Do not consider explicit constructors when performing a copy to a
temporary object. This is blindingly obvious from reading C++
[over.match.ctor]p1, but somehow I'd missed it and it took DR152 to
educate me. Adjust one test that was relying on this non-standard
behavior.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101688 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaInit.cpp b/lib/Sema/SemaInit.cpp
index 4986fcb..db7c1b3 100644
--- a/lib/Sema/SemaInit.cpp
+++ b/lib/Sema/SemaInit.cpp
@@ -3174,7 +3174,8 @@
     // Only consider copy constructors.
     CXXConstructorDecl *Constructor = dyn_cast<CXXConstructorDecl>(*Con);
     if (!Constructor || Constructor->isInvalidDecl() ||
-        !Constructor->isCopyConstructor())
+        !Constructor->isCopyConstructor() ||
+        !Constructor->isConvertingConstructor(/*AllowExplicit=*/false))
       continue;
 
     DeclAccessPair FoundDecl