Compute DECL_ASSEMBLER_NAME lazily.

	* tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
	(DECL_ASSEMBLER_NAME_SET_P): New macro.
	(SET_DECL_ASSEMBLER_NAME): Likewise.
	(COPY_DECL_ASSEMBLER_NAME): Likewise.
	(set_decl_assembler_name): Declare.
	(lang_set_decl_assembler_name): Likewise.
	* tree.c (lang_set_decl_assembler_name): New variab.e
	(set_decl_assembler_name): New function.
	(init_obstacks): Set lang_set_decl_assembler_name.
	(build_decl): Don't set DECL_ASSEMBLER_NAME.
	* c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
	COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
	where it's not necessary.
	(builtin_function): Likewise.
	(finish_decl): Likewise.
	* dbxout.c (dbxout_type_methods): Likewise.
	* ggc-common.c (ggc_mark_trees): Likewise.
	* profile.c (output_func_start_profiler): Likewise.
	* varasm.c (make_decl_rtl): Likewise.

	* class.c (get_vtable_decl): Use SET_DECL_ASSEMBLER_NAME,
	COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
	where it's not necessary.
	(add_method): Remove optimization involving comparison of
	DECL_ASSEMBLER_NAME.
	(build_vtbl_or_vbase_field): Use SET_DECL_ASSEMBLER_NAME,
	COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
	where it's not necessary.
	(check_methods): Likewise.
	(build_clone): Likewise.
	(built_vtt): Likewise.
	* cp-tree.h (DECL_NEEDED_P): Likewise.
	* decl.c (pushtag): Likewise.
	(duplicate_decls): Likewise.
	(pushdecl): Likewise.
	(builtin_function): Likewise.
	(build_library_fn_1): Set DECL_LANGUAGE for library functions.
	(build_cp_library_fn): Likewise.
	(maybe_commonize_var): Use SET_DECL_ASSEMBLER_NAME,
	COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
	where it's not necessary.
	(make_rtl_for_nonlocal_decl): Likewise.
	(cp_finish_decl): Likewise.
	(grokfndecl): Likewise.
	(grokvardecl): Likewise.
	(grokdeclarator): Likewise.
	(start_function): Likewise.
	(cp_missing_return_ok_p): Likewise.
	* decl2.c (grokclassfn): Likewise.
	(check_classfn): Likewise.
	(finish_static_data_member_decl): Likewise.
	(grokfield): Likewise.
	* error.c (GLOBAL_IORD_P): Remove.
	(dump_global_iord): Improve output.
	(dump_decl): Avoid using DECL_ASSEMBLER_NAME.
	* except.c (nothrow_libfn_p): Summarily reject any function not in
	namespace-scope.
	* init.c (build_java_class_ref): Don't explicitly set
	DECL_ASSEMBLER_NAME after calling mangle_decl.
	* mangle.c (mangle_decl_string): Handle extern "C" functions.
	(mangle_decl): Set the DECL_ASSEMBLER_NAME for the decl.
	* method.c (set_mangled_name_for_decl): Don't explicitly set
	DECL_ASSEMBLER_NAME after calling mangle_decl.
	(make_thunk): Explicitly set the DECL_ASSEMBLER_NAME and
	IDENTIFIER_GLOBAL_VALUE for the thunk.
	* pt.c (set_mangled_name_for_template_decl): Remove.
	(check_explicit_specialization): Don't use it.
	(looup_template_class): Don't set DECL_ASSEMBLER_NAME.
	(tsubst_friend_function): Likewise.
	(tsubst_decl): Likewise.
	(regenerate_decl_from_template): Use COPY_DECL_ASSEMBLER_NAME.
	* rtti.c (get_tinfo_decl): Use SET_DECL_ASSEMBLER_NAME,
	COPY_DECL_ASSEMBLER_NAME, etc.  Don't set DECL_ASSEMBLER_NAME
	where it's not necessary.
	(tinfo_base_init): Likewise.
	(create_real_tinfo_var): Likewise.
	* search.c (looup_field_1): Likewise.
	* semantics.c (finish_named_return_value): Likewise.
	* tree.c (init_tree): Set lang_set_decl_assembler_name.

	* com.c (builtin_function): Use SET_DECL_ASSEMBLER_NAME.

	* class.c (build_class_ref): Use SET_DECL_ASSEMBLER_NAME.
	(layout_class): Likewise.
	(layout_class_method): Likewise.
	(emit_register_classes): Likewise.
	* decl.c (builtin_function): Likewise.
	(give_name_to_locals): Likewise.

From-SVN: r40642

1 files changed, 7 insertions, 36 deletions

diff --git a/gcc/cp/decl2.c b/gcc/cp/decl2.c
index b60b669..1487a5b 100644
--- a/gcc/cp/decl2.c
+++ b/gcc/cp/decl2.c
@@ -1061,17 +1061,17 @@ grokclassfn (ctype, function, flags, quals)
   DECL_ARGUMENTS (function) = last_function_parms;
   DECL_CONTEXT (function) = ctype;
 
+  if (flags == DTOR_FLAG)
+    DECL_DESTRUCTOR_P (function) = 1;
+
   if (flags == DTOR_FLAG || DECL_CONSTRUCTOR_P (function))
     maybe_retrofit_in_chrg (function);
 
   if (flags == DTOR_FLAG)
     {
       DECL_DESTRUCTOR_P (function) = 1;
-      set_mangled_name_for_decl (function);
       TYPE_HAS_DESTRUCTOR (ctype) = 1;
     }
-  else
-    set_mangled_name_for_decl (function);
 }
 
 /* Work on the expr used by alignof (this is only called by the parser).  */
@@ -1436,22 +1436,6 @@ check_classfn (ctype, function)
 		   fndecls = OVL_NEXT (fndecls))
 		{
 		  fndecl = OVL_CURRENT (fndecls);
-		  /* The DECL_ASSEMBLER_NAME for a TEMPLATE_DECL, or
-		     for a for member function of a template class, is
-		     not mangled, so the check below does not work
-		     correctly in that case.  Since mangled destructor
-		     names do not include the type of the arguments,
-		     we can't use this short-cut for them, either.
-		     (It's not legal to declare arguments for a
-		     destructor, but some people try.)  */
-		  if (!DECL_DESTRUCTOR_P (function)
-		      && (DECL_ASSEMBLER_NAME (function)
-			  != DECL_NAME (function))
-		      && (DECL_ASSEMBLER_NAME (fndecl)
-			  != DECL_NAME (fndecl))
-		      && (DECL_ASSEMBLER_NAME (function) 
-			  == DECL_ASSEMBLER_NAME (fndecl)))
-		    return fndecl;
 
 		  /* We cannot simply call decls_match because this
 		     doesn't work for static member functions that are 
@@ -1525,11 +1509,6 @@ finish_static_data_member_decl (decl, init, asmspec_tree, flags)
      tree asmspec_tree;
      int flags;
 {
-  const char *asmspec = 0;
-
-  if (asmspec_tree)
-    asmspec = TREE_STRING_POINTER (asmspec_tree);
-
   my_friendly_assert (TREE_PUBLIC (decl), 0);
 
   DECL_CONTEXT (decl) = current_class_type;
@@ -1538,11 +1517,9 @@ finish_static_data_member_decl (decl, init, asmspec_tree, flags)
      decl of our TREE_CHAIN.  Instead, we modify cp_finish_decl to do
      the right thing, namely, to put this decl out straight away.  */
   /* current_class_type can be NULL_TREE in case of error.  */
-  if (!asmspec && current_class_type)
-    {
-      DECL_INITIAL (decl) = error_mark_node;
-      DECL_ASSEMBLER_NAME (decl) = mangle_decl (decl);
-    }
+  if (!asmspec_tree && current_class_type)
+    DECL_INITIAL (decl) = error_mark_node;
+
   if (! processing_template_decl)
     {
       if (!pending_statics)
@@ -1672,12 +1649,6 @@ grokfield (declarator, declspecs, init, asmspec_tree, attrlist)
       if (CLASS_TYPE_P (TREE_TYPE (value)))
         CLASSTYPE_GOT_SEMICOLON (TREE_TYPE (value)) = 1;
       
-      /* Now that we've updated the context, we need to remangle the
-	 name for this TYPE_DECL.  */
-      DECL_ASSEMBLER_NAME (value) = DECL_NAME (value);
-      if (!uses_template_parms (value)) 
-	DECL_ASSEMBLER_NAME (value) = mangle_type (TREE_TYPE (value));
-
       if (processing_template_decl)
 	value = push_template_decl (value);
 
@@ -1776,7 +1747,7 @@ grokfield (declarator, declspecs, init, asmspec_tree, attrlist)
 	  /* This must override the asm specifier which was placed
 	     by grokclassfn.  Lay this out fresh.  */
 	  SET_DECL_RTL (value, NULL_RTX);
-	  DECL_ASSEMBLER_NAME (value) = get_identifier (asmspec);
+	  SET_DECL_ASSEMBLER_NAME (value, get_identifier (asmspec));
 	}
       cp_finish_decl (value, init, asmspec_tree, flags);