re PR fortran/40940 ([F03] CLASS statement)

[gcc.git] / gcc / fortran / ChangeLog

2009-08-10  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40940
        * decl.c (gfc_match_type_spec): Match CLASS statement and warn about
        missing polymorphism.
        * gfortran.h (gfc_typespec): Add field 'is_class'.
        * misc.c (gfc_clear_ts): Initialize 'is_class' to zero.
        * resolve.c (type_is_extensible): New function to check if a derived
        type is extensible.
        (resolve_fl_variable_derived): Add error checks for CLASS variables.
        (resolve_typebound_procedure): Disallow non-polymorphic passed-object
        dummy arguments, turning warning into error.
        (resolve_fl_derived): Use 'type_is_extensible'. Disallow non-polymorphic
        passed-object dummy arguments for procedure pointer components,
        turning warning into error. Add error check for CLASS components.

2009-08-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40955
        * gfortran.h (ext_attr_id_t): Add typedef for this enum.
        (gfc_add_ext_attribute): Use it.
        * decl.c (gfc_match_gcc_attributes): Ditto.
        * expr.c (gfc_check_pointer_assign): Ditto.
        * symbol.c (gfc_add_ext_attribute): Ditto.
        (gfc_copy_attr): Copy also ext_attr.
        * resolve.c (resolve_fl_derived,resolve_symbol): Ditto.
        * module.c (mio_symbol_attribute): Save ext_attr in the mod file.

2009-08-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40969
        Revert:
        2009-08-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40949
        * trans-types.c (gfc_get_function_type): Fix typelist of
        functions without argument.

2009-08-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40847
        * iresolve.c (gfc_resolve_transfer): Correct error in 'mold'
        character length for case where length expresson is NULL.

2009-08-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40949
        * trans-types.c (gfc_get_function_type): Fix typelist of
        functions without argument.

2009-08-04  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40875
        * decl.c (add_init_expr_to_sym): Character symbols can only be
        initialized with character expressions.

2009-08-02  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40881
        * decl.c (match_char_length): Warn about old-style character length
        declarations.
        * match.c (match_arithmetic_if,gfc_match_if): Modify warning message
        for arithmetic if.
        (gfc_match_goto): Warn about computed gotos.
        (gfc_match_return): Warn about alternate return.
        (gfc_match_st_function): Warn about statement functions.
        * resolve.c (resolve_fl_procedure): Modify warning message for
        assumed-length character functions.

2009-08-01  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40011
        * error.c : Add static flag 'warnings_not_errors'.
        (gfc_error): If 'warnings_not_errors' is set, branch to code
        from gfc_warning.
        (gfc_clear_error): Reset 'warnings_not_errors'.
        (gfc_errors_to_warnings): New function.
        * options.c (gfc_post_options): If pedantic and flag_whole_file
        change the latter to a value of 2.
        * parse.c (parse_module): Add module namespace to gsymbol.
        (resolve_all_program_units): New function.
        (clean_up_modules): New function.
        (translate_all_program_units): New function.
        (gfc_parse_file): If whole_file, do not clean up module right
        away and add derived types to namespace derived types. In
        addition, call the three new functions above.
        * resolve.c (not_in_recursive): New function.
        (not_entry_self_reference): New function.
        (resolve_global_procedure): Symbol must not be IFSRC_UNKNOWN,
        procedure must not be in the course of being resolved and
        must return false for the two new functions. Pack away the
        current derived type list before calling gfc_resolve for the
        gsymbol namespace.  It is unconditionally an error if the ranks
        of the reference and ther procedure do not match. Convert
        errors to warnings during call to gfc_procedure_use if not
        pedantic or legacy.
        (gfc_resolve): Set namespace resolved flag to -1 during
        resolution and store current cs_base.
        * trans-decl.c (gfc_get_symbol_decl): If whole_file compilation
        substitute a use associated variable, if it is available in a
        gsymbolnamespace.
        (gfc_get_extern_function_decl): If the procedure is use assoc,
        do not attempt to find it in a gsymbol because it could be an
        interface. If the symbol exists in a module namespace, return
        its backend_decl.
        * trans-expr.c (gfc_trans_scalar_assign): If a derived type
        assignment, set the rhs TYPE_MAIN_VARIANT to that of the rhs.
        * trans-types.c (copy_dt_decls_ifequal): Add 'from_gsym' as a
        boolean argument. Copy component backend_decls directly if the
        components are derived types and from_gsym is true.
        (gfc_get_derived_type): If whole_file copy the derived type from
        the module if it is use associated, otherwise, if can be found
        in another gsymbol namespace, use the existing derived type as
        the TYPE_CANONICAL and build normally.
        * gfortran.h : Add derived_types and resolved fields to
        gfc_namespace. Include prototype for gfc_errors_to_warnings.

2009-07-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40898
        * trans-types.c (gfc_get_function_type): Do not add hidden
        string-length argument for BIND(C) procedures.
        * trans-decl.c (create_function_arglist): Skip over nonexisting
        string-length arguments for BIND(C) procedures.

2009-07-28  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/40878
        * openmp.c (gfc_match_omp_clauses): Use gfc_error_now instead of
        gfc_error to diagnose invalid COLLAPSE arguments.

2009-07-28  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40882
        * trans-types.c (gfc_get_ppc_type): For derived types, directly use the
        backend_decl, instead of calling gfc_typenode_for_spec, to avoid
        infinte loop.
        (gfc_get_derived_type): Correctly handle PPCs returning derived types,
        avoiding infinite recursion.

2009-07-27  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40848
        * interface.c (gfc_compare_interfaces): Call 'count_types_test' before
        'generic_correspondence', and only if checking a generic interface.

2009-07-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40851
        * resolve.c (resolve_symbol): Do not initialize pointer derived-types.
        * trans-decl.c (init_intent_out_dt): Ditto.
        (generate_local_decl): No need to set attr.referenced for DT pointers.

2009-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/33197
        * intrinsic.c (make_generic): Remove assert as "atan" can be
        both ISYM_ATAN and ISYM_ATAN2.
        (add_functions): Add two-argument variant of ATAN.
        * intrinsic.h (gfc_check_atan_2): Add check for it.
        * intrinsic.texi (ATAN2): Correct and enhance description.
        (ATAN): Describe two-argument variant of ATAN.

2009-07-25  Tobias Burnus  <burnus@net-b.de>
            Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33197
        * intrinsic.c (add_functions): Support complex arguments for
        acos,acosh,asin,asinh,atan,atanh.
        * invoke.texi (ACOS,ACOSH,ASIN,ASINH,ATAN,ATANH): Support
        complex arguments.
        * simplify.c (gfc_simplify_acos,gfc_simplify_acosh,
        gfc_simplify_asin,gfc_simplify_asinh,gfc_simplify_atan,
        gfc_simplify_atanh,gfc_simplify_atan,gfc_simplify_asinh,
        gfc_simplify_acosh,gfc_simplify_atanh): Support
        complex arguments.

2009-07-25  Richard Guenther  <rguenther@suse.de>

        PR fortran/40005
        * trans-types.c (gfc_get_array_type_bounds): Use
        build_distinct_type_copy with a proper TYPE_CANONICAL and
        re-use the type-decl of the original type.
        * trans-decl.c (build_entry_thunks): Signal cgraph we may not
        garbage collect.
        (create_main_function): Likewise.
        (gfc_generate_function_code): Likewise.
        * trans-expr.c (gfc_trans_subcomponent_assign): Do not use
        fold_convert on record types.

2009-07-25  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39630
        * decl.c (match_ppc_decl): Implement the PASS attribute for procedure
        pointer components.
        (match_binding_attributes): Ditto.
        * gfortran.h (gfc_component): Add member 'tb'.
        (gfc_typebound_proc): Add member 'ppc' and make 'pass_arg' const.
        * module.c (MOD_VERSION): Bump module version.
        (binding_ppc): New string constants.
        (mio_component): Only use formal args if component is a procedure
        pointer and add 'tb' member.
        (mio_typebound_proc): Include pass_arg and take care of procedure
        pointer components.
        * resolve.c (update_arglist_pass): Add argument 'name' and take care of
        optional arguments.
        (extract_ppc_passed_object): New function, analogous to
        extract_compcall_passed_object, but for procedure pointer components.
        (update_ppc_arglist): New function, analogous to
        update_compcall_arglist, but for procedure pointer components.
        (resolve_typebound_generic_call): Added argument to update_arglist_pass.
        (resolve_ppc_call, resolve_expr_ppc): Take care of PASS attribute.
        (resolve_fl_derived): Check the PASS argument for procedure pointer
        components.
        * symbol.c (verify_bind_c_derived_type): Reject procedure pointer
        components in BIND(C) types.

2009-07-24  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40822
        * array.c (gfc_resolve_character_array_constructor): Use new function
        gfc_new_charlen.
        * decl.c (add_init_expr_to_sym,variable_decl,match_char_spec,
        gfc_match_implicit): Ditto.
        * expr.c (gfc_simplify_expr): Ditto.
        * gfortran.h (gfc_new_charlen): New prototype.
        * iresolve.c (check_charlen_present,gfc_resolve_char_achar): Use new
        function gfc_new_charlen.
        * module.c (mio_charlen): Ditto.
        * resolve.c (gfc_resolve_substring_charlen,
        gfc_resolve_character_operator,fixup_charlen,resolve_fl_derived,
        resolve_symbol): Ditto.
        * symbol.c (gfc_new_charlen): New function to create a new gfc_charlen
        structure and add it to a namespace.
        (gfc_copy_formal_args_intr): Make sure ts.cl is present
        for CHARACTER variables.

2009-07-24  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/40643
        PR fortran/31067
        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc,
        gfc_conv_intrinsic_minmaxval): Handle Infinities and NaNs properly,
        optimize.
        * trans-array.c (gfc_trans_scalarized_loop_end): No longer static.
        * trans-array.h (gfc_trans_scalarized_loop_end): New prototype.

2009-07-23  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/40839
        * io.c (gfc_resolve_dt): Add LOC argument.  Fail if
        dt->io_unit is NULL.  Return FAILURE after issuing error about
        negative UNIT number.
        (match_io_element): Don't segfault if current_dt->io_unit is NULL.
        * gfortran.h (gfc_resolve_dt): Adjust prototype.
        * resolve.c (resolve_code): Adjust caller.

2009-07-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40796
        * trans-decl.c (generate_local_decl): Unreferenced result
        variables with allocatable components should be treated like
        INTENT_OUT dummy variables.

2009-07-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * trans.h (gfc_set_decl_assembler_name): New prototype.
        * trans-decl.c (gfc_set_decl_assembler_name): New function.
        (gfc_get_symbol_decl, gfc_get_extern_function_decl,
        build_function_decl): Use gfc_set_decl_assembler_name instead of
        SET_DECL_ASSEMBLER_NAME.
        * trans-common.c (build_common_decl): Use
        gfc_set_decl_assembler_name instead of SET_DECL_ASSEMBLER_NAME.

2009-07-21  Richard Guenther  <rguenther@suse.de>

        PR fortran/40726
        * trans-decl.c (gfc_get_extern_function_decl): Do not set
        DECL_IS_MALLOC for pointer valued functions.
        (build_function_decl): The same.

2009-07-19  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/40727
        * fortran/check.c (gfc_check_cmplx, gfc_check_dcmplx): Add check that
        the optional second argument isn't of COMPLEX type.

2009-07-17  Richard Guenther  <rguenther@suse.de>

        PR c/40401
        * f95-lang.c (gfc_be_parse_file): Do not finalize the CU here.
        * trans-decl.c (gfc_gimplify_function): Remove.
        (build_entry_thunks): Do not gimplify here.
        (create_main_function): Likewise.
        (gfc_generate_function_code): Likewise.

2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 40435 
        * trans-expr.c, trans-array.c, trans-openmp.c, trans-stmt.c,
        trans.c, trans-io.c, trans-decl.c, trans-intrinsic.c: Add location
        argument to fold_{unary,binary,ternary}, fold_build[123],
        build_call_expr, build_size_arg, build_fold_addr_expr,
        build_call_array, non_lvalue, size_diffop,
        fold_build1_initializer, fold_build2_initializer,
        fold_build3_initializer, fold_build_call_array,
        fold_build_call_array_initializer, fold_single_bit_test,
        omit_one_operand, omit_two_operands, invert_truthvalue,
        fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
        combine_comparisons, fold_builtin_*, fold_call_expr,
        build_range_check, maybe_fold_offset_to_address, round_up,
        round_down.

2009-07-15  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40743
        * resolve.c (resolve_symbol): Don't resolve the formal namespace of a
        contained procedure.

2009-07-14  Taras Glek  <tglek@mozilla.com>
            Rafael Espindola  <espindola@google.com>

        * Make-lang.in (fortran.install-plugin): New target for
        installing plugin headers.

2009-07-13  H.J. Lu  <hongjiu.lu@intel.com>

        * module.c (mio_symbol): Remove the unused variable, formal.

2009-07-13  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40646
        * module.c (mio_symbol): If the symbol has formal arguments,
        the formal namespace will be present.
        * resolve.c (resolve_actual_arglist): Correctly handle 'called'
        procedure pointer components as actual arguments.
        (resolve_fl_derived,resolve_symbol): Make sure the formal namespace
        is present.
        * trans-expr.c (gfc_conv_procedure_call): Correctly handle the formal
        arguments of procedure pointer components.

2009-07-12  Tobias Burnus  <burnus@net-b.de>
            Philippe Marguinaud <philippe.marguinaud@meteo.fr>

        PR fortran/40588
        * primary.c (match_charkind_name): Fix condition for $ matching.

        PR libfortran/22423
        * libgfortran.h: Typedef the GFC_DTYPE_* enum.

2009-07-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/33197
        * check.c (gfc_check_fn_rc2008): New function.
        * intrinsic.h (gfc_check_fn_rc2008): New prototype.
        * intrinsic.c (add_functions): Add complex tan, cosh, sinh,
        and tanh.

2009-07-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39334
        * primary.c (match_kind_param): Return MATCH_NO if the symbol
        has no value.

2008-07-09  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40629
        * resolve.c (check_host_association):  Use the existing
        accessible symtree and treat function expressions with
        symbols that have procedure flavor.

2009-07-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40646
        * dump-parse-tree.c (show_expr): Renamed 'is_proc_ptr_comp'.
        * expr.c (is_proc_ptr_comp): Renamed to 'gfc_is_proc_ptr_comp'.
        (gfc_check_pointer_assign): Renamed 'is_proc_ptr_comp'.
        (replace_comp,gfc_expr_replace_comp): New functions, analogous
        to 'replace_symbol' and 'gfc_expr_replace_symbol', just with components
        instead of symbols.
        * gfortran.h (gfc_expr_replace_comp): New prototype.
        (is_proc_ptr_comp): Renamed to 'gfc_is_proc_ptr_comp'.
        * interface.c (compare_actual_formal): Renamed 'is_proc_ptr_comp'.
        * match.c (gfc_match_pointer_assignment): Ditto.
        * primary.c (gfc_match_varspec): Handle array-valued procedure pointers
        and procedure pointer components. Renamed 'is_proc_ptr_comp'.
        * resolve.c (resolve_fl_derived): Correctly handle interfaces with
        RESULT statement, and handle array-valued procedure pointer components.
        (resolve_actual_arglist,resolve_ppc_call,resolve_expr_ppc): Renamed
        'is_proc_ptr_comp'.
        * trans-array.c (gfc_walk_function_expr): Ditto.
        * trans-decl.c (gfc_get_symbol_decl): Security check for presence of
        ns->proc_name.
        * trans-expr.c (gfc_conv_procedure_call): Handle array-valued procedure
        pointer components. Renamed 'is_proc_ptr_comp'.
        (conv_function_val,gfc_trans_arrayfunc_assign): Renamed
        'is_proc_ptr_comp'.
        (gfc_get_proc_ptr_comp): Do not modify the argument 'e', but instead
        make a copy of it.
        * trans-io.c (gfc_trans_transfer): Handle array-valued procedure
        pointer components.

2009-07-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40604
        * intrinsic.c (gfc_convert_type_warn): Set sym->result.
        * trans-expr.c (gfc_conv_procedure_call): Fix -fcheck=pointer
        for optional arguments.

2009-07-08  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40675
        * simplify.c (gfc_simplify_sign): Handle signed zero correctly.
        * trans-intrinsic.c (gfc_conv_intrinsic_sign): Support
        -fno-sign-zero.
        * invoke.texi (-fno-sign-zero): Add text regarding SIGN intrinsic.

2008-07-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40591
        * decl.c (match_procedure_interface):  Correct the association
        or creation of the interface procedure's symbol.

2009-07-04  Jakub Jelinek  <jakub@redhat.com>

        * trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): For integer
        maxloc initialize limit to -huge-1 rather than just -huge.

2009-07-04  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40593
        * interface.c (compare_actual_formal): Take care of proc-pointer-valued
        functions as actual arguments.
        * trans-expr.c (gfc_conv_procedure_call): Ditto.
        * resolve.c (resolve_specific_f0): Use the correct ts.

2009-07-02  Michael Matz  <matz@suse.de>

        PR fortran/32131
        * trans-array.c (gfc_conv_descriptor_stride_get): Return
        constant one for strides in the first dimension of ALLOCATABLE
        arrays.

2009-06-30  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40594
        * trans-types.c (gfc_get_derived_type): Bugfix, reverting one hunk from
        r147206.

2009-06-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40580
        * trans-expr.c  (gfc_conv_procedure_call): Add -fcheck=pointer check.
        * libgfortran.h: Add GFC_RTCHECK_POINTER.
        * invoke.texi (-fcheck): Document new pointer option.
        * options.c (gfc_handle_runtime_check_option): Handle pointer option.

        * gfortran.texi (C Binding): Improve wording.
        * iso-c-binding.def: Remove obsolete comment.

2009-06-29  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40551
        * dependency.h : Add second bool* argument to prototype of
        gfc_full_array_ref_p.
        * dependency.c (gfc_full_array_ref_p): If second argument is
        present, return true if last dimension of reference is an
        element or has unity stride.
        * trans-array.c : Add NULL second argument to references to
        gfc_full_array_ref_p.
        * trans-expr.c : The same, except for;
        (gfc_trans_arrayfunc_assign): Return fail if lhs reference
        is not a full array or a contiguous section.

2009-06-28  Tobias Burnus  <burnus@net-b.de>
            Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/34112
        * symbol.c (gfc_add_ext_attribute): New function.
        (gfc_get_sym_tree): New argument allow_subroutine.
        (gfc_get_symbol,gfc_get_ha_sym_tree,gen_cptr_param,gen_fptr_param
        gen_shape_param,generate_isocbinding_symbol): Use it.
        * decl.c (find_special): New argument allow_subroutine.
        (add_init_expr_to_sym,add_hidden_procptr_result,attr_decl1,
        match_procedure_in_type,gfc_match_final_decl): Use it.
        (gfc_match_gcc_attributes): New function.
        * gfortran.texi (Mixed-Language Programming): New section
        "GNU Fortran Compiler Directives".
        * gfortran.h (ext_attr_t): New struct.
        (symbol_attributes): Use it.
        (gfc_add_ext_attribute): New prototype.
        (gfc_get_sym_tree): Update pototype.
        * expr.c (gfc_check_pointer_assign): Check whether call
        convention is the same.
        * module.c (import_iso_c_binding_module, create_int_parameter,
        use_iso_fortran_env_module): Update gfc_get_sym_tree call.
        * scanner.c (skip_gcc_attribute): New function.
        (skip_free_comments,skip_fixed_comments): Use it.
        (gfc_next_char_literal): Support !GCC$ lines.
        * resolve.c (check_host_association): Update
        gfc_get_sym_tree call.
        * match.c (gfc_match_sym_tree,gfc_match_call): Update
        gfc_get_sym_tree call.
        * trans-decl.c (add_attributes_to_decl): New function.
        (gfc_get_symbol_decl,get_proc_pointer_decl,
        gfc_get_extern_function_decl,build_function_decl: Use it.
        * match.h (gfc_match_gcc_attributes): Add prototype.
        * parse.c (decode_gcc_attribute): New function.
        (next_free,next_fixed): Support !GCC$ lines.
        * primary.c (match_actual_arg,check_for_implicit_index,
        gfc_match_rvalue,gfc_match_rvalue): Update
        gfc_get_sym_tree call.

2009-06-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gfortran.h: Define HAVE_mpc_pow.
        * arith.c (complex_reciprocal, complex_pow): If HAVE_mpc_pow,
        don't define these functions.
        (arith_power): If HAVE_mpc_pow, use mpc_pow.

2009-06-26  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39997
        PR fortran/40541
        * decl.c (add_hidden_procptr_result): Copy the typespec to the hidden
        result.
        * expr.c (gfc_check_pointer_assign): Enable interface check for
        procedure pointer assignments where the rhs is a function returning a
        procedure pointer.
        * resolve.c (resolve_symbol): If an external procedure with unspecified
        return type can not be implicitly typed, it must be a subroutine.

2009-06-24  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40427
        * gfortran.h (gfc_component): New member 'formal_ns'.
        (gfc_copy_formal_args_ppc,void gfc_ppc_use): New.
        * interface.c (gfc_ppc_use): New function, analogous to
        gfc_procedure_use, but for procedure pointer components.
        * module.c (MOD_VERSION): Bump module version.
        (mio_component): Treat formal arguments.
        (mio_formal_arglist): Changed argument from gfc_symbol to
        gfc_formal_arglist.
        (mio_symbol): Changed argument of mio_formal_arglist.
        * resolve.c (resolve_ppc_call,resolve_expr_ppc): Call gfc_ppc_use,
        to check actual arguments and treat formal args correctly.
        (resolve_fl_derived): Copy formal args of procedure pointer components
        from their interface.
        * symbol.c (gfc_copy_formal_args_ppc): New function, analogous to
        gfc_copy_formal_args, but for procedure pointer components.

2009-06-22  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/37254
        PR fortran/39850
        * interface.c (compare_parameter): Set implicit type for function
        actual arguments with BT_UNKNOWN.

2009-06-22  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40472
        PR fortran/50520
        * simplify.c (gfc_simplify_spread): Fix the case that source=
        is a scalar.

2009-06-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40443
        * interface.c (gfc_search_interface): Hold back a match to an
        elementary procedure until all other possibilities are
        exhausted.

2009-06-22  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40472
        * simplify.c (gfc_simplify_spread): Restrict the result size to
        the limit for an array constructor.

2009-06-21  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39850
        * interface.c (gfc_compare_interfaces): Take care of implicit typing
        when checking the function attribute. Plus another bugfix.
        (compare_parameter): Set attr.function and attr.subroutine according
        to the usage of a procedure as actual argument.

2009-06-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40452
        * trans-decl.c (add_argument_checking): Disable bounds check
        for allowed argument storage association.

2009-06-19  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40440
        * trans-expr.c (gfc_conv_procedure_call): Do not deallocate
        allocatable components if the argument is a pointer.

2009-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gfortran.h (gfc_expr): Use mpc_t to represent complex numbers.

        * arith.c, dump-parse-tree.c, expr.c, module.c, resolve.c,
        simplify.c, target-memory.c, target-memory.h, trans-const.c,
        trans-expr.c: Convert to mpc_t throughout.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * cpp.c (struct gfc_cpp_option_data): Give this struct, used for
        the global variable gfc_cpp_option, a name.

2009-06-19  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40450
        * trans-expr.c (gfc_conv_procedure_call): Only add an extra addr_expr
        to a procedure pointer actual argument, if it is not itself a
        dummy arg.

2009-06-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40451
        * resolve.c (resolve_contained_fntype): Prevent implicit typing for
        procedures with explicit interface.
        * symbol.c (gfc_check_function_type): Ditto.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * decl.c (build_struct): Rewrite loop over constructor elements.

2009-06-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/36947
        PR fortran/40039
        * expr.c (gfc_check_pointer_assign): Call 'gfc_compare_interfaces' with
        error message.
        * gfortran.h (gfc_compare_interfaces): Additional argument.
        * interface.c (operator_correspondence): Removed.
        (gfc_compare_interfaces): Additional argument to return error message.
        Directly use the code from 'operator_correspondence' instead of calling
        the function. Check for OPTIONAL. Some rearrangements.
        (check_interface1): Call 'gfc_compare_interfaces' without error message.
        (compare_parameter): Call 'gfc_compare_interfaces' with error message.
        * resolve.c (check_generic_tbp_ambiguity): Call 'gfc_compare_interfaces'
        without error message.

2009-06-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40383
        * trans-decl.c (create_function_arglist): Copy formal charlist to
        have a proper passed_length for -fcheck=bounds.

2009-06-12  Steven G. Kargl  <kargls@comcast.net>

        * arith.c (gfc_enum_initializer): Move function ...
        * decl.c: ... here.  Remove gfc_ prefix and make static.
        (enumerator_decl): Update function call.
        * gfortran.h:  Remove gfc_enum_initializer prototype.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

        * trans-array.c (gfc_trans_allocate_array_storage): Pass
        location on down.
        (gfc_trans_array_constructor_value): Same.
        (gfc_trans_scalarized_loop_end): Same.
        (gfc_conv_ss_startstride): Same.
        (gfc_trans_g77_array): Same.
        (gfc_trans_dummy_array_bias): Same.
        (gfc_conv_array_parameter): Same.
        (structure_alloc_comps): Same.
        * trans-expr.c (gfc_conv_function_call): Same.
        (fill_with_spaces): Same.
        (gfc_trans_string_copy): Same.
        (gfc_trans_scalar_assign): Same.
        * trans-stmt.c (gfc_trans_goto): Same.
        (gfc_trans_if_1): Same.
        (gfc_trans_simple_do): Same.
        (gfc_trans_do): Same.
        (gfc_trans_do_while): Same.
        (gfc_trans_logical_select): Same.
        (gfc_trans_select): Same.
        (gfc_trans_forall_loop): Same.
        (gfc_trans_nested_forall_loop): Same.
        (generate_loop_for_temp_to_lhs): Same.
        (generate_loop_for_rhs_to_temp): Same.
        (gfc_trans_forall_1): Same.
        (gfc_trans_where_assign): Same.
        (gfc_trans_where_3): Same.
        (gfc_trans_allocate): Same.
        * trans.c (gfc_finish_block): Same.
        (gfc_trans_runtime_check): Same.
        (gfc_call_malloc): Same.
        (gfc_allocate_with_status): Same.
        (gfc_call_free): Same.
        (gfc_deallocate_with_status): Same.
        (gfc_call_realloc): Same.
        (gfc_trans_code): Same.
        * trans-decl.c (gfc_init_default_dt): Same.
        (gfc_generate_constructors): Same.
        * trans-io.c (gfc_trans_io_runtime_check): Same.
        * trans-intrinsic.c (gfc_conv_intrinsic_ctime): Same.
        (gfc_conv_intrinsic_fdate): Same.
        (gfc_conv_intrinsic_ttynam): Same.
        (gfc_conv_intrinsic_minmax): Same.
        (gfc_conv_intrinsic_minmax_char): Same.
        (gfc_conv_intrinsic_anyall): Same.
        (gfc_conv_intrinsic_count): Same.
        (gfc_conv_intrinsic_arith): Same.
        (gfc_conv_intrinsic_minmaxloc): Same.
        (gfc_conv_intrinsic_minmaxval): Same.
        (gfc_conv_intrinsic_rrspacing): Same.
        (gfc_conv_intrinsic_array_transfer): Same.
        (gfc_conv_intrinsic_trim): Same.
        (gfc_conv_intrinsic_repeat): Same.
        
2009-06-12  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40176
        * resolve.c (resolve_symbol): Additional error check, preventing an
        infinite loop.

2009-06-11  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40402
        * resolve.c (next_data_value): It is an error if the value is
        not constant.

2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/38718
        * intrinsic.c (add_functions): Add simplifiers for ISNAN,
        IS_IOSTAT_END and IS_IOSTAT_EOR.
        * intrinsic.h (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
        gfc_simplify_isnan): New prototypes.
        * intrinsic.c (gfc_simplify_is_iostat_end, gfc_simplify_is_iostat_eor,
        gfc_simplify_isnan): New functions.

2009-06-11  Jakub Jelinek  <jakub@redhat.com>

        * interface.c (fold_unary): Rename to...
        (fold_unary_intrinsic): ... this.
        (gfc_extend_expr): Adjust caller.
        (gfc_match_generic_spec): Likewise.  Initialize *op to INTRINSIC_NONE
        to avoid warnings.
        * expr.c (gfc_simplify_expr): Initialize start and end before calling
        gfc_extract_int.

2009-06-10  Dave Korn  <dave.korn.cygwin@gmail.com>

        * trans-decl.c (create_main_function):  Don't build main decl twice.

2009-06-09  Tobias Burnus  <burnus@net-b.de>

        * trans-decl.c (gfc_generate_function_code): Use gfc_option.rtcheck
        instead of flag_bounds_check.
        * intrinsic.texi (ISO_FORTRAN_ENV): Document INT{8,16,32,64} and
        REAL{32,64,128}.

2009-06-08  Paul Thomas  <pault@gcc.gnu.org>

        * trans-array.h : Replace prototypes for
        gfc_conv_descriptor_offset, gfc_conv_descriptor_stride,
        gfc_conv_descriptor_lbound, gfc_conv_descriptor_ubound with new
        prototypes of the same names with _get or _set appended.
        * trans-array.c : Make the originals of the above static and
        new functions for the _get and _set functions. Update all the
        references to these descriptor access functions.
        * trans-expr.c : Update references to the above descriptor
        access functions.
        * trans-intrinsic.c : The same.
        * trans-openmp.c : The same.
        * trans-stmt.c : The same.

2009-06-08  Alexandre Oliva  <aoliva@redhat.com>

        * options.c (gfc_post_options): Disable dump_parse_tree
        during -fcompare-debug-second.

2009-06-07  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        PR fortran/40008
        * gfortran.h (gfc_open): Add newunit expression to structure.
        * io.c (io_tag): Add new unit tag and fix whitespace.
        (match_open_element): Add matching for newunit.
        (gfc_free_open): Free the newunit expression.
        (gfc_resolve_open): Add newunit to resolution and check constraints.
        (gfc_resolve_close): Add check for non-negative unit.
        (gfc_resolve_filepos): Likewise.
        (gfc_resolve_dt): Likewise.
        * trans-io.c (set_parameter_value): Build runtime checks for unit
        numbers within range of kind=4 integer. (gfc_trans_open) Set the
        newunit parameter.
        * ioparm.def (IOPARM): Define the newunit parameter as a pointer
        to GFC_INTEGER_4, pint4.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/25104
        PR fortran/29962
        * array.c (gfc_append_constructor): Added NULL-check.
        * check.c (gfc_check_spread): Check DIM.
        (gfc_check_unpack): Check that the ARRAY arguments provides enough
        values for MASK.
        * intrinsic.h (gfc_simplify_spread): New prototype.
        (gfc_simplify_unpack): Likewise.
        * intrinsic.c (add_functions): Added new simplifier callbacks.
        * simplify.c (gfc_simplify_spread): New.
        (gfc_simplify_unpack): New.
        * expr.c (check_transformational): Allow additional transformational
        intrinsics in initialization expression.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/25104
        PR fortran/29962
        * check.c (gfc_check_all_any): Check rank of DIM.
        (gfc_check_count): Likewise.
        * intrinsic.h (gfc_simplify_all): New prototype.
        (gfc_simplify_any): Likewise.
        (gfc_simplify_count): Likewise.
        (gfc_simplify_sum): Likewise.
        (gfc_simplify_product): Likewise.
        * intrinsic.c (add_functions): Added new simplifier callbacks.
        * simplify.c (transformational_result): New.
        (simplify_transformation_to_scalar): New.
        (simplify_transformation_to_array): New.
        (gfc_count): New.
        (gfc_simplify_all): New.
        (gfc_simplify_any): New.
        (gfc_simplify_count): New.
        (gfc_simplify_sum): New.
        (gfc_simplify_product): New.
        * expr.c (check_transformational): Allow additional transformational
        intrinsics in initialization expression.

2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

        * check.c (dim_rank_check): Return SUCCESS if DIM=NULL.
        (gfc_check_lbound): Removed (now) redundant check for DIM=NULL.
        (gfc_check_minloc_maxloc): Likewise.
        (check_reduction): Likewise.
        (gfc_check_size): Likewise.
        (gfc_check_ubound): Likewise.
        (gfc_check_cshift): Added missing shape-conformance checks.
        (gfc_check_eoshift): Likewise.
        * gfortran.h (gfc_check_conformance): Modified prototype to printf-style.
        * expr.c (gfc_check_conformance): Accept error-message chunks in 
        printf-style. Changed all callers.


2009-06-07  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/25104
        PR fortran/29962
        * intrinsic.h (gfc_simplify_dot_product): New prototype.
        (gfc_simplify_matmul): Likewise.
        (gfc_simplify_transpose): Likewise.
        * intrinsic.c (add_functions): Added new simplifier callbacks.
        * simplify.c (init_result_expr): New.
        (compute_dot_product): New.
        (gfc_simplify_dot_product): New.
        (gfc_simplify_matmul): New.
        (gfc_simplify_transpose): New.
        * expr.c (check_transformational): Allow transformational intrinsics
        with simplifier in initialization expression.

2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/37203
        * simplify.c (gfc_simplify_reshape): Fixed reshaping of empty arrays
        without padding.

2009-06-06  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/32890
        * intrinsic.h (gfc_simplify_pack): New prototype.
        * intrinsic.c (add_functions): Added
        simplifier-callback to PACK.
        * simplify.c (is_constant_array_expr): Moved
        to beginning of file.
        (gfc_simplify_pack): New.
        * check.c (gfc_check_pack): Check that VECTOR has enough elements.
        Added safeguards for empty arrays.

2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * simplify.c (call_mpc_func): Use mpc_realref/mpc_imagref
        instead of MPC_RE/MPC_IM.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

        * trans-decl.c (gfc_build_qualified_array): Don't skip generation
        of range types.
        * trans.h (struct lang_type): Add base_decls.
        (GFC_TYPE_ARRAY_BASE_DECL): New.
        * trans-types.c (gfc_get_array_type_bounds): Initialize base decls
        proactively and excessively.
        (gfc_get_array_descr_info): Use existing base decls if available.

2009-06-04  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/37203
        * check.c (gfc_check_reshape): Additional checks for the
        SHAPE and ORDER arguments.
        * simplify.c (gfc_simplify_reshape): Converted argument checks
        to asserts.

2009-06-03  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi: Add mixed-language programming, mention
        varying string lengths, some clean up of introduction parts.
        * intrinsic.texi (instrinsic modules): Create @menu for subsections.
        (ISO_C_BINDING): Support ISOCBINDING_INT_FAST128_T.
        * libgfortran.h: Comment to rember to keep gfortran.texi in sync.
        * iso-c-binding.def: Support ISOCBINDING_INT_FAST128_T.

2009-06-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        * iso-c-binding.def: Use INTMAX_TYPE instead of intmax_type_node.
        * trans-types.c (init_c_interop_kinds): Remove intmax_type_node.

2009-06-03  Alexandre Oliva  <aoliva@redhat.com>

        * module.c (mio_f2k_derived): Initialize cur.

2009-06-01  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40309
        * trans-decl.c (gfc_sym_identifier): Use "MAIN__" for PROGRAM "main".
        (create_main_function): Set main_identifier_node.

2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/40019
        * trans-types.c (gfc_build_uint_type): Make nonstatic.
        * trans.h (gfor_fndecl_clz128, gfor_fndecl_ctz128): New prototypes.
        * trans-types.h (gfc_build_uint_type): Add prototype.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Build
        gfor_fndecl_clz128 and gfor_fndecl_ctz128.
        * trans-intrinsic.c (gfc_conv_intrinsic_leadz,
        gfc_conv_intrinsic_trailz): Call the right builtins or library
        functions, and cast arguments to unsigned types first.
        * simplify.c (gfc_simplify_leadz): Deal with negative arguments.

2009-05-27  Ian Lance Taylor  <iant@google.com>

        * Make-lang.in (gfortran$(exeext)): Change $(COMPILER) to
        $(LINKER).
        (f951$(exeext)): Likewise.

2009-05-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40270
        * trans-decl.c (create_main_function): Mark MAIN__ and
        argc/argv as TREE_USED and push/pop function_decl context
        if needed.

2009-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39178
        * gfortranspec.c (lang_specific_driver): Stop linking
        libgfortranbegin.
        * trans-decl.c (gfc_build_builtin_function_decls): Stop
        making MAIN__ publicly visible.
        (gfc_build_builtin_function_decls): Add
        gfor_fndecl_set_args.
        (create_main_function) New function.
        (gfc_generate_function_code): Use it.

2009-05-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40246
        * match.c (gfc_match_nullify): NULLify freed pointer.

2009-05-26  Ian Lance Taylor  <iant@google.com>

        * Make-lang.in (gfortranspec.o): Use $(COMPILER).
        (gfortran$(exeext), f951$(exeext), fortran/cpp.o): Likewise.

2009-05-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gfortran.h (GFC_MPC_RND_MODE): New.
        * simplify.c (call_mpc_func): New helper function.
        (gfc_simplify_cos, gfc_simplify_exp, gfc_simplify_log,
        gfc_simplify_sin, gfc_simplify_sqrt): Add MPC support.

2009-05-25  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40176
        * primary.c (gfc_match_varspec): Handle procedure pointer components
        with array return value.
        * resolve.c (resolve_expr_ppc): Ditto.
        (resolve_symbol): Make sure the interface of a procedure pointer has
        been resolved.
        * trans-array.c (gfc_walk_function_expr): Handle procedure pointer
        components with array return value.
        * trans-expr.c (gfc_conv_component_ref,gfc_conv_procedure_call,
        gfc_trans_arrayfunc_assign): Ditto.
        (gfc_trans_pointer_assignment): Handle procedure pointer assignments,
        where the rhs is a dummy argument.
        * trans-types.c (gfc_get_ppc_type,gfc_get_derived_type): Handle
        procedure pointer components with array return value.

2009-05-24  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
            Dominique Dhumieres

        PR fortran/35732
        PR fortran/39872
        * trans-array.c (gfc_conv_ss_startstride): Add one to index.

2009-05-22  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/40195
        * module.c (read_md5_from_module_file): Close file before returning.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40164
        * primary.c (gfc_match_rvalue): Handle procedure pointer components in
        arrays.
        * resolve.c (resolve_ppc_call,resolve_expr_ppc): Resolve component and
        array references.
        (resolve_fl_derived): Procedure pointer components are not required to
        have constant array bounds in their return value.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

        * intrinsic.c (add_sym): Fix my last commit (r147655),
        which broke bootstrap.

2009-05-18  Richard Guenther  <rguenther@suse.de>

        PR fortran/40168
        * trans-expr.c (gfc_trans_zero_assign): For local array
        destinations use an assignment from an empty constructor.

2009-05-18  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/36947
        PR fortran/40039
        * expr.c (gfc_check_pointer_assign): Check intents when comparing
        interfaces.
        * gfortran.h (typedef struct gfc_intrinsic_arg): Add 'intent' member.
        (gfc_compare_interfaces): Additional argument.
        * interface.c (operator_correspondence): Add check for equality of
        intents, and new argument 'intent_check'.
        (gfc_compare_interfaces): New argument 'intent_check', which is passed
        on to operator_correspondence.
        (check_interface1): Don't check intents when comparing interfaces.
        (compare_parameter): Do check intents when comparing interfaces.
        * intrinsic.c (add_sym): Add intents for arguments of intrinsic
        procedures.
        (add_sym_1,add_sym_1s,add_sym_1m,add_sym_2,add_sym_2s,add_sym_3,
        add_sym_3ml,add_sym_3red,add_sym_3s,add_sym_4): Use INTENT_IN by
        default.
        (add_sym_1_intent,add_sym_1s_intent,add_sym_2s_intent,add_sym_3s_intent)
        : New functions to add intrinsic symbols, specifying custom intents.
        (add_sym_4s,add_sym_5s): Add new arguments to specify intents.
        (add_functions,add_subroutines): Add intents for various intrinsics.
        * resolve.c (check_generic_tbp_ambiguity): Don't check intents when
        comparing interfaces.
        * symbol.c (gfc_copy_formal_args_intr): Copy intent.

2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * iso-fortran-env.def: Define INT8, INT16, INT32, INT64, REAL32,
        REAL64 and REAL128.
        * gfortran.h (gfc_get_int_kind_from_width_isofortranenv,
        gfc_get_real_kind_from_width_isofortranenv): New prototypes.
        * iso-c-binding.def: Update definitions for the INT*_T,
        INT_LEAST*_T and INT_FAST*_T named parameters.
        * trans-types.c (get_typenode_from_name, get_int_kind_from_name,
        gfc_get_real_kind_from_width_isofortranenv): New functions.

2009-05-17  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36260
        * intrinsic.c (add_functions, add_subroutines): Fix argument
        names and wrap long lines.
        * intrinsic.texi: Fix documentation and argument names of
        LOG_GAMMA, DATAN2, DBESJN, DTIME, ETIME, FSTAT, STAT, LSTAT,
        GET_COMMAND, IDATE, LTIME, MOVE_ALLOC, NINT, OR, PRODUCT,
        SUM, RAND, RANDOM_SEED, REAL, SELECTED_INT_KIND,
        SELECTED_REAL_KIND and XOR.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/33197
        * intrinsic.c (add_functions): Use ERFC_SCALED simplification.
        * intrinsic.h (gfc_simplify_erfc_scaled): New prototype.
        * simplify.c (fullprec_erfc_scaled, asympt_erfc_scaled,
        gfc_simplify_erfc_scaled): New functions.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/31243
        * resolve.c (resolve_substring): Don't allow too large substring
        indexes.
        (gfc_resolve_substring_charlen): Fix typo.
        (gfc_resolve_character_operator): Fix typo.
        (resolve_charlen): Catch unreasonably large string lengths.
        * simplify.c (gfc_simplify_len): Don't error out on LEN
        range checks.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36031
        * decl.c (set_enum_kind): Use global short-enums flag.
        * gfortran.h (gfc_option_t): Remove short_enums flag.
        * lang.opt (-fshort-enums): Refer to C documentation.
        * options.c (gfc_init_options, gfc_handle_option): Use global
        short-enums flag.

2009-05-15  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39352
        * f95-lang.c: Add gfc_maybe_initialize_eh.
        * gfortran.h: Add gfc_maybe_initialize_eh prototype.
        * Make-lang.in: Add new .h dendencies for f95-lang.c
        * openmp.c (resolve_omp_do): Call gfc_maybe_initialize_eh.
        * misc.c (gfc_free): Avoid #define trickery for free.

2009-05-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        * dump-parse-tree.c (show_code_node): Add ERRMSG to the dumping
        of allocate and deallocate statements.

2009-05-14  Ian Lance Taylor  <iant@google.com>

        * decl.c (match_attr_spec): Change d to unsigned int.
        * dump-parse-tree.c (show_namespace): Change op to int.  Add cast.
        * interface.c (gfc_check_interfaces): Change i to int.  Add casts.
        * module.c (read_module): Change i to int.  Add cast.
        (write_module): Change i to int.
        * symbol.c (gfc_get_namespace): Change in to int.
        (gfc_free_namespace): Change i to int.
        * trans-io.c (gfc_build_io_library_fndecls): Change ptype to
        unsigned int.  Add cast.
        * trans-types.c (gfc_init_kinds): Change mode to unsigned int.
        Add casts.

2009-05-14  Daniel Kraft  <d@domob.eu>

        PR fortran/40045
        * dump-parse-tree.c (show_typebound): Fix missing adaption to new
        type-bound procedure storage structure.

2009-05-14  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39996
        * decl.c (gfc_match_function_decl): Use gfc_add_type.
        * symbol.c (gfc_add_type): Better checking for duplicate types in
        function declarations. And: Always give an error for duplicte types,
        not just a warning with -std=gnu.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/39865
        * io.c (resolve_tag_format): CHARACTER array in FMT= argument
        isn't an extension.  Reject non-CHARACTER array element of
        assumed shape or pointer or assumed size array.
        * trans-array.c (array_parameter_size): New function.
        (gfc_conv_array_parameter): Add size argument.  Call
        array_parameter_size if it is non-NULL.
        * trans-array.h (gfc_conv_array_parameter): Adjust prototype.
        * trans-expr.c (gfc_conv_function_call, gfc_trans_arrayfunc_assign):
        Adjust callers.
        * trans-intrinsic.c (gfc_conv_intrinsic_loc): Likewise.
        * trans-io.c (gfc_convert_array_to_string): Rewritten.

2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        * gfortran.h (gfc_code): Rename struct member expr to expr1.
        * openmp.c (resolve_omp_atomic): Update expr to expr1.
        * interface.c (gfc_extend_assign): Ditto.
        * trans-expr.c (gfc_conv_expr_reference, gfc_trans_assignment,
        gfc_trans_init_assign): Ditto.
        * dump-parse-tree.c (show_code_node): Ditto.
        * trans-openmp.c (gfc_trans_omp_atomic): Ditto.
        * trans-stmt.c ( gfc_trans_label_assign, gfc_trans_goto, gfc_trans_call,
        gfc_trans_return, gfc_trans_pause, gfc_trans_stop, gfc_trans_if_1,
        gfc_trans_arithmetic_if, gfc_trans_do_while, gfc_trans_integer_select,
        gfc_trans_logical_select, gfc_trans_character_select
        forall_make_variable_temp, check_forall_dependencies
        gfc_trans_forall_1, gfc_trans_where_2, gfc_trans_where_3
        gfc_trans_where, gfc_trans_allocate, gfc_trans_deallocate): Ditto.
        * io.c (match_io_element, gfc_match_inquire): Ditto.
        * resolve.c (resolve_typebound_call, resolve_ppc_call,
        resolve_allocate_expr, resolve_allocate_deallocate, resolve_select,
        resolve_transfer, resolve_where, gfc_resolve_assign_in_forall,
        gfc_resolve_blocks, resolve_code, build_init_assign): Ditto.
        * st.c (gfc_free_statement): Ditto.
        * match.c (gfc_match_assignment, gfc_match_pointer_assignment,
        match_arithmetic_if, gfc_match_if, gfc_match_elseif
        gfc_match_stopcode, gfc_match_assign, gfc_match_goto,
        gfc_match_nullify, match_typebound_call, gfc_match_call
        gfc_match_select, match_simple_where, gfc_match_where
        gfc_match_elsewhere, match_simple_forall, gfc_match_forall): Ditto.
        * trans-io.c (gfc_trans_transfer): Ditto.
        * parse.c (parse_where_block, parse_if_block): Ditto.

2009-05-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        * gfortran.h (gfc_code): Rename struct member label to label1.
        * dump-parse-tree.c (show_code_node): Update symbol.
        * trans-stmt.c (gfc_trans_label_assign, gfc_trans_goto,
        gfc_trans_arithmetic_if): Ditto.
        * resolve.c (gfc_resolve_blocks, resolve_code): Ditto.
        * match.c (match_arithmetic_if, gfc_match_if, gfc_reference_st_label,
        gfc_match_assign, gfc_match_goto): Ditto.
        * parse.c (parse_do_block): Ditto.

2009-05-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34153
        * gfortran.h (gfc_exec_op): Add EXEC_END_PROCEDURE.
        * dump-parse-tree.c (show_code_node): Use EXEC_END_PROCEDURE.
        * trans.c (gfc_trans_code): Ditto.
        * resolve.c (resolve_code): Ditto.
        * st.c (gfc_free_statement): Ditto.
        * parse.c (accept_statement): Ditto.

2009-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40110
        * decl.c (gfc_match_kind_spec): Turn C kind error into a warning.

2009-05-11  Steve Ellcey  <sje@cup.hp.com>

        * resolve.c (check_host_association): Initialize tail.

2009-05-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/40089
        * resolve.c (resolve_fl_derived): Only return FAILURE if
        gfc_notify_std fails.

2009-05-10  Ian Lance Taylor  <iant@google.com>

        * gfortran.h (enum gfc_omp_sched_kind): New enum, broken out of
        gfc_omp_clauses.
        (enum gfc_omp_default_sharing): Likewise.
        * module.c (enum gfc_rsym_state): New enum, broken out of
        pointer_info.
        (enum gfc_wsym_state): Likewise.
        * parse.c (enum state_order): New enum, broken out of st_state.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/40018
        * trans-array.c (gfc_trans_array_constructor_value): Fold
        convert numeric constants.
        (gfc_build_constant_array_constructor): The same.

2009-05-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38863
        * trans-expr.c (gfc_conv_operator_assign): Remove function.
        * trans.h : Remove prototype for gfc_conv_operator_assign.
        * trans-stmt.c (gfc_conv_elemental_dependencies): Initialize
        derivde types with intent(out).
        (gfc_trans_call): Add mask, count1 and invert arguments. Add
        code to use mask for WHERE assignments.
        (gfc_trans_forall_1): Use new arguments for gfc_trans_call.
        (gfc_trans_where_assign): The gfc_symbol argument is replaced
        by the corresponding code. If this has a resolved_sym, then
        gfc_trans_call is called. The call to gfc_conv_operator_assign
        is removed.
        (gfc_trans_where_2): Change the last argument in the call to
        gfc_trans_where_assign.
        * trans-stmt.h : Modify prototype for gfc_trans_call.
        * trans.c (gfc_trans_code): Use new args for gfc_trans_call.

2009-05-08  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39876
        * intrinsic.c (gfc_is_intrinsic): Do not add the EXTERNAL attribute if
        the symbol is a module procedure.

2009-05-08  Tobias Burnus  <burnus@net-b.de>

        * invoke.texi: Add do/recursion to the -fcheck= summary.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/38830
        * gfortran.texi: Document that we don't support variable FORMAT
        expressions.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/39576
        * error.c (error_print): Add missing break statement.

2009-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/36382
        * invoke.texi: Document that -fdollar-ok does not allow $ to be
        used in IMPLICIT statement.

2009-05-06  Janus Weil  <janus@gcc.gnu.org>
            Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39630
        * decl.c (match_procedure_interface): New function to match the
        interface for a PROCEDURE statement.
        (match_procedure_decl): Call match_procedure_interface.
        (match_ppc_decl): New function to match the declaration of a
        procedure pointer component.
        (gfc_match_procedure):  Call match_ppc_decl.
        (match_binding_attributes): Add new argument 'ppc' and handle the
        POINTER attribute for procedure pointer components.
        (match_procedure_in_type,gfc_match_generic): Added new argument to
        match_binding_attributes.
        * dump-parse-tree.c (show_expr,show_components,show_code_node): Handle
        procedure pointer components.
        * expr.c (free_expr0,gfc_copy_expr,gfc_simplify_expr): Handle EXPR_PPC.
        (gfc_check_pointer_assign): Handle procedure pointer components, but no
        full checking yet.
        (is_proc_ptr_comp): New function to determine if an expression is a
        procedure pointer component.
        * gfortran.h (expr_t): Add EXPR_PPC.
        (symbol_attribute): Add new member 'proc_pointer_comp'.
        (gfc_component): Add new member 'formal'.
        (gfc_exec_op): Add EXEC_CALL_PPC.
        (gfc_get_default_type): Changed first argument.
        (is_proc_ptr_comp): Add prototype.
        (gfc_match_varspec): Add new argument.
        * interface.c (compare_actual_formal): Handle procedure pointer
        components.
        * match.c (gfc_match_pointer_assignment,match_typebound_call): Handle
        procedure pointer components.
        * module.c (mio_expr): Handle EXPR_PPC.
        * parse.c (parse_derived): Handle procedure pointer components.
        * primary.c (gfc_match_varspec): Add new argument 'ppc_arg' and handle
        procedure pointer components.
        (gfc_variable_attr): Handle procedure pointer components.
        (gfc_match_rvalue): Added new argument to gfc_match_varspec and changed
        first argument of gfc_get_default_type.
        (match_variable): Added new argument to gfc_match_varspec.
        * resolve.c (resolve_entries,set_type,resolve_fl_parameter): Changed
        first argument of gfc_get_default_type.
        (resolve_structure_cons,resolve_actual_arglist): Handle procedure
        pointer components.
        (resolve_ppc_call): New function to resolve a call to a procedure
        pointer component (subroutine).
        (resolve_expr_ppc): New function to resolve a call to a procedure
        pointer component (function).
        (gfc_resolve_expr): Handle EXPR_PPC.
        (resolve_code): Handle EXEC_CALL_PPC.
        (resolve_fl_derived): Copy the interface for a procedure pointer
        component.
        (resolve_symbol): Fix overlong line.
        * st.c (gfc_free_statement): Handle EXEC_CALL_PPC.
        * symbol.c (gfc_get_default_type): Changed first argument.
        (gfc_set_default_type): Changed first argument of gfc_get_default_type.
        (gfc_add_component): Initialize ts.type to BT_UNKNOWN.
        * trans.h (gfc_conv_function_call): Renamed.
        * trans.c (gfc_trans_code): Handle EXEC_CALL_PPC.
        * trans-expr.c (gfc_conv_component_ref): Ditto.
        (gfc_conv_function_val): Rename to 'conv_function_val', add new
        argument 'expr' and handle procedure pointer components.
        (gfc_conv_operator_assign): Renamed gfc_conv_function_val.
        (gfc_apply_interface_mapping_to_expr): Handle EXPR_PPC.
        (gfc_conv_function_call): Rename to 'gfc_conv_procedure_call', add new
        argument 'expr' and handle procedure pointer components.
        (gfc_get_proc_ptr_comp): New function to get the backend decl for a
        procedure pointer component.
        (gfc_conv_function_expr): Renamed gfc_conv_function_call.
        (gfc_conv_structure): Handle procedure pointer components.
        * trans-intrinsic.c (gfc_conv_intrinsic_funcall,
        conv_generic_with_optional_char_arg): Renamed gfc_conv_function_call.
        * trans-stmt.h (gfc_get_proc_ptr_comp): Add prototype.
        * trans-stmt.c (gfc_trans_call): Renamed gfc_conv_function_call.
        * trans-types.h (gfc_get_ppc_type): Add prototype.
        * trans-types.c (gfc_get_ppc_type): New function to build a tree node
        for a procedure pointer component.
        (gfc_get_derived_type): Handle procedure pointer components.

2009-05-06  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40041
        * resolve.c (resolve_symbol): Print no warning for implicitly
        typed intrinsic functions.

2009-05-05  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39998
        * expr.c (gfc_check_pointer_assign): Check for statement functions and
        internal procedures in procedure pointer assignments.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39946
        * resolve.c (resolve_symbol): Correctly copy the interface of a
        PROCEDURE statement if the interface involves a RESULT variable.

2009-04-28  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39930
        PR fortran/39931
        * expr.c (gfc_check_pointer_assign): Correctly detect if the left hand
        side is a pointer.
        * parse.c (gfc_fixup_sibling_symbols): Don't check for ambiguity.

2009-04-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39879
        * trans_expr.c (gfc_conv_procedure_call): Deep copy a derived
        type parentheses argument if it is a variable with allocatable
        components.

2009-04-27  Ian Lance Taylor  <iant@google.com>

        * trans-intrinsic.c (DEFINE_MATH_BUILTIN): Add casts to enum
        type.
        * trans-io.c (st_parameter_field): Add casts to enum type.

2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/39893
        fortran/data.c (gfc_assign_data_value): If the lvalue is an 
        assumed character length entity in a data statement, then 
        return FAILURE to prevent segmentation fault.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        * trans-decl.c: Include pointer-set.h.
        (nonlocal_dummy_decl_pset, tree nonlocal_dummy_decls): New variables.
        (gfc_nonlocal_dummy_array_decl): New function.
        (gfc_get_symbol_decl): Call it for non-local dummy args with saved
        descriptor.
        (gfc_get_symbol_decl): Set DECL_BY_REFERENCE when needed.
        (gfc_generate_function_code): Initialize nonlocal_dummy_decl{s,_pset},
        chain it to outermost block's vars, destroy it afterwards.
        * Make-lang.in (trans-decl.o): Depend on pointer-set.h.

2009-04-25  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39688
        * decl.c (gfc_match_import): Use 'sym->name' instead of 'name'.
        They differ if the symbol has been use-renamed.

2009-04-24  Ian Lance Taylor  <iant@google.com>

        * gfortran.h (enum gfc_symbol_type): New named enum type, broken
        out of struct gfc_symbol.
        (struct gfc_symbol): Use enum gfc_symbol_type.
        (enum gfc_array_ref_dimen_type): New named enum type, broken out
        of struct gfc_array_ref).
        (struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
        (mod_pointee_as): Update declaration.
        * decl.c (add_global_entry): Change type to enum gfc_symbol_type.
        (gfc_mod_pointee_as): Change return type to "match".
        * module.c (mio_array_ref): Add cast to enum type.
        (mio_symbol): Likewise.
        * resolve.c (resolve_global_procedure): Change type to enum
        gfc_symbol_type.
        * trans-io.c (gfc_build_st_parameter): Change type to unsigned
        int.

2009-04-24  Daniel Kraft  <d@domob.eu>

        * gfortran.h (gfc_get_typebound_proc): Removed as macro, now a function.
        (struct gfc_symtree): Moved "typebound" member inside union.
        (struct gfc_namespace): Add "tb_sym_root" as new symtree to sort out
        type-bound procedures there.
        (gfc_get_tbp_symtree): New procedure.
        * symbol.c (tentative_tbp_list): New global.
        (gfc_get_namespace): NULL new "tb_sym_root" member.
        (gfc_new_symtree): Removed initialization of "typebound" member.
        (gfc_undo_symbols): Process list of tentative tbp's.
        (gfc_commit_symbols): Ditto.
        (free_tb_tree): New method.
        (gfc_free_namespace): Call it.
        (gfc_get_typebound_proc): New method.
        (gfc_get_tbp_symtree): New method.
        (gfc_find_typebound_proc): Adapt to structural changes of gfc_symtree
        and gfc_namespace with regards to tbp's.
        * dump-parse-tree.c (show_typebound): Ditto.
        * primary.c (gfc_match_varspec): Ditto.  Don't reference tbp-symbol
        as it isn't a symbol any longer.
        * module.c (mio_typebound_symtree): Adapt to changes.
        (mio_typebound_proc): Ditto, create symtrees using "gfc_get_tbp_symtree"
        rather than "gfc_get_sym_tree".
        (mio_f2k_derived): Ditto.
        * decl.c (match_procedure_in_type): Ditto.
        (gfc_match_generic): Ditto.  Don't reference tbp-symbol.
        * resolve.c (check_typebound_override): Adapt to changes.
        (resolve_typebound_generic): Ditto.
        (resolve_typebound_procedures): Ditto.
        (ensure_not_abstract_walker): Ditto.
        (ensure_not_abstract): Ditto.
        (resolve_typebound_procedure): Ditto, ignore erraneous symbols (for
        instance, through removed tentative ones).
        * gfc-internals.texi (Type-bound procedures): Document changes.

2009-04-24  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39861
        PR fortran/39864
        * symbol.c (gfc_copy_formal_args_intr): Set attr.flavor and attr.dummy
        for the formal arguments.

2009-04-21  Taras Glek <tglek@mozilla.com>

        * f95-lang.c: Update GTY annotations to new syntax.
        * trans-intrinsic.c: Likewise.
        * trans-io.c: Likewise.
        * trans.h: Likewise.

2009-04-22  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39735
        * decl.c (add_hidden_procptr_result): Bugfix for procptr results.
        (match_procedure_decl): Set if_source.
        * expr.c (gfc_check_pointer_assign): Bugfix: Return after error.
        And: Check interface also for IFSRC_UNKNOWN (return type may be known).
        * gfortran.h (typedef enum ifsrc): Remove IFSRC_USAGE,
        add documentation. Rename copy_formal_args and copy_formal_args_intr.
        * interface.c (gfc_compare_interfaces): Check for return types,
        handle IFSRC_UNKNOWN.
        (compare_intr_interfaces,compare_actual_formal_intr): Obsolete, removed.
        (gfc_procedure_use): Modified handling of intrinsics.
        * intrinsic.c (add_functions): Bugfix for "dim".
        * resolve.c (resolve_intrinsic): New function to resolve intrinsics,
        which copies the interface from isym to sym.
        (resolve_procedure_expression,resolve_function): Use new function
        'resolve_intrinsic'.
        (resolve_symbol): Add function attribute for externals with return type
        and use new function 'resolve_intrinsic'.
        * symbol.c (ifsrc_types): Remove string for IFSRC_USAGE.
        (copy_formal_args): Renamed to gfc_copy_formal_args.
        (copy_formal_args_intr): Renamed to gfc_copy_formal_args_intr.
        * trans-const.c (gfc_conv_const_charlen): Handle cl==NULL.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

        * ChangeLog, ChangeLog-2002, ChangeLog-2003, ChangeLog-2004,
        ChangeLog-2005, ChangeLog-2006, ChangeLog-2007, ChangeLog-2008,
        ChangeLog.ptr, config-lang.in, ioparm.def, mathbuiltins.def: Add
        copyright and license notices.
        * ChangeLog, ChangeLog-2005, ChangeLog-2006, ChangeLog-2007,
        ChangeLog-2008: Correct dates.

2009-04-20  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39811
        * scanner.c (load_line): Fix bogus "&" compile-time diagnostic.

2009-04-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39800
        * resolve.c (is_sym_host_assoc): New function.
        (resolve_fl_derived): Call it when checking PRIVATE components
        of PUBLIC derived types.  Change gfc_error to a gfc_notify_std
        with std=f2003.
        (resolve_fl_namelist): Call it twice to check for host
        association.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        * module.c (import_iso_c_binding_module): Add casts to enum type.
        * trans-intrinsic.c (gfc_conv_intrinsic_minmax): Change op to enum
        tree_code.
        (gfc_conv_intrinsic_anyall): Likewise.
        (gfc_conv_intrinsic_arith): Likewise.
        (gfc_conv_intrinsic_minmaxloc): Likewise.
        (gfc_conv_intrinsic_minmaxval): Likewise.
        (gfc_conv_intrinsic_bitop): Likewise.
        (gfc_conv_intrinsic_singlebitop): Likewise.
        (gfc_conv_intrinsic_strcmp): Likewise.

2009-04-20  Vasilis Liaskovitis  <vliaskov@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR fortran/35423
        * trans.h (OMPWS_WORKSHARE_FLAG, OMPWS_CURR_SINGLEUNIT,
        OMPWS_SCALARIZER_WS, OMPWS_NOWAIT): Define.
        (ompws_flags): New extern decl.
        * trans-array.c (gfc_trans_scalarized_loop_end): Build OMP_FOR
        for the outer dimension if ompws_flags allow it.
        * trans.c (gfc_generate_code): Clear ompws_flags.
        * trans-expr.c (gfc_trans_assignment_1): Allow worksharing
        array assignments inside of !$omp workshare.
        * trans-stmt.c (gfc_trans_where_3): Similarly for where statements
        and constructs.
        * trans-openmp.c (ompws_flags): New variable.
        (gfc_trans_omp_workshare): Rewritten.

2009-04-11  Daniel Kraft  <d@domob.eu>

        PR fortran/37746
        * gfortran.h (struct gfc_charlen): New field "passed_length" to store
        the actual passed string length for dummy arguments.
        * trans-decl.c (gfc_create_string_length): Formatting fixes and added
        assertion, moved a local variable into the innermost block it is needed.
        (create_function_arglist): Removed TODO about the check being
        implemented and initialize cl->passed_length here.
        (add_argument_checking): New method.
        (gfc_generate_function_code): Call the argument checking method.

2009-04-11  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39692
        * symbol.c (check_conflict): Reject procedure pointers for -std=f95.

2009-04-11  Daniel Franke  <franke.daniel@gmail.com>

        * resolve.c (resolve_global_procedure): Enable whole-file checking for
        procedures that are declared later in the file.
        
2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39701
        * trans.c (gfc_allocate_with_status): Fix type mismatches
        on "pstat == 0".

2009-04-10  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/38709
        * expr.c (find_array_section): Leave early on zero-sized arrays.

2009-04-09  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/36704
        * decl.c (add_hidden_procptr_result): New function for handling
        procedure pointer return values by adding a hidden result variable.
        (variable_decl,match_procedure_decl,gfc_match_function_decl,
        gfc_match_subroutine,gfc_match_end,attr_decl1): Handle procedure pointer
        return values.
        * parse.c (parse_interface): Add EXTERNAL attribute only after
        FUNCTION/SUBROUTINE declaration is complete.
        * primary.c (replace_hidden_procptr_result): New function for replacing
        function symbol by hidden result variable.
        (gfc_match_rvalue,match_variable): Replace symbol by hidden result
        variable.
        * resolve.c (resolve_contained_fntype,resolve_function,resolve_variable,
        resolve_symbol): Allow for procedure pointer function results.
        (resolve_fl_procedure): Conflict detection moved here from
        'check_conflict'.
        * symbol.c (gfc_check_function_type): Allow for procedure pointer
        function results.
        (check_conflict): Move some conflict detection to resolution stage.
        * trans-types.c (gfc_sym_type,gfc_get_function_type): Handle hidden
        result variables.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

        * trans-types.c (gfc_init_types): Ensure gfc_integer_types doesn't
        contain TYPE_STRING_FLAG types.

2009-04-08  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/39670
        * invoke.texi (fdollar-ok): Fix typo.
        
2009-04-08  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/39670
        * invoke.texi (fdollar-ok): Clarify limitations.

2009-04-08  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38863
        * trans-array.c (gfc_trans_deferred_array): Return if this
        is a result variable.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/38152
        * trans-decl.c (gfc_get_symbol_decl): Correctly set decl location for
        procedure pointer decls.

2009-04-07  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/38290
        * expr.c (gfc_check_pointer_assign): Enable interface check for
        procedure pointers.
        * gfortran.h: Add copy_formal_args_intr.
        * interface.c (gfc_compare_interfaces): Call gfc_compare_intr_interfaces
        if second argument is an intrinsic.
        (compare_intr_interfaces): Correctly set attr.function, attr.subroutine
        and ts.
        (compare_parameter): Call gfc_compare_interfaces also for intrinsics.
        * resolve.c (resolve_specific_f0,resolve_specific_s0): Don't resolve
        intrinsic interfaces here. Must happen earlier.
        (resolve_symbol): Resolution of intrinsic interfaces moved here from
        resolve_specific_..., and formal args are now copied from intrinsic
        interfaces.
        * symbol.c (copy_formal_args_intr): New function to copy the formal
        arguments from an intinsic procedure.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38863
        * dependency.c (ref_same_as_full_array): New function.
        (gfc_dep_resolver): Call it.

2009-04-06  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/39414
        * decl.c (match_procedure_decl): Fix double declaration problems with
        PROCEDURE statements.
        * symbol.c (gfc_add_type): Ditto.

2009-04-06  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/36091
        * trans-array.c (gfc_conv_array_ref): If the symbol has the
        temporary attribute use the array_spec for the bounds.
        * gfortran.h : Add the temporary field to the structure
        'symbol_attribute'.
        * trans-stmt.c (forall_make_variable_temp): Set the symbol's
        temporary attribute.

2009-04-05  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/29458
        * trans-array.c (gfc_trans_array_constructor_value): Shadow
        implied do-loop variable to avoid spurious middle-end warnings.

2009-04-04  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39577
        * trans-decl.c (gfc_generate_function_code): Move recursive
        check to the right position.

2009-04-04  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/37614
        * trans-common.c (translate_common): Do not offset the whole
        coomon block.

2009-04-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39594
        * resolve.c (resolve_common_vars): Add FL_VARIABLE to symbol
        if it is not a procedure pointer.
        * primary.c (match_actual_arg): Ditto.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/15638
        * cpp.c (cb_cpp_error): Handle CPP_DL_FATAL.

2009-03-30  Steven G. Kargl  <kargls@comcast.net>

        PR fortran/38389
        * trans-stmt.c(gfc_trans_allocate): Add translation of ERRMSG.
        (gfc_trans_deallocate): Add translation of ERRMSG.  Remove stale
        comments.  Minor whitespace cleanup.
        * resolve.c(is_scalar_expr_ptr): Whitespace cleanup.
        (resolve_deallocate_expr (gfc_expr *e): Update error message.
        (resolve_allocate_expr):  Remove dead code.  Update error message.
        Move error checking to ...
        (resolve_allocate_deallocate): ... here.  Add additional error
        checking for STAT, ERRMSG, and allocate-objects.
        * match.c(gfc_match_allocate,gfc_match_deallocate):  Parse ERRMSG.
        Check for redundant uses of STAT and ERRMSG.  Reword error message
        and add checking for pointer, allocatable, and proc_pointer attributes.

2009-03-30  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/22571
        PR fortran/26227
        PR fortran/24886
        * symbol.c : Add gfc_global_ns_list.
        * decl.c (add_global_entry): Set the namespace ('ns') field.
        * gfortran.h : Add the resolved field to gfc_namespace. Add the
        namespace ('ns') field to gfc_gsymbol.  Add flag_whole_file to
        gfc_option_t.  Add the prototype for gfc_free_dt_list.
        * lang.opt : Add the whole-file option.
        * invoke.texi : Document the whole-file option.
        * resolve.c (resolve_global_procedure): If the fwhole-file
        option is set, reorder gsymbols to ensure that translation is
        in the right order.  Resolve the gsymbol's namespace if that
        has not occurred and then check interfaces.
        (resolve_function): Move call to resolve_global_procedure.
        (resolve_call): The same.
        (resolve_codes): Store the current labels_obstack.
        (gfc_resolve) : Return if the namespace is already resolved.
        trans-decl.c (gfc_get_extern_function_decl): If the whole_file
        option is selected, use the backend_decl of a gsymbol, if it is
        available.
        parse.c (add_global_procedure, add_global_program): If the flag
        whole-file is set, add the namespace to the gsymbol.
        (gfc_parse_file): On -fwhole-file, put procedure namespaces on
        the global namespace list.  Rearrange to do resolution of all
        the procedures in a file, followed by their translation.
        * options.c (gfc_init_options): Add -fwhole-file.
        (gfc_handle_option): The same.

2009-03-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * f95-lang.c (gfc_init_builtin_functions): Define BUILT_IN_HUGE_VAL
        family of intrinsics instead of BUILT_IN_INF family.
        * trans-intrinsics.c (gfc_conv_intrinsic_nearest): Use
        BUILT_IN_HUGE_VAL instead of BUILT_IN_INF.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

        * trans-types.c (gfc_sym_type, gfc_return_by_reference): For
        sym->attr.result check sym->ns->proc_name->attr.is_bind_c.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR rtl-optimization/323
        * options.c (gfc_post_options): Set
        flag_excess_precision_cmdline.  Give an error for
        -fexcess-precision=standard for processors where the option is
        significant.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/34695
        * cpp.c (cb_cpp_error): New.
        (gfc_cpp_post_options): Don't set cpp_option->inhibit_warnings.
        Don't check cpp_errors (cpp_in).
        (gfc_cpp_init_0): Set cb->error.

2009-03-29  Steven G. Kargl  <kargl@gcc.gnu.org>

        PR fortran/38823
        * gfortran.h: Add ARITH_PROHIBIT to arith enum.
        expr.c (gfc_match_init_expr): Add global variable init_flag to
        flag matching an initialization expression.
        (check_intrinsic_op): Move no longer reachable error message to ...
        * arith.c (arith_power): ... here.  Remove gfc_ prefix in
        gfc_arith_power.  Use init_flag.  Allow constant folding of x**y
        when y is REAL or COMPLEX.
        (eval_intrinsic): Remove restriction that y in x**y must be INTEGER
        for constant folding.
        * gfc_power: Update gfc_arith_power to arith_power

2009-03-29  Daniel Kraft  <d@domob.eu>

        PR fortran/37423
        * gfortran.h (struct gfc_typebound_proc): Added new flag "deferred" and
        added a comment explaining DEFERRED binding handling.
        * decl.c (match_binding_attributes): Really match DEFERRED attribute.
        (match_procedure_in_type): Really match PROCEDURE(interface) syntax
        and do some validity checks for DEFERRED and this construct.
        * module.c (binding_overriding): New string constant for DEFERRED.
        (mio_typebound_proc): Module-IO DEFERRED flag.
        * resolve.c (check_typebound_override): Ensure that a non-DEFERRED
        binding is not overridden by a DEFERRED one.
        (resolve_typebound_procedure): Allow abstract interfaces as targets
        for DEFERRED bindings.
        (ensure_not_abstract_walker), (ensure_not_abstract): New methods.
        (resolve_fl_derived): Use new "ensure_not_abstract" method for
        non-ABSTRACT types extending ABSTRACT ones to ensure each DEFERRED
        binding is overridden.
        (check_typebound_baseobject): New method.
        (resolve_compcall), (resolve_typebound_call): Check base-object of
        the type-bound procedure call.
        * gfc-internals.texi (Type-bound procedures): Document a little bit
        about internal handling of DEFERRED bindings.

2009-03-29  Tobias Schlueter  <tobi@gcc.gnu.org>

        PR fortran/38507
        * gfortran.h (gfc_st_label): Fix comment.
        (gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
        * parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
        END SELECT with labels.
        (check_do_closure): Fix formatting.
        (parse_do_block): Fix typo in error message.
        * resolve.c (code_stack): Remove tail member.  Update comment to
        new use of reachable_labels.
        (reachable_labels): Rename to ...
        (find_reachable_labels): ... this.  Overhaul.  Update preceding
        comment.
        (resolve_branch): Fix comment preceding function.  Rewrite.
        (resolve_code): Update call to find_reachable_labels.  Add code to
        deal with EXEC_END_BLOCK.
        * st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
        Add 2009 to copyright years.
        * trans.c (gfc_trans_code): Likewise on both counts.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38917
        * expr.c (gfc_check_assign): Allow pointer components when
        checking for NULL.

        PR fortran/38918
        * resolve.c (check_data_variable): Treat pointer arrays with
        scalars.

2009-03-31  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38915
        * trans-expr.c (gfc_trans_assignment_1): Ensure temporaries
        have a string_length.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34656
        * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
        Add GFC_RTCHECK_DO support.
        * option.c (gfc_handle_runtime_check_option): Enable GFC_RTCHECK_DO.
        * invoke.texi (-fcheck): Document "do" option.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38538
        * trans-array.c (get_elemental_fcn_charlen): Remove.
        (get_array_charlen): New function to replace previous.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38765
        * parse.c (parse_derived): Do not break on finding pointer,
        allocatable or private components.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32626
        * option.c (gfc_handle_runtime_check_option): Enable recursion check.
        * trans-decl.c (gfc_generate_function_code): Add recursion check.
        * invoke.texi (-fcheck): Add recursive option.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38432
        * resolve.c (gfc_resolve_iterator): Add zero-loop warning.

2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Paul Thomas  <pault@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_option_t): Add rtcheck.
        * lang.opt: New option -fcheck.
        * libgfortran.h: Add GFC_RTCHECK_* constants.
        * invoke.texi: Document -fcheck.
        * options.c (gfc_handle_runtime_check_option): New function.
        (gfc_init_options,gfc_post_options,gfc_handle_option):
        Add -fcheck option.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        * trans-array.c (gfc_conv_descriptor_data_addr): Use
        gfc_build_addr_expr instead of build_fold_addr_expr.
        (gfc_trans_allocate_array_storage, gfc_trans_array_constructor_value,
        gfc_trans_constant_array_constructor, gfc_conv_array_data,
        gfc_conv_expr_descriptor, gfc_conv_array_parameter): Likewise.
        * trans-expr.c (gfc_conv_missing_dummy, gfc_conv_variable,
        gfc_conv_function_val, gfc_conv_operator_assign,
        gfc_conv_subref_array_arg, gfc_conv_function_call,
        gfc_conv_expr_reference, gfc_trans_scalar_assign): Likewise.
        * trans-intrinsic.c (gfc_conv_intrinsic_exponent,
        gfc_conv_intrinsic_ctime, gfc_conv_intrinsic_fdate,
        gfc_conv_intrinsic_ttynam, gfc_conv_intrinsic_minmax_char,
        gfc_conv_intrinsic_fraction, gfc_conv_intrinsic_spacing,
        gfc_conv_intrinsic_rrspacing, gfc_conv_intrinsic_set_exponent,
        gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_transfer,
        gfc_conv_intrinsic_si_kind, gfc_conv_intrinsic_trim): Likewise.
        * trans-io.c (gfc_trans_io_runtime_check, set_parameter_ref,
        gfc_convert_array_to_string, gfc_trans_open, gfc_trans_close,
        build_filepos, gfc_trans_inquire, gfc_trans_wait,
        nml_get_addr_expr, transfer_namelist_element, build_dt,
        gfc_trans_dt_end, transfer_array_component, transfer_expr,
        transfer_array_desc, gfc_trans_transfer): Likewise.
        * trans-stmt.c (gfc_trans_allocate, gfc_trans_deallocate): Likewise.
        * trans.c (gfc_build_addr_expr): Mark the base of the address
        TREE_ADDRESSABLE.

2009-03-27  Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (enum init_local_real.): Add GFC_INIT_REAL_SNAN.
        (gfc_expr): Add is_snan.
        * trans-const.c (gfc_conv_mpfr_to_tree): Support SNaN.
        (gfc_conv_constant_to_tree): Update call to gfc_conv_mpfr_to_tree.
        * trans-const.h (gfc_conv_mpfr_to_tree): Update prototype.
        * resolve.c (build_default_init_expr): Update call.
        * target-memory.c (encode_float): Ditto.
        * trans-intrinsic.c (gfc_conv_intrinsic_aint,gfc_conv_intrinsic_mod,

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * lang.opt: Unify help texts for -I, -Wconversion, -d, -fopenmp,
        and -fpreprocessed.

2009-03-06  Alexandre Oliva <aoliva@redhat.com>

        * simplify.c (gfc_simplify_transfer): Zero-initialize the
        buffer.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39309
        * module.c (read_md5_from_module_file): Add missing quote.

2009-02-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/39309
        * module.c (read_md5_from_module_file): Include mod version
        in had-changed test.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39295
        * interface.c (compare_type_rank_if): Return 1 if the symbols
        are the same and deal with external procedures where one is
        identified to be a function or subroutine by usage but the
        other is not.

2009-02-26  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/39292
        * trans-array.c (gfc_conv_array_initializer): Convert all
        expressions rather than ICEing.

2009-02-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/38914
        * array.c (ref_dimen_size):  Rename to gfc_ref_dimen_size,
        make global.  Change function name in error messages.
        (ref_size):  Change ref_dimen_size to gfc_ref_dimen_size.
        (gfc_array_ref_shape):  Likewise.
        * gfortran.h:  Add prototype for gfc_ref_dimen_size.
        * simplify.c (simplify_bound_dim):  Add ref argument.
        If the reference isn't a full array, return one for
        the lower bound and the extent for the upper bound.
        (simplify_bound):  For array sections, take as from the
        argument.  Add reference to all to simplify_bound_dim.

2009-02-19  Daniel Franke  <franke.daniel@gmail.com>

        * scanner.c (load_line): At end of line, skip '\r' without setting
        the truncation flag.

2009-02-18  Daniel Kraft  <d@domob.eu>

        * gfortran.texi: New chapter about compiler characteristics.
        (Compiler Characteristics): Document KIND type parameters here.

2009-02-18  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.texi (MALLOC): Make example more portable.

2009-02-13  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/38259
        * module.c (gfc_dump_module,gfc_use_module): Add module
        version number.

2009-02-13  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/36703
        PR fortran/36528
        * trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
        function references to ensure that a valid expression is used.
        (gfc_conv_function_call): Pass Cray pointers to procedures.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

        * gfortranspec.c (lang_specific_driver): Update copyright notice
        dates.

2009-01-28  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38852
        PR fortran/39006
        * trans-intrinsic.c (gfc_conv_intrinsic_bound): Use the array
        descriptor ubound for UBOUND, when the array lbound == 1.

2009-01-27  Daniel Kraft  <d@domob.eu>

        PR fortran/38883
        * trans-stmt.c (gfc_conv_elemental_dependencies):  Create temporary
        for the real type needed to make it work for subcomponent-references.

2009-01-21  Daniel Kraft  <d@domob.eu>

        * trans-stmt.c (gfc_conv_elemental_dependencies):  Cleaned up comment.

2009-01-20  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38907
        * resolve.c (check_host_association): Remove the matching to
        correct an incorrect host association and use manipulation of
        the expression instead.

2009-01-20  Tobias Burnus  <burnus@net-b.de>

        * invoke.texi (RANGE): RANGE also takes INTEGER arguments.

2009-01-19  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/38859
        * simplify.c (simplify_bound): Don't use array specification
        if variable or component has subsequent references.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38657
        * module.c (write_common_0): Add argument 'this_module' and
        check that non-use associated common blocks are written first.
        (write_common): Call write_common_0 twice, once with true and
        then with false.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/34955
        * trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Has
        been absorbed into gfc_conv_intrinsic_transfer. All
        references to it in trans-intrinsic.c have been changed
        accordingly.  PR fixed by using a temporary for scalar
        character transfer, when the source is shorter than the
        destination.

2009-01-17  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38657
        * module.c (write_common_0): Revert patch of 2009-01-05.

2009-01-16  Janus Weil  <janus@gcc.gnu.org>

        PR fortran/38152
        * expr.c (gfc_check_pointer_assign): Allow use-associated procedure
        pointers as lvalue.
        * trans-decl.c (get_proc_pointer_decl,gfc_create_module_variable):
        Enable procedure pointers as module variables.

2009-01-14  Steven G. Kargl  <kargl@gcc.gnu.org>

        * ChangeLog-2007: Clean out svn merge droppings.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38763
        * target-memory.c (encode_derived): Encode NULL.

2009-01-10  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38765
        * resolve.c (check_host_association): Use the symtree name to
        search for a potential contained procedure, since this is the
        name by which it would be referenced.

2009-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/38220
        * interface.c (gfc_procedure_use):  Don't warn about functions
        from ISO_C_BINDING.
        * symbol.c (generate_isocbinding_symbol):  Mark c_loc and
        c_funloc as pure.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38657
        * module.c (write_common_0): Use the name of the symtree rather
        than the common block, to determine if the common has been
        written.

2009-01-05  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/37159
        * check.c (gfc_check_random_seed): Added size check for GET
        dummy argument, reworded error messages to follow common pattern.

2009-01-05  Thomas Koenig  <tkoenig@gcc.gnu.org>

        PR fortran/38672
        * trans-types.c (gfc_get_derived_type):  Check for the
        presence of derived->ns->proc_name before
        accessing derived->ns->proc_name->attr.flavor .
        * resolve.c (resolve_symbol):  Likewise.

2009-01-05  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38665
        * gfortran.h : Add bit to gfc_expr 'user_operator'
        * interface.c (gfc_extend_expr): Set the above if the operator
        is substituted by a function. 
        * resolve.c (check_host_association): Return if above is set.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/35681
        * ChangeLog-2008: Fix function name.

        PR fortran/38487
        * dependency.c (gfc_check_argument_var_dependency):
        Move the check for pointerness inside the if block
        so that it doesn't affect the return value.

        PR fortran/38669
        * trans-stmt.c (gfc_trans_call):
        Add the dependency code after the loop bounds calculation one.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

        * intrinsic.c (do_simplify): Removed already implemented TODO.

2009-01-04  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/38718
        * simplify.c (gfc_simplify_merge): New.
        * intrinsic.h (gfc_simplify_merge): New prototype.
        * intrinsic.c (add_functions): Added simplification for MERGE.

2009-01-04  Mikael Morin  <mikael.morin@tele2.fr>

        PR fortran/38536
        * gfortran.h (gfc_is_data_pointer): Added prototype
        * resolve.c (gfc_iso_c_func_interface):
        Use gfc_is_data_pointer to test for pointer attribute.
        * dependency.c (gfc_is_data_pointer):
        Support pointer-returning functions.

2009-01-03  Daniel Franke  <franke.daniel@gmail.com>

        * symbol.c (save_symbol): Don't SAVE function results.

2009-01-03  Paul Thomas  <pault@gcc.gnu.org>

        PR fortran/38594
        * resolve.c (resolve_call): When searching for proper host
        association, use symtree rather than symbol.  For everything
        except generic subroutines, substitute the symtree in the call
        rather than the symbol.

\f
Copyright (C) 2009 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.