Put the region store specific test in a separate file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63930 91177308-0d34-0410-b5e6-96231b3b80d8

test/Analysis/null-deref-ps.c

@@ -212,12 +212,3 @@ void f12(HF12ITEM i, char *q) {
   *p = 1; // no-warning
 }
 
-// Exercise ElementRegion with SymbolicRegion as super region.
-void foo(int* p) {
-  int *x;
-  int a;
-  if (p[0] == 1)
-    x = &a;
-  if (p[0] == 1)
-    *x; // no-warning
-}

test/Analysis/region-only-test.c

@@ -0,0 +1,13 @@
+// RUN: clang -analyze -checker-simple -analyzer-store-region -verify %s
+
+// Region store must be enabled for tests in this file.
+
+// Exercise creating ElementRegion with symbolic super region.
+void foo(int* p) {
+  int *x;
+  int a;
+  if (p[0] == 1)
+    x = &a;
+  if (p[0] == 1)
+    *x; // no-warning
+}