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/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index c7a9b40..b894326 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -329,6 +329,8 @@
     llvm_unreachable("Unexpected builtin type BoundMember");
   case BuiltinType::UnknownAny:
     llvm_unreachable("Unexpected builtin type UnknownAny");
+  case BuiltinType::ARCUnbridgedCast:
+    llvm_unreachable("Unexpected builtin type ARCUnbridgedCast");
   case BuiltinType::NullPtr:
     return DBuilder.
       createNullPtrType(BT->getName(CGM.getContext().getLangOptions()));