From 85edca95c67db6f820d8f15ffb27b04d3eb1a4b1 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Tue, 13 Sep 2016 20:00:02 +0000
Subject: [PATCH] Work around MSVC 2013's inability to default move special
 members.

llvm-svn: 281382
---
 clang/utils/TableGen/ClangDiagnosticsEmitter.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
index d6881ae..00769a4 100644
--- a/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
+++ b/clang/utils/TableGen/ClangDiagnosticsEmitter.cpp
@@ -911,9 +911,9 @@ namespace {
 struct DiagText {
   struct Piece {
     // This type and its derived classes are move-only.
-    Piece() = default;
-    Piece(Piece &&O) = default;
-    Piece &operator=(Piece &&O) = default;
+    Piece() {}
+    Piece(Piece &&O) {}
+    Piece &operator=(Piece &&O) { return *this; }
 
     virtual void print(std::vector<std::string> &RST) = 0;
     virtual ~Piece() {}
-- 
2.7.4