From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1851) id 130C53858C54; Wed, 5 Oct 2022 12:53:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 130C53858C54 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1664974421; bh=/Cj3ZWNBSlJZtF6JT7fl79i9eaxCJE6fCveSjGa4R0U=; h=From:To:Subject:Date:From; b=jpwfM2uDvK9uOUeiHM5iffdZWvXdH+ALyHfvlJniOWxojdHGogpOaYBz2xa7itIrf hlUFpSi5dfoWGP7tV3E3hIZ3o68kovd4JTRJwdbyBFUtCjDCkTAZggFel2wNoLFSIw 8ZIMHMSP+AmIBKvax8/Hd44FkFyvDwGzrp5JRopQ= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Martin Liska To: gcc-cvs@gcc.gnu.org Subject: [gcc r13-3088] c: support the attribute starting with '_' X-Act-Checkin: gcc X-Git-Author: Martin Liska X-Git-Refname: refs/heads/master X-Git-Oldrev: dc70f3f81bb980b69a1910c2e6d3774ddd716846 X-Git-Newrev: 0afa9dfb8fb3302db7f104add5654436927dcb56 Message-Id: <20221005125341.130C53858C54@sourceware.org> Date: Wed, 5 Oct 2022 12:53:41 +0000 (GMT) List-Id: https://gcc.gnu.org/g:0afa9dfb8fb3302db7f104add5654436927dcb56 commit r13-3088-g0afa9dfb8fb3302db7f104add5654436927dcb56 Author: Martin Liska Date: Wed Oct 5 12:34:30 2022 +0200 c: support the attribute starting with '_' PR c/107156 gcc/ChangeLog: * attribs.h (lookup_attribute_by_prefix): Support the attribute starting with underscore (_Noreturn). Diff: --- gcc/attribs.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/attribs.h b/gcc/attribs.h index b2836560fc2..121b9ebbc39 100644 --- a/gcc/attribs.h +++ b/gcc/attribs.h @@ -274,8 +274,8 @@ lookup_attribute_by_prefix (const char *attr_name, tree list) } const char *p = IDENTIFIER_POINTER (name); - gcc_checking_assert (attr_len == 0 || p[0] != '_'); - + gcc_checking_assert (attr_len == 0 || p[0] != '_' + || (ident_len > 1 && p[1] != '_')); if (strncmp (attr_name, p, attr_len) == 0) break;