diff --git a/test/CodeGen/2008-08-25-incompatible-cond-expr.m b/test/CodeGen/2008-08-25-incompatible-cond-expr.m
index 481fe10..c589355 100644
--- a/test/CodeGen/2008-08-25-incompatible-cond-expr.m
+++ b/test/CodeGen/2008-08-25-incompatible-cond-expr.m
@@ -1,3 +1,5 @@
+// RUN: clang -emit-llvm -o %t %s
+
 @protocol P0
 @end
 @interface A <P0>