Fix this for real.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index ab1062f..f22c117 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -1394,7 +1394,7 @@
           Constructor = cast<CXXConstructorDecl>(*Con);
         
         if (!Constructor->isInvalidDecl() &&
-            Constructor->isConvertingConstructor()) {
+            Constructor->isConvertingConstructor(AllowExplicit)) {
           if (ConstructorTmpl)
             AddTemplateOverloadCandidate(ConstructorTmpl, false, 0, 0, &From, 
                                          1, CandidateSet,