From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21413 invoked by alias); 6 Oct 2005 09:12:27 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 21393 invoked by uid 48); 6 Oct 2005 09:12:22 -0000 Date: Thu, 06 Oct 2005 09:12:00 -0000 Subject: [Bug c++/24228] New: Segfault in chrec_contains_undetermined () at tree-chrec.c:871 X-Bugzilla-Reason: CC Message-ID: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "uros at kss-loka dot si" X-SW-Source: 2005-10/txt/msg00575.txt.bz2 List-Id: Attached testcase segfaults when compiled with gcc version 4.1.0 20051006: ~/gcc-build/gcc/cc1plus -O3 -ftree-vectorize -fdump-tree-vect-all -quiet -march=pentium4 express.ii express.cpp: In function âvoid pov::Parse_Num_Factor(double*, int*)â: express.cpp:1040: warning: converting to âintâ from âdoubleâ express.cpp: In function âvoid pov::Parse_Num_Term(double*, int*)â: express.cpp:1520: internal compiler error: Segmentation fault Backtrace: #4 0x0826c4fa in tree_complete_unroll () at tree-ssa-loop.c:376 #3 0x0828f1a7 in tree_unroll_loops_completely () at tree-ssa-loop-ivcanon.c:381 #2 0x0828efb1 in canonicalize_loop_induction_variables () at tree-ssa-loop-ivcanon.c:309 #1 0x0860faf7 in chrec_contains_undetermined () at tree-chrec.c:878 #0 0x0860f926 in chrec_contains_undetermined () at tree-chrec.c:871 This is the exact place of the segfault: 871 switch (TREE_CODE_LENGTH (TREE_CODE (chrec))) 872 { 873 case 3: chrec value is 0xa5a5a5a5, which is rather suspicious. -- Summary: Segfault in chrec_contains_undetermined () at tree- chrec.c:871 Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c++ AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: uros at kss-loka dot si GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24228