From 1860862fe3e5e6491b7c9aec624c638da7dabe61 Mon Sep 17 00:00:00 2001
From: Aaron Ballman <aaron@aaronballman.com>
Date: Fri, 14 Nov 2014 20:31:50 +0000
Subject: [PATCH] MinGW doesn't implement std::to_string; working around it.
 NFC.

llvm-svn: 222033
---
 clang/utils/TableGen/ClangAttrEmitter.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/clang/utils/TableGen/ClangAttrEmitter.cpp b/clang/utils/TableGen/ClangAttrEmitter.cpp
index 71b5c3650f34..efb0b9b906b9 100644
--- a/clang/utils/TableGen/ClangAttrEmitter.cpp
+++ b/clang/utils/TableGen/ClangAttrEmitter.cpp
@@ -1880,8 +1880,13 @@ static void GenerateHasAttrSpellingStringSwitch(
       // present in the caller.
       Test = "LangOpts.CPlusPlus11";
 
+    // FIXME: When MinGW support is dropped, or they gain support for
+    // std::to_string, this hack can be dropped as well.
+    std::stringstream ss;
+    ss << Version;
+
     std::string TestStr =
-        !Test.empty() ? Test + " ? " + std::to_string(Version) + " : 0" : "1";
+        !Test.empty() ? Test + " ? " + ss.str() + " : 0" : "1";
     std::vector<FlattenedSpelling> Spellings = GetFlattenedSpellings(*Attr);
     for (const auto &S : Spellings)
       if (Variety.empty() || (Variety == S.variety() &&