diff --git a/test/CodeGen/conditional-gnu-ext.c b/test/CodeGen/conditional-gnu-ext.c
index d4ae330..c3ff2bd 100644
--- a/test/CodeGen/conditional-gnu-ext.c
+++ b/test/CodeGen/conditional-gnu-ext.c
@@ -4,3 +4,9 @@
 int foo(int x, short y) {
   return x ?: y;
 }
+
+// rdar://6586493
+float test(float x, int Y) {
+  return Y != 0 ? : x;
+}
+