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* [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate @ 2010-08-06 22:59 zsojka at seznam dot cz 2010-08-06 23:00 ` [Bug tree-optimization/45219] " zsojka at seznam dot cz ` (4 more replies) 0 siblings, 5 replies; 10+ messages in thread From: zsojka at seznam dot cz @ 2010-08-06 22:59 UTC (permalink / raw) To: gcc-bugs Command line: $ gcc -O2 -fprofile-generate testcase.c Valgrind output: ==8227== Invalid read of size 8 ==8227== at 0x60BB4B: dominated_by_p (dominance.c:973) ==8227== by 0x950317: dse_enter_block (tree-ssa-dse.c:198) ==8227== by 0xF18CC6: walk_dominator_tree (domwalk.c:188) ==8227== by 0x94F9F2: tree_ssa_dse (tree-ssa-dse.c:429) ==8227== by 0x7BD50B: execute_one_pass (passes.c:1564) ==8227== by 0x7BD7A4: execute_pass_list (passes.c:1619) ==8227== by 0x7BD7B6: execute_pass_list (passes.c:1620) ==8227== by 0x8FF355: tree_rest_of_compilation (tree-optimize.c:452) ==8227== by 0xAB6505: cgraph_expand_function (cgraphunit.c:1643) ==8227== by 0xAB9389: cgraph_optimize (cgraphunit.c:1722) ==8227== by 0xAB997A: cgraph_finalize_compilation_unit (cgraphunit.c:1185) ==8227== by 0x4DF88E: c_write_global_declarations (c-decl.c:9698) ==8227== Address 0x20 is not stack'd, malloc'd or (recently) free'd ==8227== testcase.c: In function 'foo': testcase.c:12:5: 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. Tested revisions: r162940 - crash r162456 - OK -- Summary: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: zsojka at seznam dot cz GCC host triplet: x86_64-pc-linux-gnu GCC target triplet: x86_64-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz @ 2010-08-06 23:00 ` zsojka at seznam dot cz 2010-08-07 10:38 ` rguenth at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 10+ messages in thread From: zsojka at seznam dot cz @ 2010-08-06 23:00 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from zsojka at seznam dot cz 2010-08-06 23:00 ------- Created an attachment (id=21429) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=21429&action=view) reduced testcase (from gcc.dg/tree-ssa/20041008-1.c) -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz 2010-08-06 23:00 ` [Bug tree-optimization/45219] " zsojka at seznam dot cz @ 2010-08-07 10:38 ` rguenth at gcc dot gnu dot org 2010-08-07 10:44 ` rguenth at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 10+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-08-07 10:38 UTC (permalink / raw) To: gcc-bugs -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.6.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz 2010-08-06 23:00 ` [Bug tree-optimization/45219] " zsojka at seznam dot cz 2010-08-07 10:38 ` rguenth at gcc dot gnu dot org @ 2010-08-07 10:44 ` rguenth at gcc dot gnu dot org 2010-08-07 18:46 ` hjl dot tools at gmail dot com 2010-09-02 11:16 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 10+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-08-07 10:44 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from rguenth at gcc dot gnu dot org 2010-08-07 10:44 ------- Confirmed. (gdb) call debug_gimple_stmt ($1) .MEM_15 = PHI <.MEM_19 Program received signal SIGSEGV, Segmentation fault. 0x08384621 in gimple_phi_arg_edge (gs=0xb77611b0, i=0) at /home/richard/src/trunk/gcc/tree-flow-inline.h:479 479 return EDGE_PRED (gimple_bb (gs), i); Immediate uses are hosed before DSE. And partial inlining is the cause. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2010-08-07 10:44:03 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz ` (2 preceding siblings ...) 2010-08-07 10:44 ` rguenth at gcc dot gnu dot org @ 2010-08-07 18:46 ` hjl dot tools at gmail dot com 2010-09-02 11:16 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 10+ messages in thread From: hjl dot tools at gmail dot com @ 2010-08-07 18:46 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from hjl dot tools at gmail dot com 2010-08-07 18:46 ------- It is caused by revision 162842: http://gcc.gnu.org/ml/gcc-cvs/2010-08/msg00053.html -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz ` (3 preceding siblings ...) 2010-08-07 18:46 ` hjl dot tools at gmail dot com @ 2010-09-02 11:16 ` rguenth at gcc dot gnu dot org 4 siblings, 0 replies; 10+ messages in thread From: rguenth at gcc dot gnu dot org @ 2010-09-02 11:16 UTC (permalink / raw) To: gcc-bugs -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 ^ permalink raw reply [flat|nested] 10+ messages in thread
[parent not found: <bug-45219-4@http.gcc.gnu.org/bugzilla/>]
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate [not found] <bug-45219-4@http.gcc.gnu.org/bugzilla/> @ 2010-10-28 20:26 ` pinskia at gcc dot gnu.org 2010-10-28 20:36 ` zsojka at seznam dot cz ` (2 subsequent siblings) 3 siblings, 0 replies; 10+ messages in thread From: pinskia at gcc dot gnu.org @ 2010-10-28 20:26 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2010-10-28 20:26:24 UTC --- This works with GNU C (GCC) version 4.6.0 20101026 (experimental) [trunk revision 165988] (x86_64-unknown-linux-gnu) ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate [not found] <bug-45219-4@http.gcc.gnu.org/bugzilla/> 2010-10-28 20:26 ` pinskia at gcc dot gnu.org @ 2010-10-28 20:36 ` zsojka at seznam dot cz 2010-10-28 22:40 ` hjl.tools at gmail dot com 2010-11-03 16:10 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 10+ messages in thread From: zsojka at seznam dot cz @ 2010-10-28 20:36 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 --- Comment #5 from Zdenek Sojka <zsojka at seznam dot cz> 2010-10-28 20:36:20 UTC --- It seems to have disappeared between r163636 and r165699. Both original and reduced testcase stopped crashing between those revisions. 4.5 r165781 doesn't crash as well. ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate [not found] <bug-45219-4@http.gcc.gnu.org/bugzilla/> 2010-10-28 20:26 ` pinskia at gcc dot gnu.org 2010-10-28 20:36 ` zsojka at seznam dot cz @ 2010-10-28 22:40 ` hjl.tools at gmail dot com 2010-11-03 16:10 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 10+ messages in thread From: hjl.tools at gmail dot com @ 2010-10-28 22:40 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 --- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2010-10-28 22:39:39 UTC --- It was fixed by revision 163775: http://gcc.gnu.org/ml/gcc-cvs/2010-09/msg00066.html ^ permalink raw reply [flat|nested] 10+ messages in thread
* [Bug tree-optimization/45219] [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate [not found] <bug-45219-4@http.gcc.gnu.org/bugzilla/> ` (2 preceding siblings ...) 2010-10-28 22:40 ` hjl.tools at gmail dot com @ 2010-11-03 16:10 ` rguenth at gcc dot gnu.org 3 siblings, 0 replies; 10+ messages in thread From: rguenth at gcc dot gnu.org @ 2010-11-03 16:10 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45219 --- Comment #8 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-03 16:10:31 UTC --- *** Bug 45220 has been marked as a duplicate of this bug. *** ^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2010-11-03 16:10 UTC | newest] Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2010-08-06 22:59 [Bug tree-optimization/45219] New: [4.6 Regression] ICE: SIGSEGV in dominated_by_p (dominance.c:973) with -O2 -fprofile-generate zsojka at seznam dot cz 2010-08-06 23:00 ` [Bug tree-optimization/45219] " zsojka at seznam dot cz 2010-08-07 10:38 ` rguenth at gcc dot gnu dot org 2010-08-07 10:44 ` rguenth at gcc dot gnu dot org 2010-08-07 18:46 ` hjl dot tools at gmail dot com 2010-09-02 11:16 ` rguenth at gcc dot gnu dot org [not found] <bug-45219-4@http.gcc.gnu.org/bugzilla/> 2010-10-28 20:26 ` pinskia at gcc dot gnu.org 2010-10-28 20:36 ` zsojka at seznam dot cz 2010-10-28 22:40 ` hjl.tools at gmail dot com 2010-11-03 16:10 ` rguenth at gcc dot gnu.org
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