From b89956c812bbb4d3196acb2e0db49051ad3d6e20 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Wed, 17 Jan 2018 19:32:35 +0000
Subject: [PATCH] libcxx: Disable CFI in function std::get_temporary_buffer.

The specification of this function mandates a cast to uninitialized
T*, which is forbidden under CFI.

Differential Revision: https://reviews.llvm.org/D42146

llvm-svn: 322744
---
 libcxx/include/memory | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libcxx/include/memory b/libcxx/include/memory
index 56502e2a15a2..22737314dec6 100644
--- a/libcxx/include/memory
+++ b/libcxx/include/memory
@@ -1992,6 +1992,7 @@ public:
 };
 
 template <class _Tp>
+_LIBCPP_NO_CFI
 pair<_Tp*, ptrdiff_t>
 get_temporary_buffer(ptrdiff_t __n) _NOEXCEPT
 {