From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25313 invoked by alias); 9 Nov 2011 20:17:36 -0000 Received: (qmail 25303 invoked by uid 22791); 9 Nov 2011 20:17:34 -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; Wed, 09 Nov 2011 20:17:20 +0000 From: "michael.hope at linaro dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug bootstrap/51068] New: 4.7 Regression] ARM bootstrap failure due to ICE in rtl_verify_flow_info_1 at cfgrtl.c:2001 Date: Wed, 09 Nov 2011 20:23:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: bootstrap X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: michael.hope at linaro dot 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 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: 2011-11/txt/msg01014.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51068 Bug #: 51068 Summary: 4.7 Regression] ARM bootstrap failure due to ICE in rtl_verify_flow_info_1 at cfgrtl.c:2001 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap AssignedTo: unassigned@gcc.gnu.org ReportedBy: michael.hope@linaro.org trunk r181189 fails during stage1-target-libstdc++-v3 with the following error: libtool: compile: "/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/./gcc/xgcc" -shared-libgcc "-B/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/./gcc" -nostdinc++ "-L/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/armv7l-unknown-linux-gnueabi/libstdc++-v3/src" "-L/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/armv7l-unknown-linux-gnueabi/libstdc++-v3/src/.libs" "-B/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/install/armv7l-unknown-linux-gnueabi/bin/" "-B/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/install/armv7l-unknown-linux-gnueabi/lib/" -isystem "/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/install/armv7l-unknown-linux-gnueabi/include" -isystem "/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/install/armv7l-unknown-linux-gnueabi/sys-include" "-I/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/gcc-4.7~/libstdc++-v3/../libgcc" "-I/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/armv7l-unknown-linux-gnueabi/libstdc++-v3/include/armv7l-unknown-linux-gnueabi" "-I/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/default/build/armv7l-unknown-linux-gnueabi/libstdc++-v3/include" "-I/scratch/cbuild/slave/slaves/tcpanda01/gcc-4.7~svn181189/gcc/gcc-4.7~/libstdc++-v3/libsupc++" -fno-implicit-templates -Wall -Wextra -Wwrite-strings -Wcast-qual -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -frandom-seed=new_opvnt.lo -g -O2 -D_GNU_SOURCE -c "../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opvnt.cc" -fPIC -DPIC -o new_opvnt.o ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc: In function 'void* operator new [](std::size_t)': ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:34:1: error: missing REG_EH_REGION note in the end of bb 2 ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:34:1: error: call edges for non-call insn in bb 2 ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:34:1: error: in basic block 2: ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:34:1: error: flow control insn inside a basic block (call_insn 7 3 63 2 (parallel [ (set (reg:SI 0 r0) (call (mem:SI (symbol_ref:SI ("_Znwj") [flags 0x41] ) [0 operator new S4 A32]) (const_int 0 [0]))) (use (const_int 0 [0])) (clobber (reg:SI 14 lr)) ]) ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:33 248 {*call_value_symbol} (expr_list:REG_EH_REGION (const_int 1 [0x1]) (nil)) (expr_list:REG_CFA_WINDOW_SAVE (use (reg:SI 0 r0)) (nil))) ../../../../../gcc-4.7~/libstdc++-v3/libsupc++/new_opv.cc:34:1: internal compiler error: in rtl_verify_flow_info_1, at cfgrtl.c:2001 This happens on ARM in an ARMv5 configuration and Cortex-A9 configuration. The full build log is here: http://builds.linaro.org/toolchain/gcc-4.7~svn181189/logs/armv7l-natty-cbuild205-tcpanda01-cortexa9r1/gcc-build.txt The Cortex-A9 configure flags are: --prefix=/scratch/cbuild/slave/slaves/tcpanda04/gcc-4.7~svn180460/gcc/default/install --enable-languages=c,c++,objc,obj-c++,fortran,lto --with-mode=thumb --with-arch=armv7-a --with-tune=cortex-a9 --with-float=softfp --with-fpu=neon More information about the host is here: http://builds.linaro.org/toolchain/gcc-4.7~svn181189/logs/armv7l-natty-cbuild205-tcpanda01-cortexa9r1/host.txt r181070 was OK so the problem has occurred since then.