From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 28135 invoked by alias); 29 Jan 2012 08:52:13 -0000 Received: (qmail 28126 invoked by uid 22791); 29 Jan 2012 08:52:12 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,SUBJ_OBFU_PUNCT_FEW,TW_BX,TW_IB 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; Sun, 29 Jan 2012 08:51:53 +0000 From: "markus at trippelsdorf dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/52037] New: [4.7 regression] ICE in update_ssa, at tree-into-ssa.c:3362 while linking LTO libxul Date: Sun, 29 Jan 2012 11:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: markus at trippelsdorf dot de 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" Content-Transfer-Encoding: quoted-printable 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/msg03375.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D52037 Bug #: 52037 Summary: [4.7 regression] ICE in update_ssa, at tree-into-ssa.c:3362 while linking LTO libxul Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: markus@trippelsdorf.de ICE happens during final libxul link in a Firefox LTO build. % g++ @testcase -flto=3D4 -O3 In file included from :2560:0: /var/tmp/mozilla-central/content/base/src/nsAttrValue.cpp: In member functi= on =E2=80=98Equals=E2=80=99: /var/tmp/mozilla-central/content/base/src/nsAttrValue.cpp:689:1: internal compiler error: in update_ssa, at tree-into-ssa.c:3362 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. I managed to reduce it from 2770 input files to 17 (but no further) with de= lta. % cat testcase /var/tmp/mozilla-central/moz-build-dir/toolkit/library/nsUnicharUtils.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../netwerk/dns/ns= IDNService.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../netwerk/stream= conv/converters/nsMultiMixedConv.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/mozSanitizingSerializer.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsAttrValue.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsContentUtils.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsDocument.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsDocumentEncoder.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsDocumentFragment.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsGenConImageContent.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsGenericElement.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsHTMLContentSerializer.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../content/base/s= rc/nsImageLoadingContent.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../xpcom/build/ns= COMPtr.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../xpcom/string/s= rc/nsReadableUtils.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../xpcom/string/s= rc/nsSubstring.o /var/tmp/mozilla-central/moz-build-dir/toolkit/library/../../xpcom/string/s= rc/nsStringComparator.o