Attempt to fix buildbot failure on Windows.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142008 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index 2f47a1e..76d39d9 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -7511,7 +7511,8 @@
         if (L->DeductionFailure.Result != R->DeductionFailure.Result)
           return RankDeductionFailure(L->DeductionFailure)
               <= RankDeductionFailure(R->DeductionFailure);
-      }
+      } else if (R->FailureKind == ovl_fail_bad_deduction)
+        return false;
 
       // TODO: others?
     }