[libcxx-commits] [libcxx] [libc++] Disables -Wweak-vtables diagnostics. (PR #85577)

[Mark de Wever via libcxx-commits]

https://github.com/mordante created https://github.com/llvm/llvm-project/pull/85577

This is a preparation to use Clang HEAD in the CI.

>From 0d0f026e0e2e654baf5bba417024c8e1d141aea6 Mon Sep 17 00:00:00 2001
From: Mark de Wever <koraq at xs4all.nl>
Date: Sun, 17 Mar 2024 18:59:51 +0100
Subject: [PATCH] [libc++] Disables -Wweak-vtables diagnostics.

This is a preparation to use Clang HEAD in the CI.
---
 libcxx/include/__expected/bad_expected_access.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libcxx/include/__expected/bad_expected_access.h b/libcxx/include/__expected/bad_expected_access.h
index 27f01d9350eea6..32547eba657633 100644
--- a/libcxx/include/__expected/bad_expected_access.h
+++ b/libcxx/include/__expected/bad_expected_access.h
@@ -27,6 +27,8 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template <class _Err>
 class bad_expected_access;
 
+_LIBCPP_DIAGNOSTIC_PUSH
+_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wweak-vtables")
 template <>
 class bad_expected_access<void> : public exception {
 protected:
@@ -58,6 +60,7 @@ class bad_expected_access : public bad_expected_access<void> {
 private:
   _Err __unex_;
 };
+_LIBCPP_DIAGNOSTIC_POP
 
 _LIBCPP_END_NAMESPACE_STD