update to CXXFunctionalCastExpr to support ir-gen for
type convesions of class objects [class.conv]. WIP.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80127 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 669705b..cf52bae 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -210,12 +210,15 @@
   //
   if (NumExprs == 1) {
     CastExpr::CastKind Kind = CastExpr::CK_Unknown;
-    if (CheckCastTypes(TypeRange, Ty, Exprs[0], Kind, /*functional-style*/true))
+    CXXMethodDecl *ConversionDecl = 0;
+    if (CheckCastTypes(TypeRange, Ty, Exprs[0], Kind, ConversionDecl,
+                       /*functional-style*/true))
       return ExprError();
     exprs.release();
     return Owned(new (Context) CXXFunctionalCastExpr(Ty.getNonReferenceType(),
                                                      Ty, TyBeginLoc, Kind,
-                                                     Exprs[0], RParenLoc));
+                                                     Exprs[0], ConversionDecl, 
+                                                     RParenLoc));
   }
 
   if (const RecordType *RT = Ty->getAs<RecordType>()) {