diff --git a/test/Analysis/stackaddrleak.c b/test/Analysis/stackaddrleak.c
index 0076b27..b9088fa 100644
--- a/test/Analysis/stackaddrleak.c
+++ b/test/Analysis/stackaddrleak.c
@@ -12,3 +12,7 @@
   p = str; 
   p = 0; // no-warning
 }
+
+void f2() {
+  p = (const char *) __builtin_alloca(12); // expected-warning {{Stack address was saved into a global variable.}}
+}