method.c (make_alias_for): Do not set TREE_SYMBOL_REFERENCED.

* method.c (make_alias_for): Do not set TREE_SYMBOL_REFERENCED.
	* decl2.c (mark_needed): Likewise.
	(decl_needed_p): Do not test TREE_SYMBOL_REFERENCED.

	* decl2.c (cxx_callgraph_analyze_expr): Remove.
	* cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
	* cp-tree.h (cxx_callgraph_analyze_expr): Remove.

From-SVN: r186658

gcc/cp/ChangeLog

@@ -1,3 +1,13 @@
+2012-04-21  Jan Hubicka  <jh@suse.cz>
+
+	* method.c (make_alias_for): Do not set TREE_SYMBOL_REFERENCED.
+	* decl2.c (mark_needed): Likewise.
+	(decl_needed_p): Do not test TREE_SYMBOL_REFERENCED.
+
+	* decl2.c (cxx_callgraph_analyze_expr): Remove.
+	* cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR): Remove.
+	* cp-tree.h (cxx_callgraph_analyze_expr): Remove.
+
 2012-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 
 	PR 35441

gcc/cp/cp-objcp-common.h

@@ -110,9 +110,6 @@ extern void cp_common_init_ts (void);
 #undef LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN
 #define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN cp_type_quals
 
-#undef LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR
-#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR cxx_callgraph_analyze_expr
-
 #undef LANG_HOOKS_MAKE_TYPE
 #define LANG_HOOKS_MAKE_TYPE cxx_make_type
 #undef LANG_HOOKS_TYPE_FOR_MODE

gcc/cp/cp-tree.h

@@ -5136,7 +5136,6 @@ extern tree cp_build_parm_decl			(tree, tree);
 extern tree get_guard				(tree);
 extern tree get_guard_cond			(tree);
 extern tree set_guard				(tree);
-extern tree cxx_callgraph_analyze_expr		(tree *, int *);
 extern void mark_needed				(tree);
 extern bool decl_needed_p			(tree);
 extern void note_vague_linkage_fn		(tree);

gcc/cp/decl2.c

@@ -1782,10 +1782,7 @@ var_finalized_p (tree var)
 void
 mark_needed (tree decl)
 {
-  /* It's possible that we no longer need to set
+  TREE_USED (decl) = 1;
-     TREE_SYMBOL_REFERENCED here directly, but doing so is
-     harmless.  */
-  TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl)) = 1;
   mark_decl_referenced (decl);
 }
 
@@ -1811,9 +1808,7 @@ decl_needed_p (tree decl)
     return true;
   /* If this entity was used, let the back end see it; it will decide
      whether or not to emit it into the object file.  */
-  if (TREE_USED (decl)
+  if (TREE_USED (decl))
-      || (DECL_ASSEMBLER_NAME_SET_P (decl)
-	  && TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (decl))))
       return true;
   /* Functions marked "dllexport" must be emitted so that they are
      visible to other DLLs.  */
@@ -3436,44 +3431,6 @@ generate_ctor_and_dtor_functions_for_priority (splay_tree_node n, void * data)
   return 0;
 }
 
-/* Called via LANGHOOK_CALLGRAPH_ANALYZE_EXPR.  It is supposed to mark
-   decls referenced from front-end specific constructs; it will be called
-   only for language-specific tree nodes.
-
-   Here we must deal with member pointers.  */
-
-tree
-cxx_callgraph_analyze_expr (tree *tp, int *walk_subtrees ATTRIBUTE_UNUSED)
-{
-  tree t = *tp;
-
-  switch (TREE_CODE (t))
-    {
-    case PTRMEM_CST:
-      if (TYPE_PTRMEMFUNC_P (TREE_TYPE (t)))
-	cgraph_mark_address_taken_node (
-			      cgraph_get_create_node (PTRMEM_CST_MEMBER (t)));
-      break;
-    case BASELINK:
-      if (TREE_CODE (BASELINK_FUNCTIONS (t)) == FUNCTION_DECL)
-	cgraph_mark_address_taken_node (
-			      cgraph_get_create_node (BASELINK_FUNCTIONS (t)));
-      break;
-    case VAR_DECL:
-      if (DECL_CONTEXT (t)
-	  && flag_use_repository
-	  && TREE_CODE (DECL_CONTEXT (t)) == FUNCTION_DECL)
-	/* If we need a static variable in a function, then we
-	   need the containing function.  */
-	mark_decl_referenced (DECL_CONTEXT (t));
-      break;
-    default:
-      break;
-    }
-
-  return NULL;
-}
-
 /* Java requires that we be able to reference a local address for a
    method, and not be confused by PLT entries.  If hidden aliases are
    supported, collect and return all the functions for which we should

gcc/cp/method.c

@@ -244,7 +244,6 @@ make_alias_for (tree target, tree newid)
   TREE_ADDRESSABLE (alias) = 1;
   TREE_USED (alias) = 1;
   SET_DECL_ASSEMBLER_NAME (alias, DECL_NAME (alias));
-  TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (alias)) = 1;
   return alias;
 }