Make sure to check the value of the constant expression, as suggested by Daniel.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65021 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/const-eval.c b/test/Sema/const-eval.c
index a565041..4fd2a55 100644
--- a/test/Sema/const-eval.c
+++ b/test/Sema/const-eval.c
@@ -33,4 +33,4 @@
 // ?: in constant expressions.
 int g17[(3?:1) - 2]; 
 
-EVAL_EXPR(18, (int)((void*)10 + 10));
+EVAL_EXPR(18, ((int)((void*)10 + 10)) == 20 ? 1 : -1);