From bd6a982c89cf80caf339ec5d46f0a0b4d2afa29d Mon Sep 17 00:00:00 2001
From: Louis Dionne <ldionne.2@gmail.com>
Date: Mon, 6 Feb 2023 17:33:20 -0800
Subject: [PATCH] [libc++] Add missing _LIBCPP_HIDE_FROM_ABI

Differential Revision: https://reviews.llvm.org/D143451
---
 libcxx/include/string | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libcxx/include/string b/libcxx/include/string
index 9f5838d..98d6c14 100644
--- a/libcxx/include/string
+++ b/libcxx/include/string
@@ -4445,11 +4445,11 @@ const typename basic_string<_CharT, _Traits, _Allocator>::size_type
                basic_string<_CharT, _Traits, _Allocator>::npos;
 
 template <class _CharT, class _Allocator>
-struct __string_hash : public __unary_function<basic_string<_CharT, char_traits<_CharT>, _Allocator>, size_t>
-{
-    size_t
-    operator()(const basic_string<_CharT, char_traits<_CharT>, _Allocator>& __val) const _NOEXCEPT
-    { return std::__do_string_hash(__val.data(), __val.data() + __val.size()); }
+struct __string_hash : public __unary_function<basic_string<_CharT, char_traits<_CharT>, _Allocator>, size_t> {
+    _LIBCPP_HIDE_FROM_ABI size_t
+    operator()(const basic_string<_CharT, char_traits<_CharT>, _Allocator>& __val) const _NOEXCEPT {
+        return std::__do_string_hash(__val.data(), __val.data() + __val.size());
+    }
 };
 
 template <class _Allocator>
-- 
2.7.4