Add test case for PointerSubChecker.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86657 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 0 deletions

diff --git a/test/Analysis/ptr-arith.c b/test/Analysis/ptr-arith.c
index f77d7f5ee5..fd780e8e10 100644
--- a/test/Analysis/ptr-arith.c
+++ b/test/Analysis/ptr-arith.c
@@ -55,3 +55,8 @@ void f5() {
   int a[10];
   p = a + 1; // no-warning
 }
+
+// Allow arithmetic on different symbolic regions.
+void f6(int *p, int *q) {
+  int d = q - p; // no-warning
+}