From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22969 invoked by alias); 5 Apr 2013 09:50:35 -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 22937 invoked by uid 48); 5 Apr 2013 09:50:30 -0000 From: "doko at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/56848] New: [4.7 Regression] ICE (segfault) with the 4.7.3 release candidate Date: Fri, 05 Apr 2013 09:50:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: doko 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 X-SW-Source: 2013-04/txt/msg00473.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56848 Bug #: 56848 Summary: [4.7 Regression] ICE (segfault) with the 4.7.3 release candidate Classification: Unclassified Product: gcc Version: 4.7.3 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned@gcc.gnu.org ReportedBy: doko@gcc.gnu.org Created attachment 29808 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29808 preprocessed source lowering to -O1 works around it. r197184 does work, r197476 not. $ gcc -c -g -O2 perf_event.i arch/x86/kernel/cpu/perf_event.c: In function 'get_segment_base': arch/x86/kernel/cpu/perf_event.c:1887:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. (gdb) bt #0 0x0000000000bd312d in ?? () #1 0x0000000000bd305e in ?? () #2 0x0000000000bd2c6b in ?? () #3 0x0000000000bd357d in ?? () #4 0x0000000000bd51b0 in deps_analyze_insn(deps_desc*, rtx_def*) () #5 0x0000000000bd5603 in sched_analyze(deps_desc*, rtx_def*, rtx_def*) () #6 0x0000000000760d12 in sched_rgn_compute_dependencies(int) () #7 0x00000000007635f2 in schedule_insns() () #8 0x0000000000763a41 in ?? () #9 0x000000000070b778 in execute_one_pass(opt_pass*) () #10 0x000000000070bad5 in execute_pass_list(opt_pass*) () #11 0x000000000070bae7 in execute_pass_list(opt_pass*) () #12 0x000000000070bae7 in execute_pass_list(opt_pass*) () #13 0x00000000007e5439 in tree_rest_of_compilation(tree_node*) () #14 0x0000000000592afa in ?? () #15 0x000000000059434c in cgraph_optimize() () #16 0x00000000005947fa in cgraph_finalize_compilation_unit() () #17 0x00000000004d44e8 in c_write_global_declarations() () #18 0x000000000079edce in toplev_main(int, char**) () #19 0x00007ffff670dea5 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #20 0x00000000004c3351 in _start ()