Add codegen support for the __debugbreak intrinsic.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164660 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index b5b6c14..7a0abd7 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -402,6 +402,10 @@
     Value *F = CGM.getIntrinsic(Intrinsic::trap);
     return RValue::get(Builder.CreateCall(F));
   }
+  case Builtin::BI__debugbreak: {
+    Value *F = CGM.getIntrinsic(Intrinsic::debugtrap);
+    return RValue::get(Builder.CreateCall(F));
+  }
   case Builtin::BI__builtin_unreachable: {
     if (CatchUndefined)
       EmitCheck(Builder.getFalse());