From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-vs1-xe2e.google.com (mail-vs1-xe2e.google.com [IPv6:2607:f8b0:4864:20::e2e]) by sourceware.org (Postfix) with ESMTPS id 851983858D32 for ; Sun, 26 Mar 2023 02:01:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 851983858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=cs.washington.edu Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=cs.washington.edu Received: by mail-vs1-xe2e.google.com with SMTP id cu36so4652944vsb.7 for ; Sat, 25 Mar 2023 19:01:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cs.washington.edu; s=goo201206; t=1679796091; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=tAsaV3N9YgdTiEY3CNojkMhZSTwqg6GULOs2bLP7/qQ=; b=DOs1hch1roRxjn9IIs6uROShX1zxOm1eD7JhWuIuNf/oRq9VsiGtk9C4bssm1OWpKe Q5fre++NEvHL8POjbJEaP9L3+NgZL+C+jhGBrxiTA9BbD0ZVdCq2drx/GJ5bD+arM2S4 VpDPAz3iL1bdOt26JgXRnpRi5a/AUJUHnQKqM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679796091; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tAsaV3N9YgdTiEY3CNojkMhZSTwqg6GULOs2bLP7/qQ=; b=lSe4IAqsoL+GIy5/kcx7/cBcG09TCDjjmiczNcrUqDAFwU6O8+d2DggV2okNVFnevz sj+eSc/XngepTyppKb9Zl7KjlM9FTMFy8B1gUwbkzf6ecNhXBnjc24i51B0wFH5On1SN C4/aKvGoRCzOCEe5S4oIhSiJtLpJ6aacyIc/j0D44BinFV/KuwTO9HGBN3YQPBdDCoe0 MuDc8QUIFFq+kvH3FzukL/d6lqH8+cRMHEccTUtnUqh6JCfGcy8xdzG5AOxyAUgl0RM9 GIvgAgVr9GcV1Y2ei7xOwaQPgq4jTl9hCkrFizNuGkCAChArKzDQEvE3AwJEZ7FbX1XP fOhg== X-Gm-Message-State: AAQBX9duveF5qjwTKjrBmEkQc5fsgxCkZWvKTx4GOQURTLpwSBIBX0oJ 3XKY3bi//lKUJU8z/5U1avdrN/km/xV46xScaxK8JrhqeEeKKBrF X-Google-Smtp-Source: AKy350Zlek3gTFKddrhVwQqK0HWiHQVBUOx38A+iNwk/w7Oagzm/czL4xGkkIAA2u7XWGlDQj8KP63IEpauRv3eqHQs= X-Received: by 2002:a67:d99b:0:b0:402:9b84:1be4 with SMTP id u27-20020a67d99b000000b004029b841be4mr3731408vsj.6.1679796090558; Sat, 25 Mar 2023 19:01:30 -0700 (PDT) MIME-Version: 1.0 References: <7f83711f-5094-6c6d-822b-966293062afc@inria.fr> In-Reply-To: <7f83711f-5094-6c6d-822b-966293062afc@inria.fr> From: Ken Matsui Date: Sat, 25 Mar 2023 19:01:19 -0700 Message-ID: Subject: Re: [GSoC] Conflicted Built-in Trait Name To: libstdc++@gcc.gnu.org Cc: gcc@gcc.gnu.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-3.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Sat, Mar 25, 2023 at 5:38=E2=80=AFAM Marc Glisse = wrote: > > On Sat, 25 Mar 2023, Ken Matsui via Gcc wrote: > > > Built-in trait naming simply adds two underscores (__) to the original > > trait name. However, the same names are already in use for some > > built-in traits, such as is_void, is_pointer, and is_signed. > > > > For example, __is_void is used in the following files: > > > > * gcc/testsuite/g++.dg/tm/pr46567.C > > This is a testcase, you can rename __is_void to whatever in there, it > doesn't matter. > > > * libstdc++-v3/include/bits/cpp_type_traits.h > > This __is_void seems to be used in a single place in > include/debug/helper_functions.h, couldn't we tweak that code so __is_voi= d > becomes unused and can be removed? That worked. Thank you! So, we can remove a code in a header as long as it is not standard and is not used elsewhere, can't we?