From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25408 invoked by alias); 6 Feb 2012 19:48:46 -0000 Received: (qmail 25399 invoked by uid 22791); 6 Feb 2012 19:48:46 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,SUBJ_OBFU_PUNCT_FEW,SUBJ_OBFU_PUNCT_MANY,TW_CF 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; Mon, 06 Feb 2012 19:48:33 +0000 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/52139] New: ICE: in remove_insn, at emit-rtl.c:3960 with -O -fPIC -fno-tree-dominator-opts -fno-tree-fre --param case-values-threshold=1 Date: Mon, 06 Feb 2012 19:48:00 -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: zsojka at seznam dot cz 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: 2012-02/txt/msg00630.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52139 Bug #: 52139 Summary: ICE: in remove_insn, at emit-rtl.c:3960 with -O -fPIC -fno-tree-dominator-opts -fno-tree-fre --param case-values-threshold=1 Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned@gcc.gnu.org ReportedBy: zsojka@seznam.cz Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 26587 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26587 reduced testcase Compiler output: $ gcc -O -fPIC -fno-tree-dominator-opts -fno-tree-fre --param case-values-threshold=1 testcase.c testcase.c: In function 'foo': testcase.c:17:1: internal compiler error: in remove_insn, at emit-rtl.c:3960 Please submit a full bug report, with preprocessed source if appropriate. See for instructions. (gdb) bt #0 fancy_abort (file=0x1264468 "/mnt/svn/gcc-trunk/gcc/emit-rtl.c", line=3960, function=0x1265661 "remove_insn") at /mnt/svn/gcc-trunk/gcc/diagnostic.c:898 #1 0x000000000073f55c in remove_insn (insn=0x7ffff5bc6580) at /mnt/svn/gcc-trunk/gcc/emit-rtl.c:3960 #2 0x000000000069c541 in delete_insn (insn=0x7ffff5bc6580) at /mnt/svn/gcc-trunk/gcc/cfgrtl.c:145 #3 0x000000000069fb8a in cfg_layout_merge_blocks (a=0x7ffff5ba5410, b=0x7ffff5ba5340) at /mnt/svn/gcc-trunk/gcc/cfgrtl.c:2896 #4 0x000000000068c5f6 in merge_blocks (a=0x7ffff5ba5410, b=0x7ffff5ba5340) at /mnt/svn/gcc-trunk/gcc/cfghooks.c:683 #5 0x00000000010810b7 in try_optimize_cfg (mode=) at /mnt/svn/gcc-trunk/gcc/cfgcleanup.c:2696 #6 cleanup_cfg (mode=) at /mnt/svn/gcc-trunk/gcc/cfgcleanup.c:2940 #7 0x00000000010d6cc6 in rest_of_handle_cse () at /mnt/svn/gcc-trunk/gcc/cse.c:7327 #8 rest_of_handle_cse () at /mnt/svn/gcc-trunk/gcc/cse.c:7310 #9 0x00000000008fbba5 in execute_one_pass (pass=0x17ced80) at /mnt/svn/gcc-trunk/gcc/passes.c:2081 #10 0x00000000008fbf65 in execute_pass_list (pass=0x17ced80) at /mnt/svn/gcc-trunk/gcc/passes.c:2136 #11 0x00000000008fbf77 in execute_pass_list (pass=0x17c9f40) at /mnt/svn/gcc-trunk/gcc/passes.c:2137 #12 0x0000000000a5e24e in tree_rest_of_compilation (fndecl=0x7ffff5ba6e00) at /mnt/svn/gcc-trunk/gcc/tree-optimize.c:422 #13 0x00000000006affca in cgraph_expand_function (node=0x7ffff5a976c0) at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1829 #14 0x00000000006b1ebc in cgraph_expand_all_functions () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1896 #15 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:2210 #16 0x00000000006b250a in cgraph_finalize_compilation_unit () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1338 #17 0x000000000058ec70 in c_write_global_declarations () at /mnt/svn/gcc-trunk/gcc/c-decl.c:10030 #18 0x00000000009f0a2c in compile_file () at /mnt/svn/gcc-trunk/gcc/toplev.c:573 #19 do_compile () at /mnt/svn/gcc-trunk/gcc/toplev.c:1938 #20 toplev_main (argc=18, argv=0x7fffffffd7f8) at /mnt/svn/gcc-trunk/gcc/toplev.c:2014 #21 0x00007ffff61cc09d in __libc_start_main () from /lib64/libc.so.6 #22 0x0000000000572371 in _start () Tested revisions: r183913 - crash