Add a new placeholder type to represent "unbridged"
casts in ARC.

No semantic analysis yet.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142208 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index fbdb298..c4526fc 100644
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -199,6 +199,7 @@
     case BuiltinType::Dependent:
     case BuiltinType::BoundMember:
     case BuiltinType::UnknownAny:
+    case BuiltinType::ARCUnbridgedCast:
       llvm_unreachable("asking for RRTI for a placeholder type!");
       
     case BuiltinType::ObjCId: