Multiple tests in a single test file must be linked with '&&'.
Otherwise, failing tests other than the last one will not be reported.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@52231 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/constant-comparison.c b/test/CodeGen/constant-comparison.c
index bc48ac4..b7b2a0e 100644
--- a/test/CodeGen/constant-comparison.c
+++ b/test/CodeGen/constant-comparison.c
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm %s -o - 2>&1 | not grep warning
+// RUN: clang -emit-llvm %s -o - 2>&1 | not grep warning &&
 // RUN: clang -emit-llvm %s -o - | grep @b | count 1
 
 int a, b;