Stage two of getting CFE top correct.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@39734 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Preprocessor/stringize_space.c b/test/Preprocessor/stringize_space.c
new file mode 100644
index 0000000..8c83677
--- /dev/null
+++ b/test/Preprocessor/stringize_space.c
@@ -0,0 +1,4 @@
+// RUN: clang -E %s | grep -- '-"" , - "" , -"" , - ""'
+
+#define A(b) -#b  ,  - #b  ,  -# b  ,  - # b
+A()