From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24847 invoked by alias); 23 Dec 2010 15:50:05 -0000 Received: (qmail 24818 invoked by uid 22791); 23 Dec 2010 15:50:03 -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; Thu, 23 Dec 2010 15:49:59 +0000 From: "zsojka at seznam dot cz" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/47053] New: [4.5/4.6 Regression] ICE: verify_flow_info failed: BB 2 can not throw but has an EH edge with -O -fnon-call-exceptions 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 Date: Thu, 23 Dec 2010 15:50:00 -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: 2010-12/txt/msg02564.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47053 Summary: [4.5/4.6 Regression] ICE: verify_flow_info failed: BB 2 can not throw but has an EH edge with -O -fnon-call-exceptions Product: gcc Version: 4.6.0 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 22847 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22847 reduced testcase Compiler output: $ gcc -O -fnon-call-exceptions pr47053.C pr47053.C: In function 'void foo()': pr47053.C:17:6: error: BB 2 can not throw but has an EH edge pr47053.C:17:6: internal compiler error: verify_flow_info failed Please submit a full bug report, with preprocessed source if appropriate. See for instructions. (gdb) bt #0 error (gmsgid=0x12db400 "BB %i can not throw but has an EH edge") at /mnt/svn/gcc-trunk/gcc/diagnostic.c:747 #1 0x0000000000a5b65c in verify_eh_edges (stmt=0x7ffff5d71160) at /mnt/svn/gcc-trunk/gcc/tree-eh.c:3997 #2 0x0000000000a2fcbb in gimple_verify_flow_info () at /mnt/svn/gcc-trunk/gcc/tree-cfg.c:4538 #3 0x0000000000733384 in verify_flow_info () at /mnt/svn/gcc-trunk/gcc/cfghooks.c:257 #4 0x0000000000b210f0 in fini_reassoc () at /mnt/svn/gcc-trunk/gcc/tree-ssa-reassoc.c:2247 #5 execute_reassoc () at /mnt/svn/gcc-trunk/gcc/tree-ssa-reassoc.c:2260 #6 0x000000000093a2e6 in execute_one_pass (pass=0x17baee0) at /mnt/svn/gcc-trunk/gcc/passes.c:1553 #7 0x000000000093a5d5 in execute_pass_list (pass=0x17baee0) at /mnt/svn/gcc-trunk/gcc/passes.c:1608 #8 0x000000000093a5e7 in execute_pass_list (pass=0x17b9d40) at /mnt/svn/gcc-trunk/gcc/passes.c:1609 #9 0x0000000000a7a846 in tree_rest_of_compilation (fndecl=0x7ffff5d31b00) at /mnt/svn/gcc-trunk/gcc/tree-optimize.c:422 #10 0x0000000000c3fd72 in cgraph_expand_function (node=0x7ffff5d3bc60) at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1508 #11 0x0000000000c4244a in cgraph_expand_all_functions () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1567 #12 cgraph_optimize () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1827 #13 0x0000000000c429ca in cgraph_finalize_compilation_unit () at /mnt/svn/gcc-trunk/gcc/cgraphunit.c:1031 #14 0x00000000005b786d in cp_write_global_declarations () at /mnt/svn/gcc-trunk/gcc/cp/decl2.c:3974 #15 0x0000000000a240b6 in compile_file (argc=15, argv=0x7fffffffdad8) at /mnt/svn/gcc-trunk/gcc/toplev.c:591 #16 do_compile (argc=15, argv=0x7fffffffdad8) at /mnt/svn/gcc-trunk/gcc/toplev.c:1874 #17 toplev_main (argc=15, argv=0x7fffffffdad8) at /mnt/svn/gcc-trunk/gcc/toplev.c:1937 #18 0x00007ffff6586bbd in __libc_start_main () from /lib/libc.so.6 #19 0x00000000004fe9ed in _start () Tetsted revisions: r168200 - crash 4.5 r168062 - crash 4.4 r168062 - OK