* c-common.h (lang_post_pch_load): New variable.
	* c-pch.c (lang_post_pch_load): Define it.
	(c_common_read_pch): Use it.
	* cgraphunit.c (record_call_1): Give the front end a chance to
	record additional needed entities when a variable is marked as
	needed.
	* tlink.c (recompile_files): Robustify.
	(scan_linker_output): If a symbol is assigned to a file,
	but after recompilation is not present there, issue an error
	message.

	* cp-tree.h (IDENTIFIER_REPO_CHOSEN): Define.
	(lang_decl_flags): Narrow the width of "languages".  Add
	repo_available_p.
	(DECL_NEEDED_P): Remove.
	(FOR_EACH_CLONE): New macro.
	(DECL_REPO_AVAILABLE_P): Likewise.
	(DECL_TINFO_P): Likewise.
	(set_linkage_according_to_type): Declare.
	(import_export_vtable): Remove.
	(import_export_tinfo): Likewise.
	(mark_needed): New function.
	(decl_needed_p): Likewise.
	(note_vauge_linkage_fn): Likewise.
	(init_repo): Change prototype.
	(repo_template_used): Remove.
	(repo_template_instantiated): Likewise.
	(repo_emit_p): New function.
	(repo_export_class_p): Likewise.
	(no_linkage_check): Change prototype.
	* class.c (set_linkage_according_to_type): New function.
	(build_vtable): Use it.  Do not call import_export_vtable.  Set
	DECL_IGNORED_P if appropriate.
	* decl.c (duplicate_decls): Preserve DECL_REPO_AVAILABLE_P.
	(make_rtL_for_nonlocal_decls): Check for template instantiations
	explicitly.
	(grokfndecl): Adjust call to no_linkage_check.
	(set_linkage_for_static_data_member): New function.
	(grokvardecl): Use it.  Adjust call to no_linkage_check.
	(grokdeclarator): Use set_linkage_for_static_data_member.
	* decl2.c (note_vague_linkage_fn): New function.
	(note_vague_linkage_var): Likewise.
	(finish_static_data_member_decl): Use it.
	(import_export_vtable): Remove.
	(import_export_class): Use repo_export_class_p.
	(var_finalized_p): Simplify.
	(maybe_emit_vtables): Simplify.
	(mark_needed): New function.
	(decl_needed_p): Likewise.
	(import_export_decl): Add documentation and consistency checks.
	Use repo_emit_p.  Handle virtual tables and RTTI information
	here.
	(import_export_tinfo): Remove.
	(write_out_vars): Call import_export_decl.
	(cxx_callgraph_analyze_expr): Ensure that all vtables are emitted
	whenever one is.
	(finish_file): Use decl_needed_p.  Do not call import_export_decl
	for undefined static data members.  Do not warn about undefined
	inlines when using a repository.
	(mark_used): Use note_vague_linkage_fn.  Always defer template
	instantiations.
	* lex.c (cxx_init): Adjust call to init_repo.  Always set
	flag_unit_at_a-time.
	* method.c (synthesize_method): Remove unncessary
	import_export_decl call.
	(implicitly_declare_fn): Use set_linkage_according_to_type.
	* optimize.c (maybe_clone_body): Use FOR_EACH_CLONE.
	* pt.c (instantiate_class_template): Don't redundantly add classes
	to keyed_classes.  Don't call repo_template_used.
	(tsubst_decl): Set DECL_INTERFACE_KNOWN for instantiations of
	templates with internal linkage.
	(check_instantiated_args): Adjust call to no_linkage_check.
	(instantiate_template): Use FOR_EACH_CLONE.
	(mark_definable): New function.
	(mark_decl_instantiated): Use it.
	(do_decl_instantiation): Adjust tests for explicit instantiation
	after "extern template".
	(instantiate_class_member): Do not use repo_template_instantiated.
	(do_type_instantiation): Simplify.
	(instantiate_decl): Use mark_definable.  Check repo_emit_p.
	Simplify.
	* repo.c (repo_get_id): Remove.
	(original_repo): Remove.
	(IDENTIFIER_REPO_USED): Remove.
	(IDENTIFIER_REPO_CHOSEN): Remove.
	Remove all #if 0'd code.
	(repo_template_used): Remove.
	(repo_template_instantiated): Remove.
	(temporary_obstack_initialized_p): New variable.
	(init_repo): Register with lang_post_pch_load.  Avoid creating
	identifiers unnecessarily.  Don't use original_repo.  Close the
	file here.
	(reopen_repo_file_for_write): Not here.
	(finish_repo): Always write out a new repository file.
	(repo_emit_p): New function.
	(repo_export_class_p): Likewise.
	* rtti.c (get_tinfo_decl): Use set_linkage_according_to_type.
	(involves_incomplete_p): New function.
	(tinfo_base_init): Use it.
	(ptr_initializer): Remove non_public_ptr parameter.
	(ptm_initializer): Likewise.
	(get_pseudo_ti_init): Likewise.
	(unemitted_tinfo_decl_p): Remove.
	(emit_tinfo_decl): Use import_export_decl.
	* semantics.c (expand_body): Move updates of static_ctors and
	static_dtors to ...
	(expand_or_defer_fn): ... here.
	* tree.c (no_linkage_check): Add relaxed_p parameter.

	* g++.dg/abi/inline1.C: New test.
	* g++.dg/abi/local1-a.cc: Likewise.
	* g++.dg/abi/local1.C: Likewise.
	* g++.dg/abi/mangle11.C: Tweak location of warnings.
	* g++.dg/abi/mangle12.C: Likewise.
	* g++.dg/abi/mangle17.C: Likewise.
	* g++.dg/abi/mangle20-2.C: Likewise.
	* g++.dg/opt/interface1.C: Likewise.
	* g++.dg/opt/interface1.h: Likewise.
	* g++.dg/opt/interface1-a.cc: New test.
	* g++.dg/parse/repo1.C: New test.
	* g++.dg/template/repo1.C: Likewise.
	* g++.dg/warn/Winline-1.C: Likewise.
	* lib/gcc-dg.exp (gcc-dg-test-1): Fix -frepo handling.

From-SVN: r85309