[gcc] GCC 4.5.0=>4.5.1

gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c

Index: gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c
diff --git a/gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c b/gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c
index d72d133e154d391d01f77c708a5837b0d4dce753..6007949546e2235a8d833cc6122a134b37598c1c 100644
--- a/gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c
+++ b/gcc/gcc/testsuite/gcc.dg/tree-ssa/20041122-1.c
@@ -1,6 +1,5 @@
 /* { dg-do compile } */
-/* { dg-options "-O1 -fdump-tree-dom2" } */
-
+/* { dg-options "-O1 -fstrict-aliasing -fdump-tree-fre" } */
 
 __extension__ typedef __SIZE_TYPE__ size_t;
 extern void *xmalloc (size_t) __attribute__ ((__malloc__));
@@ -17,10 +16,10 @@ struct basic_block_def
 typedef struct basic_block_def *basic_block;
 extern int n_basic_blocks;
 extern edge frob ();
-void
-find_unreachable_blocks (int frobit)
+basic_block *
+find_unreachable_blocks (void)
 {
-  basic_block *tos, *worklist, bb;
+  basic_block *tos, *worklist;
   tos = worklist = xmalloc (sizeof (basic_block) * n_basic_blocks);
   edge e = frob();
   if (!(e->dest->flags & 4))
@@ -28,11 +27,12 @@ find_unreachable_blocks (int frobit)
       e->dest->flags |= 4;
       *tos++ = e->dest;
     }
+  return worklist;
 }
 
 /* If the aliasing code does its job properly, then we should be
    able to determine that modifying e->dest->flags does not
-   modify e or e->dest.  The net result is that we only need one
-   load of e->dest.  */
-/* { dg-final { scan-tree-dump-times "->dest" 1 "dom2" { xfail *-*-* } } } */
-/* { dg-final { cleanup-tree-dump "dom2" } } */
+   modify e or e->dest if we can assert strict-aliasing rules.
+   The net result is that we only need one load of e->dest.  */
+/* { dg-final { scan-tree-dump-times "->dest" 1 "fre" } } */
+/* { dg-final { cleanup-tree-dump "fre" } } */