+2020-06-01 Jeff Law <law@torsion.usersys.redhat.com>
+
+ * lower-subreg.c (resolve_simple_move): If simplify_gen_subreg_concatn
+ returns (const_int 0) for the destination, then emit nothing.
+
+2020-06-01 Jan Hubicka <hubicka@ucw.cz>
+
+ * lto-streamer.h (enum LTO_tags): Remove LTO_field_decl_ref,
+ LTO_function_decl_ref, LTO_label_decl_ref, LTO_namespace_decl_ref,
+ LTO_result_decl_ref, LTO_type_decl_ref, LTO_type_ref,
+ LTO_const_decl_ref, LTO_imported_decl_ref,
+ LTO_translation_unit_decl_ref, LTO_global_decl_ref and
+ LTO_namelist_decl_ref; add LTO_global_stream_ref.
+ * lto-streamer-in.c (lto_input_tree_ref): Simplify.
+ (lto_input_scc): Update.
+ (lto_input_tree_1): Update.
+ * lto-streamer-out.c (lto_indexable_tree_ref): Simlify.
+ * lto-streamer.c (lto_tag_name): Update.
+
+2020-06-01 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-reference.c (stream_out_bitmap): Use lto_output_var_decl_ref.
+ (ipa_reference_read_optimization_summary): Use lto_intput_var_decl_ref.
+ * lto-cgraph.c (lto_output_node): Likewise.
+ (lto_output_varpool_node): Likewise.
+ (output_offload_tables): Likewise.
+ (input_node): Likewise.
+ (input_varpool_node): Likewise.
+ (input_offload_tables): Likewise.
+ * lto-streamer-in.c (lto_input_tree_ref): Declare.
+ (lto_input_var_decl_ref): Declare.
+ (lto_input_fn_decl_ref): Declare.
+ * lto-streamer-out.c (lto_indexable_tree_ref): Use only one decl stream.
+ (lto_output_var_decl_index): Rename to ..
+ (lto_output_var_decl_ref): ... this.
+ (lto_output_fn_decl_index): Rename to ...
+ (lto_output_fn_decl_ref): ... this.
+ * lto-streamer.h (enum lto_decl_stream_e_t): Remove per-type streams.
+ (DEFINE_DECL_STREAM_FUNCS): Remove.
+ (lto_output_var_decl_index): Remove.
+ (lto_output_fn_decl_index): Remove.
+ (lto_output_var_decl_ref): Declare.
+ (lto_output_fn_decl_ref): Declare.
+ (lto_input_var_decl_ref): Declare.
+ (lto_input_fn_decl_ref): Declare.
+
+2020-06-01 Feng Xue <fxue@os.amperecomputing.com>
+
+ * cgraphclones.c (materialize_all_clones): Adjust replace map dump.
+ * ipa-param-manipulation.c (ipa_dump_adjusted_parameters): Do not
+ dump infomation if there is no adjusted parameter.
+ * (ipa_param_adjustments::dump): Adjust prefix spaces for dump string.
+
+2020-06-01 Aldy Hernandez <aldyh@redhat.com>
+
+ * Makefile.in (gimple-array-bounds.o): New.
+ * tree-vrp.c: Move array bounds code...
+ * gimple-array-bounds.cc: ...here...
+ * gimple-array-bounds.h: ...and here.
+
+2020-06-01 Aldy Hernandez <aldyh@redhat.com>
+
+ * Makefile.in (OBJS): Add value-range-equiv.o.
+ * tree-vrp.c (*value_range_equiv*): Move to...
+ * value-range-equiv.cc: ...here.
+ * tree-vrp.h (class value_range_equiv): Move to...
+ * value-range-equiv.h: ...here.
+ * vr-values.h: Include value-range-equiv.h.
+
+2020-06-01 Feng Xue <fxue@os.amperecomputing.com>
+
+ PR ipa/93429
+ * ipa-cp.c (propagate_aggs_across_jump_function): Check aggregate
+ lattice for simple pass-through by-ref argument.
+
2020-05-31 Jeff Law <law@redhat.com>
* lra.c (add_auto_inc_notes): Remove function.
+2020-06-01 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/95392
+ * include/bits/fs_path.h (path::_S_to_string): Move to
+ namespace-scope and rename to ...
+ (__detail::__string_from_range): ... this.
+ [WINDOWS] (__detail::__wstr_from_utf8): New function template to
+ convert a char sequence containing UTF-8 to wstring.
+ (path::_S_convert(Iter, Iter)): Adjust call to _S_to_string.
+ (path::_S_convert_loc(Iter, Iter, const locale&)): Likewise.
+ (u8path(InputIterator, InputIterator)) [WINDOWS]: Use
+ __string_from_range to obtain a contiguous range and
+ __wstr_from_utf8 to obtain a wide string.
+ (u8path(const Source&)) [WINDOWS]: Use __effective_range to
+ obtain a contiguous range and __wstr_from_utf8 to obtain a wide
+ string.
+ (path::_S_convert(const _EcharT*, const _EcharT)) [WINDOWS]:
+ Use __wstr_from_utf8.
+
+2020-06-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/testsuite_iterators.h:
+ (input_iterator_wrapper::operator++(int)): Return proxy object.
+
+2020-06-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/evolution.xml: Document deprecation of
+ __is_nullptr_t and removal of std::allocator members.
+ * doc/html/manual/api.html: Regenerate.
+
+2020-06-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/containers.xml: Replace <xref> with <link>.
+ * doc/xml/manual/evolution.xml: Likewise.
+ * doc/html/manual/api.html: Regenerate.
+ * doc/html/manual/containers.html: Regenerate.
+
+2020-06-01 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/xml/faq.xml: Adjust Valgrind reference and remove another.
+ * doc/html/faq.html: Regenerate.
+
2020-06-01 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/policy_data_structures_biblio.xml: Remove