If a nonnull argument evaluates to UnknownVal, don't warn (and don't crash).

llvm-svn: 106456

1 files changed, 5 insertions, 0 deletions

diff --git a/clang/test/Analysis/null-deref-ps.c b/clang/test/Analysis/null-deref-ps.c
index 5a1049c7d71..eac7957fb92 100644
--- a/clang/test/Analysis/null-deref-ps.c
+++ b/clang/test/Analysis/null-deref-ps.c
@@ -118,6 +118,11 @@ void f6d(int *p) {
   }  
 }
 
+void f6e(int *p, int offset) {
+  // PR7406 - crash from treating an UnknownVal as defined, to see if it's 0.
+  bar((p+offset)+1, 0); // not crash
+}
+
 int* qux();
 
 int f7(int x) {