1 files changed, 6 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Core/CallEvent.cpp b/lib/StaticAnalyzer/Core/CallEvent.cpp
index ee761689f479..1858bfd89637 100644
--- a/lib/StaticAnalyzer/Core/CallEvent.cpp
+++ b/lib/StaticAnalyzer/Core/CallEvent.cpp
@@ -957,6 +957,12 @@ RuntimeDefinition ObjCMethodCall::getRuntimeDefinition() const {
         return RuntimeDefinition();
 
       DynamicTypeInfo DTI = getDynamicTypeInfo(getState(), Receiver);
+      if (!DTI.isValid()) {
+        assert(isa<AllocaRegion>(Receiver) &&
+               "Unhandled untyped region class!");
+        return RuntimeDefinition();
+      }
+
       QualType DynType = DTI.getType();
       CanBeSubClassed = DTI.canBeASubClass();
       ReceiverT = dyn_cast<ObjCObjectPointerType>(DynType.getCanonicalType());