From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23991 invoked by alias); 17 Jan 2008 10:09:52 -0000 Received: (qmail 23039 invoked by uid 48); 17 Jan 2008 10:09:08 -0000 Date: Thu, 17 Jan 2008 10:45:00 -0000 Message-ID: <20080117100908.23038.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/34825] [4.2/4.3 regression] ICE with -funsafe-math-optimizations In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ubizjak at gmail dot com" 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: 2008-01/txt/msg01755.txt.bz2 ------- Comment #2 from ubizjak at gmail dot com 2008-01-17 10:09 ------- (gdb) set args -O -funsafe-math-optimizations pr34825.c (gdb) break fancy_abort Breakpoint 1 at 0x81697e0: file ../../gcc-svn/trunk/gcc/diagnostic.c, line 659. (gdb) run Starting program: /home/uros/gcc-build/gcc/cc1 -O -funsafe-math-optimizations pr34825.c foo Analyzing compilation unit Performing interprocedural optimizations Assembling functions: foo Program received signal SIGSEGV, Segmentation fault. execute_cse_reciprocals_1 (def_bsi=0x0, def=0xb7cf4ed4) at ../../gcc-svn/trunk/gcc/tree-flow-inline.h:1534 1534 imm->next_imm_name = imm->imm_use->next; (gdb) bt #0 execute_cse_reciprocals_1 (def_bsi=0x0, def=0xb7cf4ed4) at ../../gcc-svn/trunk/gcc/tree-flow-inline.h:1534 #1 0x0845bf0a in execute_cse_reciprocals () at ../../gcc-svn/trunk/gcc/tree-ssa-math-opts.c:473 #2 0x082c50aa in execute_one_pass (pass=0x8903440) at ../../gcc-svn/trunk/gcc/passes.c:1118 #3 0x082c529f in execute_pass_list (pass=0x8903440) at ../../gcc-svn/trunk/gcc/passes.c:1171 #4 0x082c52b2 in execute_pass_list (pass=0x8902840) at ../../gcc-svn/trunk/gcc/passes.c:1172 #5 0x083b173b in tree_rest_of_compilation (fndecl=0xb7cef9a0) at ../../gcc-svn/trunk/gcc/tree-optimize.c:404 #6 0x085790a5 in cgraph_expand_function (node=0xb7c8c280) at ../../gcc-svn/trunk/gcc/cgraphunit.c:1152 #7 0x0857bda7 in cgraph_optimize () at ../../gcc-svn/trunk/gcc/cgraphunit.c:1215 #8 0x0805ecd6 in c_write_global_declarations () at ../../gcc-svn/trunk/gcc/c-decl.c:8077 #9 0x0834ba83 in toplev_main (argc=4, argv=0xbfb9b594) at ../../gcc-svn/trunk/gcc/toplev.c:1055 #10 0x080e1aef in main (argc=0, argv=0x19) at ../../gcc-svn/trunk/gcc/main.c:35 -- ubizjak at gmail dot com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bonzini at gnu dot org GCC build triplet|x86_64-linux-gnu |x86-linux-gnu GCC host triplet|x86_64-linux-gnu |x86-linux-gnu GCC target triplet|x86_64-linux-gnu |x86-linux-gnu Last reconfirmed|2008-01-17 09:32:48 |2008-01-17 10:09:08 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34825