From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24563 invoked by alias); 3 Feb 2015 16:23:13 -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 24485 invoked by uid 48); 3 Feb 2015 16:23:10 -0000 From: "mpolacek at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/64922] runtime error: member call on misaligned address for type 'struct _Rep' Date: Tue, 03 Feb 2015 16:23:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mpolacek at gcc dot gnu.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: 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: 2015-02/txt/msg00229.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64922 --- Comment #2 from Marek Polacek --- Program received signal SIGSEGV, Segmentation fault. 0x00000000004018e7 in __exchange_and_add (__val=-1, __mem=0xfffffffffffffff9) at /home/marek/x/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/include/ext/atomicity.h:49 49 { return __atomic_fetch_add(__mem, __val, __ATOMIC_ACQ_REL); } (gdb) bt #0 0x00000000004018e7 in __exchange_and_add (__val=-1, __mem=0xfffffffffffffff9) at /home/marek/x/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/include/ext/atomicity.h:49 #1 __exchange_and_add_dispatch (__val=-1, __mem=0xfffffffffffffff9) at /home/marek/x/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/include/ext/atomicity.h:82 #2 _M_dispose (__a=..., this=0xffffffffffffffe9) at /home/marek/x/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.h:2639 #3 ~basic_string (this=0x7fffffffde70, __in_chrg=) at /home/marek/x/trunk/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/basic_string.h:2941 #4 File::File (this=0x7fffffffdf10, file_name=...) at x.cc:89 #5 0x0000000000400c49 in main (argc=, argv=0x7fffffffe058) at x.cc:143