diff --git a/clang/test/CodeGen/functions.c b/clang/test/CodeGen/functions.c
index 1e79f0150142..5629ef582a60 100644
--- a/clang/test/CodeGen/functions.c
+++ b/clang/test/CodeGen/functions.c
@@ -30,7 +30,7 @@ void f2(void) {
 // CHECK: define void @f1()
 void f1() {}
 
-// CHECK: define {{.*}} @f3()
+// CHECK: define {{.*}} @f3{{\(\)|\(.*sret.*\)}}
 struct foo { int X, Y, Z; } f3() {
   while (1) {}
 }