implement the microsoft/gnu "__COUNTER__" macro: rdar://4329310

llvm-svn: 68933
diff --git a/clang/test/PCH/variables.c b/clang/test/PCH/variables.c
index 749b7b6..f725e7d 100644
--- a/clang/test/PCH/variables.c
+++ b/clang/test/PCH/variables.c
@@ -15,4 +15,8 @@
 
 int Q = A_MACRO_IN_THE_PCH;
 
-int R = FUNCLIKE_MACRO(A_MACRO_, IN_THE_PCH);
\ No newline at end of file
+int R = FUNCLIKE_MACRO(A_MACRO_, IN_THE_PCH);
+
+
+int UNIQUE(a);  // a2
+int *Arr[] = { &a0, &a1, &a2 };