From 862439c7cb77c662314371f1d1b298d69264a9a9 Mon Sep 17 00:00:00 2001
From: Zachary Turner <zturner@google.com>
Date: Fri, 20 Jul 2018 16:51:55 +0000
Subject: [PATCH] Change bool_constant to integral_constant.

bool_constant is C++17.

llvm-svn: 337576
---
 llvm/include/llvm/ADT/STLExtras.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/include/llvm/ADT/STLExtras.h b/llvm/include/llvm/ADT/STLExtras.h
index d1756d4..94365dd 100644
--- a/llvm/include/llvm/ADT/STLExtras.h
+++ b/llvm/include/llvm/ADT/STLExtras.h
@@ -61,7 +61,8 @@ using ValueOfRange = typename std::remove_reference<decltype(
 //     Extra additions to <type_traits>
 //===----------------------------------------------------------------------===//
 
-template <typename T> struct negation : std::bool_constant<!bool(T::value)> {};
+template <typename T>
+struct negation : std::integral_constant<bool, !bool(T::value)> {};
 
 template <typename...> struct conjunction : std::true_type {};
 template <typename B1> struct conjunction<B1> : B1 {};
-- 
2.7.4