re PR middle-end/13146 (inheritance for nonoverlapping_component_refs_p)

[platform/upstream/gcc.git] / gcc / tree-ssanames.c

diff --git a/gcc/tree-ssanames.c b/gcc/tree-ssanames.c
index f3101d2..19032d5 100644 (file)
--- a/gcc/tree-ssanames.c
+++ b/gcc/tree-ssanames.c
@@ -1,5 +1,5 @@
 /* Generic routines for manipulating SSA_NAME expressions
-   Copyright (C) 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
                                                                                
 This file is part of GCC.
                                                                                
@@ -87,6 +87,8 @@ init_ssanames (struct function *fn, int size)
      least 50 elements reserved in it.  */
   VEC_quick_push (tree, SSANAMES (fn), NULL_TREE);
   FREE_SSANAMES (fn) = NULL;
+
+  SYMS_TO_RENAME (fn) = BITMAP_GGC_ALLOC ();
 }
 
 /* Finalize management of SSA_NAMEs.  */
@@ -268,12 +270,6 @@ duplicate_ssa_name_ptr_info (tree name, struct ptr_info_def *ptr_info)
   new_ptr_info = GGC_NEW (struct ptr_info_def);
   *new_ptr_info = *ptr_info;
 
-  if (ptr_info->pt_vars)
-    {
-      new_ptr_info->pt_vars = BITMAP_GGC_ALLOC ();
-      bitmap_copy (new_ptr_info->pt_vars, ptr_info->pt_vars);
-    }
-
   SSA_NAME_PTR_INFO (name) = new_ptr_info;
 }