1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr19633.c b/gcc/testsuite/gcc.dg/tree-ssa/pr19633.c
new file mode 100644
index 000000000..01c7eec31
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr19633.c
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-ssa-vops" } */
+struct S
+{
+  int w, x, y, z;
+};
+struct T
+{
+  int r;
+  struct S s;
+};
+void bar (struct S, int);
+void
+foo (int a, struct T b)
+{
+  struct S x;
+  struct S *c = &x;
+  if (a)
+    c = &b.s;
+  bar (*c, a);
+}
+
+/* Make sure that .GLOBAL_VAR is not created when there are no
+   clobbering calls.  */
+/* { dg-final { scan-tree-dump-times "GLOBAL_VAR" 0 "ssa"} } */
+/* { dg-final { cleanup-tree-dump "ssa" } } */