The keywords "true" and "false" shouldn't warn under -Wundef.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164279 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/cxx_true.cpp b/test/Preprocessor/cxx_true.cpp
index b123e0c..5ee2972 100644
--- a/test/Preprocessor/cxx_true.cpp
+++ b/test/Preprocessor/cxx_true.cpp
@@ -1,6 +1,7 @@
 /* RUN: %clang_cc1 -E %s -x c++ | grep block_1
    RUN: %clang_cc1 -E %s -x c++ | not grep block_2
    RUN: %clang_cc1 -E %s -x c | not grep block
+   RUN: %clang_cc1 -E %s -x c++ -verify -Wundef
 */
 
 #if true