PR4395: Don't detect token concatenation in C mode for 
C++-specific tokens.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Lexer/token-concat-2.c b/test/Lexer/token-concat-2.c
new file mode 100644
index 0000000..2891654
--- /dev/null
+++ b/test/Lexer/token-concat-2.c
@@ -0,0 +1,4 @@
+// RUN: clang-cc -E -x c -o - %s | grep '[.][*]'
+// PR4395
+#define X .*
+X