1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.4.0/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c b/gcc-4.4.0/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-26.c
new file mode 100644
index 000000000..65c75ede3
--- /dev/null
+++ b/gcc-4.4.0/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 dead store" "pre" } } */
+/* { dg-final { cleanup-tree-dump "pre" } } */