* tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): New.

	(decl_refs_may_alias_p): Add REF1 and REF2 parameters.
	Use nonoverlapping_component_refs_of_decl_p to disambiguate component
	references.
	(refs_may_alias_p_1): Adjust call to decl_refs_may_alias_p.
	* tree-streamer.c (record_common_node): Adjust reference in comment.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198024 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 2 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i2.c b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i2.c
index 25cabb693c5..dca34ef1f29 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i2.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-strided-a-u16-i2.c
@@ -10,6 +10,8 @@ typedef struct {
    unsigned short b;
 } s;
 
+volatile int y = 0;
+
 __attribute__ ((noinline)) int
 main1 ()
 {
@@ -22,8 +24,8 @@ main1 ()
     {
       arr[i].a = i;
       arr[i].b = i * 2;
-      if (arr[i].a == 178)
-         abort();
+      if (y) /* Avoid vectorization.  */
+        abort ();
     }
 
   for (i = 0; i < N; i++)