Index: lib/CodeGen/CGBuiltin.cpp
===================================================================
--- lib/CodeGen/CGBuiltin.cpp	(revision 164362)
+++ lib/CodeGen/CGBuiltin.cpp	(working copy)
@@ -398,6 +398,7 @@
     Value *F = CGM.getIntrinsic(Intrinsic::readcyclecounter);
     return RValue::get(Builder.CreateCall(F));
   }
+  case Builtin::BI__debugbreak:
   case Builtin::BI__builtin_trap: {
     Value *F = CGM.getIntrinsic(Intrinsic::trap);
     return RValue::get(Builder.CreateCall(F));