Get RegionStore to work with the retain/release checker and its test cases.

Because the RegionStore can reason about values beyond the reasoning power of BasicStore, this patch splits some of the test cases for the retain/release checker to have versions that are handled by RegionStore (more warnings) and BasicStore (less warnings).

llvm-svn: 62667
diff --git a/clang/test/Analysis/cfref_rdar6080742.c b/clang/test/Analysis/cfref_rdar6080742.c
index 1364e8f..b1038bc 100644
--- a/clang/test/Analysis/cfref_rdar6080742.c
+++ b/clang/test/Analysis/cfref_rdar6080742.c
@@ -1,4 +1,5 @@
-// RUN: clang -analyze -checker-cfref -verify %s
+// RUN: clang -analyze -checker-cfref -analyzer-store-basic -verify %s &&
+// RUN: clang -analyze -checker-cfref -analyzer-store-region -verify %s
 
 // This test case was reported in <rdar:problem/6080742>.
 // It tests path-sensitivity with respect to '!(cfstring != 0)' (negation of inequality).