Allow reference binding of a reference of Objective-C object type to

an lvalue of another, compatible Objective-C object type (e.g., a
subclass). Introduce a new initialization sequence step kind to
describe this binding, along with a new cast kind. Fixes PR7741.

llvm-svn: 110513

1 files changed, 2 insertions, 1 deletions

diff --git a/clang/lib/Checker/GRExprEngine.cpp b/clang/lib/Checker/GRExprEngine.cpp
index ccb836fb695..4c1838f596d 100644
--- a/clang/lib/Checker/GRExprEngine.cpp
+++ b/clang/lib/Checker/GRExprEngine.cpp
@@ -2514,7 +2514,8 @@ void GRExprEngine::VisitCast(const CastExpr *CastE, const Expr *Ex,
   case CastExpr::CK_AnyPointerToObjCPointerCast:
   case CastExpr::CK_AnyPointerToBlockPointerCast:
   case CastExpr::CK_DerivedToBase:
-  case CastExpr::CK_UncheckedDerivedToBase: {
+  case CastExpr::CK_UncheckedDerivedToBase:
+  case CastExpr::CK_ObjCObjectLValueCast: {
     // Delegate to SValuator to process.
     for (ExplodedNodeSet::iterator I = S2.begin(), E = S2.end(); I != E; ++I) {
       ExplodedNode* N = *I;