Incorporate feedback from Eli.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68107 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/ucn-cstring.c b/test/Sema/ucn-cstring.c
index ec760f4..6d021fd 100644
--- a/test/Sema/ucn-cstring.c
+++ b/test/Sema/ucn-cstring.c
@@ -3,6 +3,8 @@
 #include <stdio.h>
 
 int main(void) {
+  int a[sizeof("hello \u2192 \u2603 \u2190 world") == 24 ? 1 : -1];
+  
   printf("%s (%d)\n", "hello \u2192 \u2603 \u2190 world", sizeof("hello \u2192 \u2603 \u2190 world"));
   printf("%s (%d)\n", "\U00010400\U0001D12B", sizeof("\U00010400\U0001D12B"));
   // Some error conditions...