[driver] Lipo can handle the lto-bc type.
rdar://12000401

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161216 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Types.cpp b/lib/Driver/Types.cpp
index 533e780..9d8fcfd 100644
--- a/lib/Driver/Types.cpp
+++ b/lib/Driver/Types.cpp
@@ -67,7 +67,8 @@
 bool types::canLipoType(ID Id) {
   return (Id == TY_Nothing ||
           Id == TY_Image ||
-          Id == TY_Object);
+          Id == TY_Object ||
+          Id == TY_LTO_BC);
 }
 
 bool types::isAcceptedByClang(ID Id) {