merge from trunkprofile-stdlib

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/profile-stdlib@154052 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 27 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
new file mode 100644
index 00000000000..978b7abab3a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-Os -fdump-tree-pre-details" } */
+
+typedef union
+{
+  int* data;
+} SA;
+
+typedef struct
+{
+  int reserved;
+  char* array;
+}SB;
+
+typedef struct
+{
+  int status;
+}SC;
+
+void foo(SA* pResult, SB* method, SC* self)
+{
+  if (method->array[0] == 'L' && !self->status && pResult->data != 0)
+    pResult->data = pResult->data;
+}
+
+/* { dg-final { scan-tree-dump "Deleted redundant store" "pre" } } */
+/* { dg-final { cleanup-tree-dump "pre" } } */