From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13750 invoked by alias); 28 Jan 2011 09:26:25 -0000 Received: (qmail 13734 invoked by uid 22791); 28 Jan 2011 09:26:23 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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; Fri, 28 Jan 2011 09:26:19 +0000 From: "ramana at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/47508] New: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c 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: ramana 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-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 Date: Fri, 28 Jan 2011 09:44:00 -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 X-SW-Source: 2011-01/txt/msg03079.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47508 Summary: [4.6 Regression] -fcompare-debug failure with -ftracer for pr42918.c Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: debug AssignedTo: unassigned@gcc.gnu.org ReportedBy: ramana@gcc.gnu.org Target: arm-eabi Since last night I'm seeing this failure with -ftracer and -fcompare-debug on arm-eabi /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/2011-01-26/build-a9softfpneon/gcc2/gcc/xgcc -B/arm/scratch/pdtltest/work/sandboxes/fsf/trunk/2011-01-26/build-a9softfpneon/gcc2/gcc/ /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c -O2 -fcompare-debug -ftracer -DSTACK_SIZE=16384 -S -o pr42918.s (timeout = 800) xgcc: error: /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c: -fcompare-debug failure compiler exited with status 1 output is: xgcc: error: /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/source/gcc-fsf/gcc/testsuite/gcc.dg/pr42918.c: -fcompare-debug failure The difference in the .gkd files is : -> 5) -> 5) (note# 0 0 ("lab") NOTE_INSN_DELETED_LABEL 3) < (code_label 1 0 0 1 "" [1 uses]) (code_label 1 0 0 1 "" [1 uses]) (note# 0 0 [bb 4] NOTE_INSN_BASIC_BLOCK) (note# 0 0 [bb 4] NOTE_INSN_BASIC_BLOCK) (insn# 0 0 (use (reg/i:SI 0 r0)) /arm/scratch/pdtltest/work/s (insn# 0 0 (use (reg/i:SI 0 r0)) /arm/scratch/pdtltest/work/s (nil)) (nil)) (note# 0 0 NOTE_INSN_EPILOGUE_BEG) (note# 0 0 NOTE_INSN_EPILOGUE_BEG) (jump_insn:TI# 0 0 (unspec_volatile [ (jump_insn:TI# 0 0 (unspec_volatile [ (return) (return) ] 1) /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/s ] 1) /arm/scratch/pdtltest/work/sandboxes/fsf/trunk/s (nil)) (nil)) (barrier 0 0 0) (barrier 0 0 0) (code_label 5 0 0 5 "" [2 uses]) (code_label 5 0 0 5 "" [2 uses]) (note# 0 0 [bb 5] NOTE_INSN_BASIC_BLOCK) (note# 0 0 [bb 5] NOTE_INSN_BASIC_BLOCK) > (note# 0 0 ("lab") NOTE_INSN_DELETED_LABEL 3)