1 files changed, 8 insertions, 6 deletions
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index 43aad09817..bd5a1ed3d0 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -1833,14 +1833,16 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
     FieldDecl *NewField = FieldsWithMemberInitializers[I].second;
     Expr *OldInit = OldField->getInClassInitializer();
 
-    SourceLocation LParenLoc, RParenLoc;
-    ASTOwningVector<Expr*> NewArgs(*this);
-    if (InstantiateInitializer(OldInit, TemplateArgs, LParenLoc, NewArgs,
-                               RParenLoc))
+    ExprResult NewInit = SubstInitializer(OldInit, TemplateArgs,
+                                          /*CXXDirectInit=*/false);
+    if (NewInit.isInvalid())
       NewField->setInvalidDecl();
     else {
-      assert(NewArgs.size() == 1 && "wrong number of in-class initializers");
-      ActOnCXXInClassMemberInitializer(NewField, LParenLoc, NewArgs[0]);
+      Expr *Init = NewInit.take();
+      assert(Init && "no-argument initializer in class");
+      assert(!isa<ParenListExpr>(Init) && "call-style init in class");
+      ActOnCXXInClassMemberInitializer(NewField,
+                                       Init->getSourceRange().getBegin(), Init);
     }
   }