changelog

gcc-2.95.3 Linux下最常用的C编译器

Fri Mar 16 12:46:19 GMT 2001 Bernd Schmidt  ([e-mail])

	* gcc-2.95.3 Released.

Fri Jun  9 17:55:08 2000  Jeffrey A Law  ([e-mail])

	2000-02-07    <[e-mail]>
	* decl2.c (import_export_decl): vlist ctor wrappers follow virtual
	methods in their interface.
	(vlist_ctor_wrapper_p): new function.
	(finish_vlist_ctor_wrapper): likewise.

	2000-02-06    <[e-mail]>
	* decl2.c (maybe_retrofit_in_chrg): Move call to
	make_vlist_ctor_wrapper from here ...
	* decl.c (grok_ctor_properties): ... to here.
	* decl.c (grokfndecl): ... and here.
	* init.c (no_vlist_base_init): Declare unseen Vlist ctor weak.
	* decl2.c (maybe_retrofit_in_chrg): Be sorry about varargs ctors.

2000-03-08  Nathan Sidwell  <[e-mail]>

	* exception.cc (__cp_pop_exception): Cleanup the original object.

1999-11-13  Jason Merrill  <[e-mail]>

	* rtti.c (get_tinfo_fn_unused): Split out from get_tinfo_fn.
	* class.c (set_rtti_entry): Use it.

Wed Apr 12 00:45:49 2000  Jeffrey A Law  ([e-mail])

	2000-02-03    <[e-mail]>
	* call.c (add_function_candidate): Do not add vlist ctor into
	candidates in compatibility mode.
	(build_user_type_conversion_1): Add LOOKUP_HAS_VLIST when adding
	vlist.
	(convert_like): Likewise.
	(build_over_call): Skip vlist only if it is mentioned in flags.
	(build_new_method_call): Do not add vlist in compatibility mode,
	except for dtors.
	* cp-tree.h (flag_vtable_thunks): Has now four possible values.
	(DECL_VLIST_CTOR_WRAPPER_P, DECL_VLIST_CTOR_WRAPPED): New macros.
	(in_charge_identifier): Declare external.
	* decl.c (xref_basetypes): Check for vtable_thunks >=2.
	(finish_dtor): Use bit 2 of in_chrg.
	(finish_function): Do not finish vlist ctor wrappers.
	* decl2.c (flag_vtable_thunks_compat): New variable.
	(lang_decode_option): Set it accordingly.
	(maybe_retrofit_in_chrg): Call make_vlist_ctor_wrapper.
	* init.c (build_base_dtor_call): Pass 4 in in_chrg.
	(no_vlist_base_init): New function.
	(expand_default_init): Do not pass vlist in compatibility mode.
	Try to call old base ctor if new one was not generated.
	(build_new_1): Do not pass vlist in compatibility mode.
	* method.c (get_id_2): Do not put _Vlist into dtor name in
	compatibility mode.
	(make_vlist_ctor_wrapper, emit_vlist_ctor_wrapper): New functions.
	(synthesize_method): Call emit_vlist_ctor_wrapper.
	* pt.c (instantiate_class_template): Check for vtable_thunks >=2.

	Sat Nov 13 15:48:59 1999  H.J. Lu  <[e-mail]>
	* init.c (finish_dtor): Call mark_all_temps_used () before
	declaring vlist.

	Tue Nov  9 15:01:57 1999  H.J. Lu  <[e-mail]>
	* init.c (construct_virtual_bases): Update.
	(expand_cleanup_for_base): Update.

	Tue Nov  9 08:25:04 1999  H.J. Lu  <[e-mail]>
	* init.c (construct_virtual_bases): Update.
	(expand_cleanup_for_base): Take vlist parameter.
	(emit_base_init): Pass vlist to expand_cleanup_for_base.
	(construct_virtual_bases): Likewise.

	1999-05-02  Martin von L鰓is  <[e-mail]>
        * class.c (prepare_ctor_vtable, finish_one_ctor_vtable,
        prepend_ctor_vfields_for_vbase, finish_ctor_vtables_for_vbases,
        finish_ctor_vtables_1, prepend_vbase_vfields,
        finish_ctor_vtables): New functions.
        (finish_struct_1): Call finish_ctor_vtables.
        * cp-tree.h (TYPE_USES_PVBASES): New macro.
        (constructor_for_vbase_attr): Widen to two bits.
        (CONSTRUCTOR_FOR_VBASE, CONSTRUCTOR_FOR_PVBASE,
        DESTRUCTOR_FOR_PVBASE): New macros.
        (DECL_CONSTRUCTOR_FOR_VBASE_P): Adopt to new enumeration.
        (DECL_CONSTRUCTOR_FOR_VBASE): New macro.
        (DECL_CONSTRUCTOR_FOR_PVBASE_P, DECL_DESTRUCTOR_FOR_PVBASE_P): New
        macros.
        (vlist_identifier, vlist_type_node, vlist_zero_node): Declare.
        (VCTABLE_NAME, VLIST_NAME_FORMAT, VLIST_NAME, VLIST1_NAME,
        VLIST_TYPE_NAME): New macros.
        (LOOKUP_HAS_VLIST): New macro.
        (build_base_dtor_call, init_vlist): Declare.
        (build_destructor_name): Add int argument.
        * decl.c (vlist_identifier, vlist_type_node, vlist_zero_node):
        Define.
        (init_decl_processing): Initialize them.
        (grokdeclarator): Handle vlist argument.
        (copy_args_p): Likewise.
        (grok_ctor_properties): Don't try to skip initial int for
        templates.  Skip vlist if available.
        (xref_basetypes): Set TYPE_USES_PVBASES.
        (finish_dtor, finish_ctor): New functions, moved out of ...
        (finish_function): ... here.
        * decl2.c (lang_decode_option): Set flag_vtable_thunks explicitly.
        (maybe_retrofit_in_chrg): Retrofit __vlist parameter.
        (grokclassfn): Pass pvbase flag into mangled name.
        * init.c (build_base_dtor_call): New function.
        (build_partial_cleanup_for): Call it.
        (pvbasecount, init_vlist, ): New functions.
        (emit_base_init): Process vlist argument.
        (expand_aggr_vbase_init_1): Likewise.
        (expand_aggr_vbase_init): Likewise.
        (expand_default_init): Likewise.
        (build_new_1): Pass null vlist argument.
        (build_delete): Likewise. Call build_base_dtor_call.
        * method.c (process_overload_item): Mangle _Vlist specially.
        (build_base_path, get_vlist_vtable_id): New functions.
        (build_destructor_name): Potentially mangle _Vlist into it.
        (do_build_copy_constructor): Skip vlist argument.
        (synthesize_method): Likewise.
        * pt.c (has_pvbases_p): New function.
        (instantiate_class_template): Call it.
        (tsubst_decl): Retrofit before mangling. Pass pvbase_p to
        destructor mangling.
        * search.c (expand_direct_vtbls_init_thunks): New function.
        (expand_indirect_vtbls_init_thunks): New function.
        (expand_indirect_vtbls_init): Call it.
        * call.c (add_function_candidate): Process vlist argument.
        (build_user_type_conversion_1): Add vlist argument.
        (convert_like): Likewise.
        (build_over_call): Likewise.
        (build_new_method_call): Likewise.

2000-02-18  Martin von Loewis  <[e-mail]>

	* typeck2.c (my_friendly_abort): Use GCCBUGURL.

1999-11-01  Jason Merrill  <[e-mail]>

	* decl2.c (maybe_make_one_only): Always make things comdat on
	ELF targets, too.

Sun Oct 24 23:54:10 PDT 1999 Jeff Law  ([e-mail])

	* gcc-2.95.2 Released.

1999-09-06  Mark Mitchell  <[e-mail]>

	* pt.c (tsubst): Back out 1999-08-06 patch.  Use fold and
	decl_constant_value to simplify array bounds.

1999-08-19  Jason Merrill  <[e-mail]>

	* cp-tree.h: Declare flag_use_repository.
	* pt.c (do_decl_instantiation): Don't complain about duplicate
	instantiation with -frepo.
	(do_type_instantiation): Likewise.

1999-08-14  Jason Merrill  <[e-mail]>

	* decl2.c (lookup_arg_dependent): Note that we've already checked
	the current namespace.

Mon Aug 16 01:29:24 PDT 1999 Jeff Law  ([e-mail])

	* gcc-2.95.1 Released.

1999-08-12  Mark Mitchell  <[e-mail]>

	* decl2.c (lang_decode_option): Deprecate signatures.

1999-08-11  Martin v. Loewis  <[e-mail]>

	* lex.c (do_identifier): If we find a hidden type after a global
	was selected already, continue using the global.

1999-08-10  Martin v. Loewis  <[e-mail]>

	* decl2.c (set_decl_namespace): Do not complain about non-matching
	decls if processing a template.

1999-08-09  Jason Merrill  <[e-mail]>

	* parse.y (function_try_block): Call end_protect_partials
	before expand_start_all_catch.

1999-08-06  Jason Merrill  <[e-mail]>

	* pt.c (maybe_get_template_decl_from_type_decl): Make sure that
	we're looking at a class.

	* decl.c (lookup_name_real): Set the complain flag if we're
	looking for a namespace member.

	* decl.c (pushdecl): Only give an error for shadowing a parm 
	from *this* function.

	* decl2.c (build_expr_from_tree, case METHOD_CALL_EXPR): Only
	build_expr_from_tree on the args of a TEMPLATE_ID_EXPR.

	* class.c (mark_overriders): Fix order of args to overrides.
	(warn_hidden): Likewise.  Fix for having virtual and non-virtual
	functions with the same name.

	* cp-tree.h (DECL_VIRTUAL_CONTEXT): New macro.
	* typeck.c (expand_ptrmemfunc_cst): Calculate delta correctly for
	virtual functions and MI.  Simplify.

	* typeck.c (c_expand_return): Downgrade pedwarn about returning NULL
	from op new to warning.

	* decl2.c (reparse_absdcl_as_casts): Don't warn about old-style
	casts in system headers or extern "C" blocks.

	* pt.c (do_decl_instantiation): Downgrade duplicate instantiation
	errors to pedwarn.

	* error.c (dump_type_real): Handle TREE_LIST again.

	* typeck.c (comp_target_parms): Don't complain about 
	converting from () to (...) if !flag_strict_prototype.

	* class.c (instantiate_type): Downgrade errors for object-dependent
	memfn refs to pedwarn.

1999-08-06  Alexandre Oliva  <[e-mail]>

	* pt.c (tsubst): Use build_index_type to build in-template array
	index type.  Fixes g++.oliva/dwarf1.C.
	* decl.c (grokdeclarator): Likewise, just for consistency, as it
	doesn't seem to trigger the bug without it.

Thu Aug  5 02:40:42 1999  Jeffrey A Law  ([e-mail])

        * typeck2.c: Update URLs and mail addresses.

1999-08-03  Mumit Khan  <[e-mail]>

	* decl.c (start_decl): Set attributes before duplicate_decls call.

Wed Jul 28 21:39:31 PDT 1999 Jeff Law  ([e-mail])

	* gcc-2.95 Released.

Sun Jul 25 15:24:21 1999  Jeffrey A Law  ([e-mail])

	* g++FAQ.texi: Deleted per Joe Buck's request.
	* Makefile.in: Corresponding changes.

Sat Jul 17 23:50:47 1999  Jeffrey A Law  ([e-mail])

	* Makefile.in (INTERFACE): Bump to 2.

1999-07-17  Alexandre Oliva  <[e-mail]>
        
	* typeck2.c (my_friendly_abort): Updated URL with bug reporting
	instructions to gcc.gnu.org.  Removed e-mail address.

1999-07-15  Mark Mitchell  <[e-mail]>

        * pt.c (check_default_tmpl_args): Handle friends defined in the
        class just like member functions defined in the class.

Thu Jul 15 01:26:49 1999  H.J. Lu  <[e-mail]>

	* decl.c (duplicate_decls): Relax restriction for exception
	checks on duplicate symbols.

1999-07-07  Jason Merrill  <[e-mail]>

	* decl.c (grokdeclarator): Update the names of all variants when
	de-anonymizing.

Wed Jul  7 01:26:47 1999  Alexandre Oliva  <[e-mail]>

	* decl2.c (mark_vtable_entries): Fix check for rtti offset.

1999-06-26  Richard Henderson  <[e-mail]>

	* decl.c (cp_finish_decl): Fix typo in cp_warning_at call.

1999-06-21  Mark Mitchell  <[e-mail]>

	* init.c (expand_aggr_vbase_init): Rename to
	construct_virtual_bases.  Conditionalize construction here, 
	rather than ...
	(emit_base_init): Here.

1999-06-19  Mark Mitchell  <[e-mail]>

        * semantics.c (finish_asm_statement): Apply decay conversions to
        input operands.

	* decl.c (expand_static_init): When building an anonymous function
	for use with atexit, compute its body before and after entering
	the function.

1999-06-18  Mark Mitchell  <[e-mail]>

	* init.c (expand_aggr_vbase_init): Add flag parameter.
	(build_partial_cleanup_for): Remove, inlining into ..
	(expand_cleanup_for_base): ... here.  Take flag parameter.
	(emit_base_init): Pass the in_chrg parameter to
	emit_aggr_vbase_init. 
	(emit_aggr_vbase_init): Pass it to expand_cleanup_for_base.
	
1999-06-16  Mark Mitchell  <[e-mail]>

	* decl2.c (import_export_decl): Use same_type_p, rather than
	relying on pointer-equality for types.

	* method.c (do_build_copy_constructor): Simplify.

	* call.c (build_method_call): Remove bogus code for two-argument
	delete.
	* init.c (build_new_1): Expand on comment, and remove dead code.

	* init.c (expand_cleanup_for_base): New function, split out
	from ...
	(emit_base_init): Here.
	(expand_aggr_vbase_init): Use it.

1999-06-15  Mark Mitchell  <[e-mail]>

	* cp-tree.h (class_cache_firstobj): Declare.
	(maybe_push_cache_obstack): Rename to push_cache_obstack.
	* class.c (permanent_obstack): Remove declaration.
	(class_cache_firstobj): Make it global.
	(add_method): Don't use permanent_obstack directly.
	(pushclass): Only free the class_cache_obstack if we know how far
	back to free it.
	(maybe_push_cache_obstack): Rename to push_cache_obstack.
	* decl.c: Remove dead comment.
	(saved_scope): Add class_cache_firstobj.
	(push_to_top_level): Save it.
	(pop_from_top_level): Restore it.
	(push_class_level_binding): Use push_cache_obstack, not
	maybe_push_cache_obstack.
	* search.c (push_class_decls): Likewise.

1999-06-14  Nathan Sidwell  <[e-mail]>

	* call.c (build_new_op): Remove REF_BIND from all operands.

1999-06-07  Mark Mitchell  <[e-mail]>

	* search.c (convert_pointer_to_single_level): Reimplement without
	using get_binfo.

1999-06-06  Mark Mitchell  <[e-mail]>

	* method.c (is_back_referenceable_type): Back-reference bools when