changelog.1

gcc-2.95.3 Linux下最常用的C编译器

	default implementations -1 instead of 2.
	(build_signature_method_call): Change the generated conditional
	expression correspondingly.

	* sig.c (build_signature_pointer_constructor): Deleted the sorry
	message that said we can't handle multiple inheritance for
	implementations of signatures
	(build_signature_method_call): Use the offset from the sigtable
	entry instead of the vptr field from the signature pointer for
	building a virtual function call.

	* class.c (build_vfn_ref): Deleted signature specific code, we don't
	call this function anymore from build_signature_method_call.

	* cp-tree.h (SIGNATURE_VPTR_NAME): Deleted.  We use the right vptr
	field in the object now instead of in the signature pointer/ref.
	(build_vptr_ref): Deleted extern declaration.
	* sig.c (build_vptr_ref): Deleted.
	(build_signature_pointer_or_reference_type): Deleted construction of
	the vptr field.
	(build_signature_pointer_constructor): Deleted initialization of/
	assignment to the vptr field.

	* sig.c (build_signature_table_constructor): Convert the signature
	table entry fields to their correct types.

	* sig.c (build_signature_table_constructor): Don't call digest_init
	for the fields of a sigtable entry, it's wasted time.

	* sig.c (build_signature_table_constructor): Correctly set the
	offset and index fields of a sigtable entry.  Build the constructor
	the way digest_init does, digest_init can't handle initializing an
	anonymous union inside a struct.
	(build_signature_method_call): Use the index field instead of the
	delta field to get the vtable index.

	* decl.c (init_decl_processing): Fix number of fields for building
	sigtable_entry_type.

	* cp-tree.h (tag_identifier, offset_identifier): Added extern decls.
	(SIGTABLE_CODE_NAME): Renamed to SIGTABLE_TAG_NAME.
	(SIGTABLE_PFN_NAME): Deleted, we'll use VTABLE_PFN_NAME instead.
	* decl.c (tag_identifier, offset_identifier): New variables to
	hold the identifiers for the sigtable fields tag and offset.
	(init_decl_processing): Initialize these variables.
	(init_decl_processing): Use these variables to build the
	sigtable_entry_type structure.  Rename the code and offset fields
	to tag and delta, respectively; add offset and index fields. Changed
	types of fields from short_integer_type_node to delta_type_node.
	* sig.c (build_signature_table_constructor): Rename code and offset
	to tag and delta, respectively.
	(build_signature_method_call): Likewise.  Use above variables.

Thu Jun  1 17:03:51 1995  Jason Merrill  <[e-mail]>

	* decl.c (lookup_name_real): Don't try to look anything up in an
	erroneous object.

Fri Jun  2 10:30:14 1995  Mike Stump  <[e-mail]>

	* method.c (build_overload_int): New routine.  Break out
	functionality from build_overload_value so we can reuse it.
	(build_overload_value): Handle pointer to member functions as value
	parameters for templates.
	(build_overload_identifier): Since template parameters are shared
	among all instantiations, we have to substitute in the real types
	in TREE_TYPE (parm).
	pt.c (coerce_template_parms): Likewise.
	(push_template_decls): Likewise.
	(grok_template_type): Deleted as template parameters are shared
	among all instantiations.

Wed May 31 19:10:32 1995  Mike Stump  <[e-mail]>

	* decl.c (grokdeclarator): Always give errors on constant overflow
	for array indices.

Wed May 31 11:39:43 1995  Jason Merrill  <[e-mail]>

	* typeck.c (commonparms): Don't abort if simple_cst_equal returns < 0.
	(build_c_cast): Don't tack on a NON_LVALUE_EXPR when casting to
	reference type.
	(build_indirect_ref): Fix check for *&.

Fri Jun 16 06:54:03 1995  Mike Stump  <[e-mail]>

	* Version 2.7.0 released.

Fri Jun 16 15:07:29 1995  Richard Kenner  <[e-mail]>

	* Make-lang.in (DEMANGLER_PROG): Add LIBS.

Thu Jun 15 15:00:41 1995  Jason Merrill  <[e-mail]>

	* decl.c (define_function): Don't set DECL_INTERFACE_KNOWN.

Wed Jun  7 20:00:31 1995  Mike Stump  <[e-mail]>

	* *.[chy]: Change all callers of finish_decl to cp_finish_decl.
	* decl.c (finish_decl): New routine to handle call backs from the
	mid end (declare_hidden_char_array).

Wed Jun  7 19:02:50 1995  Jason Merrill  <[e-mail]>

	* decl.c (start_function): Handle setting C_C_D here.
	(set_C_C_D): Removed.
	(struct saved_scope): Remove class_decl.
	(push_to_top_level): Don't save current_class_decl.
	(pop_from_top_level): Don't restore current_class_decl or C_C_D.
	(struct cp_function): Add C_C_D.
	(push_cp_function_context): Save C_C_D.
	(pop_cp_function_context): Restore C_C_D.

Fri Jun  2 11:05:58 1995  Jason Merrill  <[e-mail]>

	* decl.c (set_C_C_D): New function.  suspend_momentary before
	building C_C_D.
	(pop_from_top_level): Call it.
	(start_function): Likewise.
	(pop_cp_function_context): Likewise.

	* class.c, cp-tree.h, decl.c, decl2.c, parse.y: Lose all references
	to current_vtable_decl, CLASSTYPE_INST_VAR and CLASSTYPE_VTBL_PTR.

	* decl.c (push_cp_function_context): Save current_class_decl.
	(pop_cp_function_context): Restore current_class_decl and set C_C_D.
	(pop_from_top_level): Don't use CLASSTYPE_INST_VAR to set C_C_D.
	(start_function): Likewise.

	* class.c (popclass): Don't mess with current_class_decl,
	current_vtable_decl, or C_C_D.

Mon May 29 12:45:10 1995  Paul Eggert  <[e-mail]>

	* Make-lang.in (c++.mostlyclean): Remove $(DEMANGLER_PROG).

Wed May 24 15:55:18 1995  Richard Kenner  <[e-mail]>

	* decl.c (duplicate_decls): Check simple_cst_equal result against 0.
	* decl2.c (finish_anon_union): Likewise.
	* method.c (largest_union_member): Likewise.

Wed May 24 14:41:11 1995  H.J. Lu  <[e-mail]>

	* Make-lang.in (cxxmain.o): Replace single quotes with backslashes.

Mon May 22 17:38:48 1995  Richard Kenner  <[e-mail]>

	* Make-lang.in (g++, g++-cross, cc1plus, DEMANGLER_PROG):
	Use $@ instead of output name so works even if have .exe.
	(cxxmain.o): Use cp if ln -s fails.
	(c++.install-man): Use $(exeext) in executable names.
	(c++.mostlyclean, stage[1-4]): Use $(objext) in object file names.
	* Makefile.in (../cc1plus): Use $(exeext) in name of executable.

Wed May 24 01:39:03 1995  Jason Merrill  <[e-mail]>

	* call.c (build_method_call): Parms can be null, duh.

Tue May 23 01:32:09 1995  Jason Merrill  <[e-mail]>

	* call.c (build_method_call): If convert_arguments failed, just bail.

Fri May 19 10:31:11 1995  Jason Merrill  <[e-mail]>

	* cvt.c (convert_force): Pass LOOKUP_NORMAL to cp_convert.

	* tree.c (copy_to_permanent): Oops.

Fri May 19 10:01:07 1995  Brendan Kehoe  <[e-mail]>

	* cp-tree.h (break_out_target_exprs): Add decl.

Thu May 18 13:02:30 1995  Jason Merrill  <[e-mail]>

	* decl.c (start_function): Move *all* interface handling stuff after
	the pushdecl.

	* tree.c (mapcar): Renamed from make_deep_copy and generalized.
	(perm_manip): Return t if permanent, otherwise 0.
	(copy_to_permanent): Use them.
	(bot_manip): Helper for break_out_target_exprs.
	(break_out_target_exprs): New function.  Uses mapcar.

	* typeck.c (convert_arguments): Use it.

	* method.c (hack_identifier): Use convert_from_reference to
	dereference a reference.

Wed May 17 17:54:54 1995  Mike Stump  <[e-mail]>

	* call.c (convert_harshness): Move reference bashing before pointer
	to member bashing.

Wed May 17 16:57:53 1995  Mike Stump  <[e-mail]>

	* cvt.c (convert_to_reference): Only complain, if complaints are
	wanted.
	* typeck.c (build_function_call_real): Likewise.  If
	LOOKUP_SPECULATIVELY is set and something won't work, return
	NULL_TREE.
	* cvt.c (cp_convert): Likewise.  Pass flags down to build_method_call.
	(convert): Pass LOOKUP_NORMAL to cp_convert.
	* typeck.c (convert_for_assignment): Likewise.
	(convert_force): Pass LOOKUP_COMPLAIN to cp_convert.
	(convert_arguments): Get out early if we get an error_mark_node.
	(convert_for_initialization): Use cp_convert instead of convert so
	that we can pass flags down.
	* cp-tree.h (LOOKUP_SPECULATIVELY): Added documentation.

Wed May 17 01:43:58 1995  Jason Merrill  <[e-mail]>

	* typeck2.c (store_init_value): Don't take the MAIN_VARIANT of the
	decl type.

	* class.c (finish_struct): Don't complain about a class with no
	user-defined constructors but with a member that has no default
	constructor, as this is OK for aggregates.

	* expr.c (cplus_expand_expr, NEW_EXPR): If this is an explicit
	constructor call, mark slot addressable.

Tue May 16 18:37:51 1995  Douglas Rupp  <[e-mail]>

	* g++.c: Changed WINNT to _WIN32.

Tue May 16 12:40:16 1995  Jason Merrill  <[e-mail]>

	* lex.c (handle_sysv_pragma): Don't use token_buffer.

Tue May 16 12:05:26 1995  Mike Stump  <[e-mail]>

	* call.c (resolve_scope_to_name): Add initial semantic support for
	namespaces.
	* class.c (finish_struct): Likewise.
	* cp-tree.h (NAMESPACE_LEVEL): Likewise.
	* cvt.c (build_up_reference, convert_to_reference): Likewise.
	* decl.c (binding_level::namespace_p, suspend_binding_level): Likewise.
	(resume_binding_level, toplevel_bindings_p): Likewise
	(namespace_bindings_p, declare_namespace_level): Likewise.
	(resume_level, push_namespace, pop_namespace): Likewise.
	(pop_everything, pushtag, duplicate_decls, pushdecl): Likewise.
	(implicitly_declare, lookup_namespace_name): Likewise.
	(lookup_name_real, start_decl, make_temporary_for_reference): Likewise.
	(obscure_complex_init, finish_decl, expand_static_init): Likewise.
	(grokvardecl, grokdeclarator, parmlist_is_exprlist): Likewise.
	(store_parm_decls, hack_incomplete_structures): Likewise.
	* decl2.c (get_temp_name, finish_anon_union): Likewise.
	(current_namespace, push_namespace, pop_namespace): Likewise.
	(do_namespace_alias, do_toplevel_using_decl): Likewise.
	(do_class_using_decl): Likewise.
	* error.c (dump_decl): Likewise.
	* init.c (build_member_call, build_offset_ref): Likewise.
	* lex.c (identifier_type): Likewise.
	* parse.y (lang_extdef, using_decl, extdef): Likewise.
	(component_decl_1, nested_name_specifier_1): Likewise.
	* spew.c (yylex): Likewise.
	* tree.def (NAMESPACE_DECL): Likewise.

Tue May 16 11:55:35 1995  Jason Merrill  <[e-mail]>

	* decl.c (push_overloaded_decl): Return the new decl even if it
	can't be pushed.

Tue May 16 11:00:37 1995  Jason Merrill  <[e-mail]>

	* typeck.c (decay_conversion): Split out from default_conversion.
	(default_conversion): Call it.
	(build_binary_op): Likewise.
	(build_binary_op_nodefault): Use decay_conversion for truth ops.

Mon May 15 12:47:56 1995  Jason Merrill  <[e-mail]>

	* decl.c (warn_extern_redeclared_static): This is a pedwarn.
	(duplicate_decls): Always use the old decl's linkage info.  Don't
	play with linkage of consts.
	(pushdecl): Don't play with linkage of consts.
	(redeclaration_error_message): Don't complain about an old public
	decl and a new non-public decl here.
	(grokvardecl): Handle linkage of consts here.
	(grokdeclarator): An 'extern inline' is public.  Pass constp to
	grokvardecl.
	(start_function): Wait until after the pushdecl to do some linkage
	stuff.

	* decl2.c (import_export_vtable): Make duplicates weak rather than
	static if supported.
	(import_export_inline): Likewise.
	* pt.c (do_pending_expansions): Likewise.

	* class.c (build_vbase_path): flag_assume_nonnull_objects only
	affects reference conversion.

	* init.c (emit_base_init): Build up an RTL_EXPR and add it to
	rtl_expr_chain.
	* decl.c, decl2.c: s/base_init_insns/base_init_expr/.

Tue May 16 07:06:28 1995  Paul Eggert  <[e-mail]>

	* method.c (numeric_output_need_bar): Renamed from misspelling.

	* typeck.c (build_ptrmemfunc): Fix misspellings in messages.

Sun May 14 10:26:22 1995  Richard Kenner  <[e-mail]>

	* lang-options.h, lang-specs.h: New files.

Thu May 11 00:31:48 1995  Jason Merrill  <[e-mail]>

	* typeck.c (default_conversion): Don't check for BLKmode before
	pulling out the decl_constant_value.

	* decl.c (start_function): Clear named_labels and shadowed_labels.

	* typeck.c (build_function_call_real): Also synthesize methods here.

Wed May 10 00:55:59 1995  Jason Merrill  <[e-mail]>

	* decl2.c (finish_file): Synthesize exported methods before the
	reconsider loop.

	* parse.y: Move declaration of flag_new_for_scope to file scope.

Tue May  9 19:10:33 1995  Mike Stump  <[e-mail]>

	* decl2.c: Add flag_new_for_scope for new -ffor-scope flag.
	* parse.y (FOR): Conditionalize the pushing and poping of scope for
	the for-init-statement upon the new flag_new_for_scope.
	* parse.y (try_block): Simplify and use compstmt.

Mon May  8 12:41:52 1995  Jason Merrill  <[e-mail]>

	* decl.c (define_function): Mark function decl artificial.

Sun May  7 00:51:28 1995  Jason Merrill  <[e-mail]>

	* parse.y (simple_stmt, FOR): Put back push/pop for condition scope.

	* decl2.c (grokclassfn): DECLs don't have cv-qualified types.
	* tree.c (build_cplus_method_type): Likewise.

	* cp-tree.h (SET_DECL_ARTIFICIAL): Just set DECL_ARTIFICIAL to 1.

	* typeck.c (build_function_call_real): If convert_arguments failed,
	just bail.
	(convert_arguments): If one of the arguments is error_mark_node,
	just bail.

Sat May  6 02:39:41 1995  Jason Merrill  <[e-mail]>

	* decl.c (duplicate_decls): Don't check DECL_NOT_REALLY_EXTERN for
	decls that don't include it.

Fri May  5 14:23:30 1995  Jason Merrill  <[e-mail]>