From: George Karpenkov <ekarpenkov@apple.com>
Date: Wed, 11 Oct 2017 19:13:15 +0000 (+0000)
Subject: [Analyzer] Fix introduced regression: properly check for nullable attribute.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=83aa10497af070cf589b373d04cf4f6791d4f48f;p=clang

[Analyzer] Fix introduced regression: properly check for nullable attribute.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@315492 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/StaticAnalyzer/Checkers/NonnullStringConstantsChecker.cpp b/lib/StaticAnalyzer/Checkers/NonnullStringConstantsChecker.cpp
index 47b3304541..516544b0f5 100644
--- a/lib/StaticAnalyzer/Checkers/NonnullStringConstantsChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/NonnullStringConstantsChecker.cpp
@@ -122,7 +122,8 @@ bool NonnullStringConstantsChecker::isStringlike(QualType Ty) const {
     return true;
 
   if (auto *T = dyn_cast<ObjCObjectPointerType>(Ty)) {
-    return T->getInterfaceDecl()->getIdentifier() == NSStringII;
+    return T->getInterfaceDecl() &&
+      T->getInterfaceDecl()->getIdentifier() == NSStringII;
   } else if (auto *T = dyn_cast<TypedefType>(Ty)) {
     return T->getDecl()->getIdentifier() == CFStringRefII;
   }