1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/20070824-1.c b/gcc/testsuite/gcc.c-torture/execute/20070824-1.c
new file mode 100644
index 000000000..74eb58c05
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/20070824-1.c
@@ -0,0 +1,24 @@
+/* PR tree-optimization/33136 */
+
+extern void abort (void);
+
+struct S
+{
+  struct S *a;
+  int b;
+};
+
+int
+main (void)
+{
+  struct S *s = (struct S *) 0, **p, *n;
+  for (p = &s; *p; p = &(*p)->a);
+  n = (struct S *) __builtin_alloca (sizeof (*n));
+  n->a = *p;
+  n->b = 1;
+  *p = n;
+
+  if (!s)
+    abort ();
+  return 0;
+}