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From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/47002] New: segmentation fault in find_uses_to_rename_use Date: Sat, 18 Dec 2010 12:45:00 -0000 [thread overview] Message-ID: <bug-47002-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47002 Summary: segmentation fault in find_uses_to_rename_use Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: dcb314@hotmail.com Created attachment 22809 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22809 C source code I just tried to compile package covered-0.7.7 with the latest 4.6 snapshot 20101211 on a Fedora Linux box. The compiler said ../src/vector.c: In function 'vector_set_value_ulong': ../src/vector.c:1857:6: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. valgrind says ==11010== Invalid read of size 8 ==11010== at 0x8B1809: find_uses_to_rename_use (tree-ssa-loop-manip.c:1246) ==11010== by 0x8B1A27: find_uses_to_rename_bb (tree-ssa-loop-manip.c:301) ==11010== by 0x8B216D: rewrite_into_loop_closed_ssa (tree-ssa-loop-manip.c:331) ==11010== by 0x82A239: distribute_loop (tree-loop-distribution.c:1020) ==11010== by 0x82B15C: tree_loop_distribution (tree-loop-distribution.c:1146) ==11010== by 0x74510E: execute_one_pass (passes.c:1553) ==11010== by 0x7453B4: execute_pass_list (passes.c:1608) ==11010== by 0x7453C6: execute_pass_list (passes.c:1609) ==11010== by 0x7453C6: execute_pass_list (passes.c:1609) ==11010== by 0x838CD5: tree_rest_of_compilation (tree-optimize.c:422) ==11010== by 0x9D6540: cgraph_expand_function (cgraphunit.c:1508) ==11010== by 0x9D8AA9: cgraph_optimize (cgraphunit.c:1567) ==11010== Address 0x10 is not stack'd, malloc'd or (recently) free'd ==11010== Source code attached. Flag -O3 required.
next reply other threads:[~2010-12-18 12:45 UTC|newest] Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-12-18 12:45 dcb314 at hotmail dot com [this message] 2010-12-18 14:26 ` [Bug c/47002] [4.6 Regression] " hjl.tools at gmail dot com 2010-12-20 5:23 ` [Bug tree-optimization/47002] " spop at gcc dot gnu.org 2010-12-20 5:25 ` spop at gcc dot gnu.org 2010-12-22 6:24 ` spop at gcc dot gnu.org 2010-12-23 16:26 ` spop at gcc dot gnu.org 2010-12-31 11:19 ` jakub at gcc dot gnu.org 2010-12-31 12:43 ` dcb314 at hotmail dot com 2010-12-31 14:13 ` jakub at gcc dot gnu.org
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