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From: Stephan Bergmann <sbergman@redhat.com>
To: Jonathan Wakely <jwakely@redhat.com>,
	Thomas Rodgers <rodgert@appliantology.com>
Cc: Thomas Rodgers <trodgers@redhat.com>,
	libstdc++ <libstdc++@gcc.gnu.org>,
	gcc Patches <gcc-patches@gcc.gnu.org>,
	Thomas Rodgers <rodgert@twrodgers.com>
Subject: Re: [PATCH] libstdc++: Implement C++20 atomic<shared_ptr> and atomic<weak_ptr>
Date: Mon, 17 Jan 2022 10:39:52 +0100	[thread overview]
Message-ID: <893cd31c-d401-81d3-a8e3-55fd08abd9d2@redhat.com> (raw)
In-Reply-To: <CACb0b4=FLwQ9LyzAUdhHtAimgWOuG4y-uBUCgfL7qeewHuE4gg@mail.gmail.com>

On 1/17/22 01:12, Jonathan Wakely via Libstdc++ wrote:
> Here's the finished version of that patch, which is all inline in the
> header, and performs faster too.
> 
> Tested powerpc64le-linux and x86_64-linux.
> Pushed to trunk.

FYI, recent Clang still requires typename in two places to compile 
<memory> with -std=c++20,

> diff --git a/libstdc++-v3/include/bits/shared_ptr_atomic.h b/libstdc++-v3/include/bits/shared_ptr_atomic.h
> index 900499bae32..50aa46370ca 100644
> --- a/libstdc++-v3/include/bits/shared_ptr_atomic.h
> +++ b/libstdc++-v3/include/bits/shared_ptr_atomic.h
> @@ -456,8 +456,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
>        typename _Tp::element_type* _M_ptr;
>        _Atomic_count _M_refcount;
>  
> -      static _Atomic_count::pointer
> -      _S_add_ref(_Atomic_count::pointer __p)
> +      static typename _Atomic_count::pointer
> +      _S_add_ref(typename _Atomic_count::pointer __p)
>        {
>  	if (__p)
>  	  {


  reply	other threads:[~2022-01-17  9:39 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-17 17:51 Thomas Rodgers
2021-09-18  4:01 ` Thomas Rodgers
2022-01-14 22:40   ` Jonathan Wakely
2022-01-17  0:12     ` Jonathan Wakely
2022-01-17  9:39       ` Stephan Bergmann [this message]
2022-01-17  9:54         ` Jonathan Wakely
2022-01-18 18:04 David Edelsohn

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