diff --git a/test/Sema/static-init.c b/test/Sema/static-init.c
index a4035e6..b3c8d0f 100644
--- a/test/Sema/static-init.c
+++ b/test/Sema/static-init.c
@@ -16,4 +16,5 @@
 };
 
 union bar u[1];
-struct foo x = {(int) u}; // no-error
+struct foo x = {(long) u}; // no-error
+struct foo y = {(char) u}; // expected-error {{initializer element is not a compile-time constant}}