diff --git a/test/CodeGen/trunc-array-initializer.c b/test/CodeGen/trunc-array-initializer.c
index 6f4caf4..f397657 100644
--- a/test/CodeGen/trunc-array-initializer.c
+++ b/test/CodeGen/trunc-array-initializer.c
@@ -1,3 +1,3 @@
-// RUN: clang -emit-llvm %s
+// RUN: clang -emit-llvm %s -o %t
 
 int ary[2] = { 1, 2, 3 };