From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 58859 invoked by alias); 26 Mar 2015 19:16:26 -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 58805 invoked by uid 48); 26 Mar 2015 19:16:23 -0000 From: "howarth at bromo dot med.uc.edu" To: gcc-bugs@gcc.gnu.org Subject: [Bug pch/61250] Random pch failures on x86_64-apple-darwin1(3|4). Date: Thu, 26 Mar 2015 19:27:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: pch X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: howarth at bromo dot med.uc.edu X-Bugzilla-Status: NEW 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: Message-ID: In-Reply-To: References: 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: 2015-03/txt/msg03031.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61250 --- Comment #12 from howarth at bromo dot med.uc.edu --- To clarify, I am able to debug the core file by executing... make -k -j8 check RUNTESTFLAGS="pch.exp=pch.C --target_board=unix'{-dH}'" until I see... FAIL: g++.dg/pch/pch.C -O2 -I. -Dwith_PCH (internal compiler error) FAIL: g++.dg/pch/pch.C -O2 -I. -Dwith_PCH (test for excess errors) FAIL: g++.dg/pch/pch.C -O2 assembly comparison at which time I find the expected core file added to /cores for use with... gdb /sw/src/fink.build/gcc5-5.0.0-1/darwin_objdir/gcc/cc1plus /cores/core.4746 which uniformly shows... #0 0x00007fff96238286 in __pthread_kill () #1 0x00007fff9488042f in pthread_kill () #2 0x00007fff8e9c1b53 in abort () #3 0x0000000100f31530 in linemap_lookup (set=0x1017590f0, line=523) at ../../gcc-5-20150325/libcpp/line-map.c:763