
        (CFLAGS-c/gccspec.o): New variable.
        (cc1-checksum.o, C_TREE_H, c/c-aux-info.o, c/c-convert.o)
        (c/c-decl.o, c/c-errors.o, c/c-lang.o, c/c-objc-common.o)
        (c/c-parser.o, c/c-typeck.o, c/c-array-notation.o): Remove.

2013-09-25  Tom Tromey  <tromey@redhat.com>

        * Make-lang.in (c/gccspec.o): Don't use subshell.

2013-09-18  Marek Polacek  <polacek@redhat.com>

        PR sanitize/58443
        * c-typeck.c (build_binary_op): Properly honor -fsanitize options.
        Remove unnecessary check.

2013-09-18  Marek Polacek  <polacek@redhat.com>

        PR sanitizer/58411
        * c-typeck.c (build_binary_op): Don't sanitize function if it has the
        no_sanitize_undefined attribute.

2013-09-13  Kai Tietz  <ktietz@redhat.com>

        PR target/57848
        * c-decl.c (c_builtin_function_ext_scope): Remove
        wrong assumption that it is never called on prexisting
        symbol.

2013-09-08  Joern Rennecke  <joern.rennecke@embecosm.com>

        * c-typeck.c (build_binary_op): Use vector_types_compatible_elements_p.

2013-09-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-objc-common.c (c_tree_printer): Tidy.

2013-08-30  Marek Polacek  <polacek@redhat.com>

        * c-typeck.c (build_binary_op): Add division by zero and shift
        instrumentation.

2013-08-26  Joern Rennecke  <joern.rennecke@embecosm.com>
            Joseph Myers  <joseph@codesourcery.com>

        PR c/35649
        * c-typeck.c (c_common_type): Prefer double_type_node over
        other REAL_TYPE types with the same precision.
        (convert_arguments): Likewise.

2013-08-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-objc-common.c (c_tree_printer): Document the nature of the cast.
        (c_initialize_diagnostics): Call a destructor for the early printer.

2013-08-22  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-objc-common.c (c_initialize_diagnostics): Simplify C pretty
        printer initialization.

2013-08-19  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR c/57490
        * c-array-notation.c (fix_conditional_array_notations_1): Added a
        check for truth values.
        (expand_array_notation_exprs): Added truth values case.  Removed an
        unwanted else.  Added for-loop to walk through subtrees in default
        case.

2013-08-04  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-objc-common.c (c_initialize_diagnostics): Don't call pp_base.

2013-07-23  Joseph Myers  <joseph@codesourcery.com>

        * c-parser.c (struct c_generic_association): Fix typo.

2013-07-23  Tom Tromey  <tromey@redhat.com>
            Joseph Myers  <joseph@codesourcery.com>

        * c-parser.c (struct c_generic_association): New.
        (c_generic_association_d): New typedef.
        (c_parser_generic_selection): New function.
        (c_parser_postfix_expression): Handle RID_GENERIC.

2013-07-13  Jason Merrill  <jason@redhat.com>

        PR c++/57793
        * c-decl.c (finish_struct): Check for too-large class.

2013-07-04  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR c/57821
        * c-typeck.c (set_init_index): When folding, check for index overflow.

2013-06-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-parser.c (c_parser_array_notation): Removed rejection of array
        notations in an array of function pointers.

2013-06-21  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-array-notation.c (make_triplet_val_inv): New function.
        (create_cmp_incr): Likewise.
        (create_array_refs): Likewise.
        (fix_builtin_array_notation_fn): Replaced all mallocs with tree vec.
        Also modularized common parts between functions and called the function.
        (build_array_notation_expr): Likewise.
        (fix_conditional_array_notations_1): Likewise.
        (fix_array_notation_expr): Likewise.
        (fix_array_notation_call_expr): Likewise.

2013-06-18  Marek Polacek  <polacek@redhat.com>

        PR c/57630
        * c-decl.c (check_for_loop_decls): Improve diagnostics messages.

2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-array-notation.c (build_array_notation_expr): Reject array notation
        mismatch between LHS and RHS even inside a call_expr.  Also, removed
        a couple while statements that were dead code.

2013-06-10  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-array-notation.c (fix_builtin_array_notation_fn): Fully folded
        excessive precision expressions in function parameters.  Also removed
        couple unwanted while statements.

2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-array-notation.c (expand_array_notation_exprs): Added
        ARRAY_NOTATION_REF case.
        
2013-06-07  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-array-notation.c (length_mismatch_in_expr_p): Moved this
        function to c-family/array-notation-common.c.
        (is_cilkplus_reduce_builtin): Likewise.
        (find_rank): Likewise.
        (extract_array_notation_exprs): Likewise.
        (replace_array_notations): Likewise.
        (find_inv_trees): Likewise.
        (replace_inv_trees): Likewise.
        (contains_array_notation_expr): Likewise.
        (find_correct_array_notation_type): Likewise.
        (replace_invariant_exprs): Initialized additional_tcodes to NULL.
        (struct inv_list): Moved this to c-family/array-notation-common.c.
        * c-tree.h (is_cilkplus_builtin_reduce): Remove prototype.
        
2013-06-05  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-typeck.c (convert_arguments): Moved checking of builtin cilkplus
        reduction functions outside the for-loop.  Added a check if the fundecl
        is non-NULL.  Finally, removed an unwanted if-statement, and made the
        body unconditional.

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-typeck.c (c_finish_if_stmt): Added a check to see if the rank of the
        condition of the if-statement matches the rank of else-block and then-
        block when array notations are used.
        * c-parser.c (c_parser_declaration_or_fndef): Expanded array notation
        expression after the entire function body is parsed.
        (c_parser_expr_no_commas): Delayed creating array notation expressions
        to the end of function parsing.
        * c-array-notation.c (fix_conditional_array_notations_1): Expanded the
        whole if-statement instead of just the condition.
        (expand_array_notation_exprs): Added MODIFY_EXPR case.  

2013-06-03  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        PR c/57474
        * c-array-notation.c (build_array_notation_expr): Initialized rhs_length
        array to NULL_TREE if they are unused.  Also added a check for the
        field to be NULL before its fields are used in future.
        
2013-05-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/57450
        * c-array-notation.c (length_mismatch_in_expr_p): Use absu_hwi.
        (build_array_notation_expr): Likewise.

2013-05-28  Balaji V. Iyer  <balaji.v.iyer@intel.com>

        * c-typeck.c (build_array_ref): Added a check to see if array's
        index is greater than one.  If true, then emit an error.
        (build_function_call_vec): Exclude error reporting and checking
        for builtin array-notation functions.
        (convert_arguments): Likewise.
        (c_finish_return): Added a check for array notations as a return
        expression.  If true, then emit an error.
        (c_finish_loop): Added a check for array notations in a loop
        condition.  If true then emit an error.
        (lvalue_p): Added a ARRAY_NOTATION_REF case.
        (build_binary_op): Added a check for array notation expr inside
        op1 and op0.  If present, we call another function to find correct
        type.
        * Make-lang.in (C_AND_OBJC_OBJS): Added c-array-notation.o.
        * c-parser.c (c_parser_compound_statement): Check if array
        notation code is used in tree, if so, then transform them into
        appropriate C code.
        (c_parser_expr_no_commas): Check if array notation is used in LHS
        or RHS, if so, then build array notation expression instead of
        regular modify.
        (c_parser_postfix_expression_after_primary): Added a check for
        colon(s) after square braces, if so then handle it like an array
        notation.  Also, break up array notations in unary op if found.
        (c_parser_direct_declarator_inner): Added a check for array
        notation.
        (c_parser_compound_statement): Added a check for array notation in
        a stmt.  If one is present, then expand array notation expr.
        (c_parser_if_statement): Likewise.
        (c_parser_switch_statement): Added a check for array notations in
        a switch statement's condition.  If true, then output an error.
        (c_parser_while_statement): Similarly, but for a while.
        (c_parser_do_statement): Similarly, but for a do-while.
        (c_parser_for_statement): Similarly, but for a for-loop.
        (c_parser_unary_expression): Check if array notation is used in a
        pre-increment or pre-decrement expression.  If true, then expand
        them.
        (c_parser_array_notation): New function.
        * c-array-notation.c: New file.
        * c-tree.h (is_cilkplus_reduce_builtin): Protoize.
        
2013-05-23  Mike Stump  <mikestump@comcast.net>

        * c-typeck.c (convert_for_assignment): Handle references to memory
        spaces better.

2013-05-16  Jason Merrill  <jason@redhat.com>

        * Make-lang.in (cc1$(exeext)): Use link mutex.

2013-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

        * c-typeck.c (pointer_diff): Change -Wpointer-arith pedwarns
        to simply use OPT_Wpointer_arith.
        (build_unary_op): Likewise.

2013-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR c/19449
        * c-parser.c (c_parser_get_builtin_args): Add choose_expr_p
        argument.  If set, or it temporarily for parsing of the first
        argument into force_folding_builtin_constant_p.
        (c_parser_postfix_expression): Adjust callers.

2013-03-21  Richard Biener  <rguenther@suse.de>

        * c-objc-common.c (c_tree_printer): Use DECL_HAS_DEBUG_EXPR_P
        instead of DECL_DEBUG_EXPR_IS_FROM.  Guard properly.

2013-02-12  Marek Polacek  <polacek@redhat.com>

        PR c/44938
        * c-parser.c (c_parser_postfix_expression_after_primary): Initialize
        origtypes to NULL.

2013-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/56078
        * c-typeck.c (set_nonincremental_init_from_string): If
        constructor_max_index is NULL, treat it as if tree_int_cst_lt
        returned false.
        (process_init_element): Likewise.

2012-12-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/55619
        * c-parser.c (c_parser_asm_operands): Remove CONVERT_P
        argument, don't call default_function_array_conversion
        nor c_fully_fold here.
        (c_parser_asm_statement): Adjust callers.
        * c-typeck.c (build_asm_expr): Call c_fully_fold on inputs
        and outputs here, and call default_function_array_conversion
        on inputs that don't need to be addressable.

2012-12-18  Jakub Jelinek  <jakub@redhat.com>

        PR c/39464
        * c-typeck.c (convert_for_assignment): For -Wpointer-sign
        warning require that both c_common_unsigned_type as well as
        c_common_signed_type is the same for both mvl and mvr types.

2012-11-16  Diego Novillo  <dnovillo@google.com>

        Adjust for new vec API (http://gcc.gnu.org/wiki/cxx-conversion/cxx-vec)

        * c-common.c: Use new vec API in vec.h.
        * c-common.h: Likewise.
        * c-gimplify.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.c: Likewise.
        * c-pretty-print.h: Likewise.
        * c-semantics.c: Likewise.
        * c-decl.c: Likewise.
        * c-parser.c: Likewise.
        * c-tree.h: Likewise.
        * c-typeck.c: Likewise.

2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR c++/54930
        * c-typeck.c (c_finish_return): Use OPT_Wreturn_local_addr.

2012-10-29  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/53066
        * c-decl.c (warn_if_shadowing): Do not warn if a variable
        shadows a function, unless the variable is a function or a
        pointer-to-function.

2012-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/54381
        * c-parser.c (struct c_tree_loc_pair): Removed.
        (c_parser_expr_list): Remove struct c_tree_loc_pair * argument,
        add location_t * and tree * arguments, fill in array of 3
        sizeof_arg trees and corresponding locs.
        (c_parser_attributes, c_parser_objc_keywordexpr): Adjust
        c_parser_expr_list callers.
        (c_parser_postfix_expression_after_primary): Likewise.  Pass
        array of 3 sizeof_arg trees and locs (corresponding to first
        3 arguments) to sizeof_pointer_memaccess_warning.

2012-10-09  Lawrence Crowl  <crowl@google.com>

        * Make-lang.in (c-decl.o): Add dependence on hash-table.h.
        * c-decl.c (detect_field_duplicates_hash): Change to new type-safe
        hash table.

2012-10-09  Paolo Carlini  <paolo.carlini@oracle.com>

        PR c++/54194
        * c-typeck.c (parser_build_binary_op): Update warn_about_parentheses
        call.

2012-10-09  Marc Glisse  <marc.glisse@inria.fr>

        PR c++/54427
        * c-typeck.c: Include c-common.h.
        (enum stv_conv): Moved to c-common.h.
        (scalar_to_vector): Moved to c-common.c.
        (build_binary_op): Adapt to scalar_to_vector's new prototype.
        * Make-lang.in: c-typeck.c depends on c-common.h.

2012-10-04  Arnaud Charlet  <charlet@adacore.com>

        * c-decl.c (c_write_global_declarations): Fix handling of
        -fdump-ada-spec*.

2012-09-30  Sharad Singhai  <singhai@google.com>

        * c-decl.c (c_write_global_declarations): Use a different method
        to determine if the dump has ben initialized.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

        PR c/54552
        * c-typeck.c (c_cast_expr): When casting to a type requiring
        C_MAYBE_CONST_EXPR to be created, pass the inner expression to
        c_fully_fold first.

2012-09-14  Joseph Myers  <joseph@codesourcery.com>

        PR c/54103
        * c-typeck.c (build_unary_op): Pass original argument of
        TRUTH_NOT_EXPR to c_objc_common_truthvalue_conversion, then remove
        any C_MAYBE_CONST_EXPR, if it has integer operands.
        (build_binary_op): Pass original arguments of TRUTH_ANDIF_EXPR,
        TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR and TRUTH_XOR_EXPR
        to c_objc_common_truthvalue_conversion, then remove any
        C_MAYBE_CONST_EXPR, if they have integer operands.  Use
        c_objc_common_truthvalue_conversion not
        c_common_truthvalue_conversion.
        (c_objc_common_truthvalue_conversion): Build NE_EXPR directly and
        call note_integer_operands for arguments with integer operands
        that are not integer constants.

2012-09-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/54559
        * c-typeck.c (c_finish_return): Do convert to BOOLEAN_TYPE or
        COMPLEX_TYPE with in_late_binary_op set temporarily to true.

2012-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR c/54428
        * c-convert.c (convert): Don't call fold_convert_loc if
        TYPE_MAIN_VARIANT of a COMPLEX_TYPE is the same, unless e
        is a COMPLEX_EXPR.  Remove TYPE_MAIN_VARIANT check from
        COMPLEX_TYPE -> COMPLEX_TYPE conversion.

2012-08-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/54355
        * c-decl.c (c_parser_label): Pass true as nested and fix up comments
        for nested and empty_ok arguments in the call to
        c_parser_declaration_or_fndef.

2012-08-17  Jakub Jelinek  <jakub@redhat.com>

        * c-tree.h (c_last_sizeof_arg): Declare.
        * c-parser.c (struct c_tree_loc_pair): New type.
        (c_parser_expr_list): Add sizeof_arg argument.  Fill it in if
        non-NULL.
        (c_parser_attributes, c_parser_objc_keywordexpr): Adjust callers.
        (c_parser_postfix_expression_after_primary): Likewise.  Call
        sizeof_pointer_memaccess_warning if needed.
        (sizeof_ptr_memacc_comptypes): New function.
        * c-typeck.c (c_last_sizeof_arg): New global variable.
        (c_expr_sizeof_expr, c_expr_sizeof_type): Initialize it.

2012-07-24  Uros Bizjak  <ubizjak@gmail.com>

        * c-lang.h (lang_decl): Add variable_size GTY option.

2012-07-16  Steven Bosscher  <steven@gcc.gnu.org>

        * c-decl.c: Include dumpfile.h instead of tree-dump.h.
        * Make-lang.in: Fix dependencies.

2012-06-29  Steven Bosscher  <steven@gcc.gnu.org>

        * Make-lang.in: New file, rules migrated from gcc/Makefile.in
        and add language Makefile hooks.
        * config-lang.in: New file.
        * c-config-lang.in: Moved from gcc/config-lang.in to here, and
        add the required "normal" config-lang.in rules.
        * c-lang.h: Moved from gcc/ to here.
        * c-tree.h: Likewise.
        * c-objc-common.c: Likewise.
        * c-objc-common.h: Likewise.
        * c-typeck.c: Likewise.
        * c-convert.c: Likewise.
        * c-lang.c: Likewise.
        * c-aux-info.c: Likewise.
        * c-errors.c: Likewise.
        * gccspec.c: Likewise.
        * c-decl.c: Likewise.  Include gt-c-c-decl.h, not gt-c-decl.h.
        * c-parser.c: Likewise.  Include gt-c-c-parser.h, not gt-c-parser.h.
\f
Copyright (C) 2012-2016 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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