diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index d68d948f2c4f..8e466385b4d2 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -4467,7 +4467,7 @@ public:
                                     const DeclSpec &DS,
                                     SourceLocation IdLoc,
                                     SourceLocation LParenLoc,
-                                    Expr **Args, unsigned NumArgs,
+                                    ArrayRef<Expr *> Args,
                                     SourceLocation RParenLoc,
                                     SourceLocation EllipsisLoc);
 
diff --git a/clang/lib/Parse/ParseDeclCXX.cpp b/clang/lib/Parse/ParseDeclCXX.cpp
index f1fbbb15fed5..ae1ff37e6bc8 100644
--- a/clang/lib/Parse/ParseDeclCXX.cpp
+++ b/clang/lib/Parse/ParseDeclCXX.cpp
@@ -2809,9 +2809,8 @@ Parser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) {
 
     return Actions.ActOnMemInitializer(ConstructorDecl, getCurScope(), SS, II,
                                        TemplateTypeTy, DS, IdLoc,
-                                       T.getOpenLocation(), ArgExprs.data(),
-                                       ArgExprs.size(), T.getCloseLocation(),
-                                       EllipsisLoc);
+                                       T.getOpenLocation(), ArgExprs,
+                                       T.getCloseLocation(), EllipsisLoc);
   }
 
   Diag(Tok, getLangOpts().CPlusPlus11 ? diag::err_expected_lparen_or_lbrace
diff --git a/clang/lib/Sema/SemaDeclCXX.cpp b/clang/lib/Sema/SemaDeclCXX.cpp
index bece972a576f..b86a2b92779d 100644
--- a/clang/lib/Sema/SemaDeclCXX.cpp
+++ b/clang/lib/Sema/SemaDeclCXX.cpp
@@ -2254,12 +2254,11 @@ Sema::ActOnMemInitializer(Decl *ConstructorD,
                           const DeclSpec &DS,
                           SourceLocation IdLoc,
                           SourceLocation LParenLoc,
-                          Expr **Args, unsigned NumArgs,
+                          ArrayRef<Expr *> Args,
                           SourceLocation RParenLoc,
                           SourceLocation EllipsisLoc) {
   Expr *List = new (Context) ParenListExpr(Context, LParenLoc,
-                                           llvm::makeArrayRef(Args, NumArgs),
-                                           RParenLoc);
+                                           Args, RParenLoc);
   return BuildMemInitializer(ConstructorD, S, SS, MemberOrBase, TemplateTypeTy,
                              DS, IdLoc, List, EllipsisLoc);
 }