From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id C2A1F385829D; Fri,  7 Oct 2022 17:44:55 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C2A1F385829D
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1665164695;
	bh=ZHzrRPY9zqCXiZhwrkH/O3eM4KpygVqNrOC2a5IP/N0=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=ZqPd06DGD6Khvujk/VAWTJSZU76BkfLo6jLeA1kVtuB8ALxZPzxggyvyObkD9o//Y
	 VdLOEr05o2o3YfeneTIVIrucEBNm7bL4hJmxbjljcYkbvBLRISBIVPw1IXdVk1Qdxa
	 xEfmYiYQCKXUyQmg99rkqzTSSN7NnSh2fvcSNYjg=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/101836] __builtin_object_size(P->M, 1) where M is an
 array and the last member of a struct fails
Date: Fri, 07 Oct 2022 17:44:53 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: enhancement
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: qinzhao at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-101836-4-1spLykWsJZ@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-101836-4@http.gcc.gnu.org/bugzilla/>
References: <bug-101836-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101836

--- Comment #42 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Qing Zhao <qinzhao@gcc.gnu.org>:

https://gcc.gnu.org/g:b9ad850e86b863c24f6f4f5acf08d49944cc7bbe

commit r13-3171-gb9ad850e86b863c24f6f4f5acf08d49944cc7bbe
Author: Qing Zhao <qing.zhao@oracle.com>
Date:   Fri Oct 7 14:59:01 2022 +0000

    Use array_at_struct_end_p in __builtin_object_size [PR101836]

    Use array_at_struct_end_p to determine whether the trailing array
    of a structure is flexible array member in __builtin_object_size.

    gcc/ChangeLog:

            PR tree-optimization/101836
            * tree-object-size.cc (addr_object_size): Use array_at_struct_e=
nd_p
            to determine a flexible array member reference.

    gcc/testsuite/ChangeLog:

            PR tree-optimization/101836
            * gcc.dg/pr101836.c: New test.
            * gcc.dg/pr101836_1.c: New test.
            * gcc.dg/pr101836_2.c: New test.
            * gcc.dg/pr101836_3.c: New test.
            * gcc.dg/pr101836_4.c: New test.
            * gcc.dg/pr101836_5.c: New test.
            * gcc.dg/strict-flex-array-2.c: New test.
            * gcc.dg/strict-flex-array-3.c: New test.=