From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22659 invoked by alias); 3 Jan 2012 21:49:44 -0000 Received: (qmail 22651 invoked by uid 22791); 3 Jan 2012 21:49:44 -0000 X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,SUBJ_OBFU_PUNCT_MANY X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 03 Jan 2012 21:49:31 +0000 From: "rmansfield at qnx dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/51746] New: Segfault in cselib_preserved_value_p Date: Tue, 03 Jan 2012 21:49:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rmansfield at qnx dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-01/txt/msg00316.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51746 Bug #: 51746 Summary: Segfault in cselib_preserved_value_p Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassigned@gcc.gnu.org ReportedBy: rmansfield@qnx.com CC: aoliva@gcc.gnu.org, jakub@gcc.gnu.org Host: x86_64-linux-gnu Target: arm-unknown-linux-gnueabi Build: x86_64-linux-gnu Created attachment 26234 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26234 preprocessed source Starting with rev182760 the following crash occurs: $ ./xgcc -v Using built-in specs. COLLECT_GCC=./xgcc Target: arm-unknown-linux-gnueabi Configured with: ../configure --target=arm-unknown-linux-gnueabi --prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi --with-sysroot=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi//sys-root --disable-multilib --with-local-prefix=/home/ryan/x-tools/arm-unknown-linux-gnueabi/arm-unknown-linux-gnueabi/sys-root --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-c99 --enable-long-long --enable-target-optspace target_alias=arm-unknown-linux-gnueabi --enable-languages=c++ --disable-shared --disable-libmudflap --disable-libssp Thread model: posix gcc version 4.7.0 20120103 (experimental) [trunk revision 182858] (GCC) ryan@zoidberg:~/gnu/gcc/trunk/arm-eabi/gcc$ ./xgcc -B. -O -g ~/seg.i /home/ryan/seg.i: In function 'init_textlist': /home/ryan/seg.i:12:38: warning: incompatible implicit declaration of built-in function 'strlen' [enabled by default] /home/ryan/seg.i:13:10: warning: assignment makes pointer from integer without a cast [enabled by default] /home/ryan/seg.i:18:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See for instructions. #0 cselib_preserved_value_p (v=0x0) at ../../gcc/cselib.c:674 #1 0x0000000000a7543a in add_stores (loc=, expr=0x7ffff6dfb840, cuip=0x7fffffffbb10) at ../../gcc/var-tracking.c:5522 #2 0x0000000000a73277 in add_with_sets (insn=0x7ffff6dfc510, sets=, n_sets=) at ../../gcc/var-tracking.c:6049 #3 0x00000000005ddc00 in cselib_record_sets (insn=0x7ffff6dfc510) at ../../gcc/cselib.c:2476 #4 0x00000000005de850 in cselib_process_insn (insn=0x7ffff6dfc510) at ../../gcc/cselib.c:2568 #5 0x0000000000a79ca2 in vt_initialize () at ../../gcc/var-tracking.c:9398 #6 0x0000000000a82537 in variable_tracking_main_1 () at ../../gcc/var-tracking.c:9575 #7 variable_tracking_main () at ../../gcc/var-tracking.c:9627