From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28541 invoked by alias); 21 Jan 2015 16:52:04 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 27477 invoked by uid 48); 21 Jan 2015 16:51:46 -0000 From: "schwab@linux-m68k.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/64714] New: [5.0 regression] __builtin_object_size (..., 1) fails to locate subobject Date: Wed, 21 Jan 2015 16:52:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: schwab@linux-m68k.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg02228.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64714 Bug ID: 64714 Summary: [5.0 regression] __builtin_object_size (..., 1) fails to locate subobject Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: schwab@linux-m68k.org Created attachment 34520 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34520&action=edit Testcase >>From the glibc testsuite. $ gcc-4.9 -O2 fortify.i && ./a.out && echo $? *** buffer overflow detected ***: ./a.out terminated [...] $ gcc-5 -O2 fortify.i && ./a.out && echo $? 0