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[Bug tree-optimization/81175] [7/8 Regression] EXC_BAD_ACCESS in ::slpeel_duplicate_current_defs_from_edges(edge, edge, edge, edge) at is-a.h:192
- From: "dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 22 Jun 2017 14:43:55 +0000
- Subject: [Bug tree-optimization/81175] [7/8 Regression] EXC_BAD_ACCESS in ::slpeel_duplicate_current_defs_from_edges(edge, edge, edge, edge) at is-a.h:192
- Auto-submitted: auto-generated
- References: <bug-81175-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81175
Dominique d'Humieres <dominiq at lps dot ens.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-06-22
CC| |rguenth at gcc dot gnu.org
Component|fortran |tree-optimization
Summary|During the compilation of a |[7/8 Regression]
|program gfortran (7.1.0) |EXC_BAD_ACCESS in
|makes "internal compiler |::slpeel_duplicate_current_
|error: Segmentation fault" |defs_from_edges(edge, edge,
| |edge, edge) at is-a.h:192
Ever confirmed|0 |1
Known to fail| |7.1.0, 8.0
--- Comment #1 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Confirmed with the options
-O3 -ffast-math -march=broadwell -fno-strict-overflow
The change occurred between revisions r245767 (2017-02-28, compiles) and
r246069 (2017-03-11, ICE).
Backtrace
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS
(code=1, address=0x0)
* frame #0: 0x0000000100f12bf5
f951`::slpeel_duplicate_current_defs_from_edges(edge, edge, edge, edge) at
is-a.h:192
frame #1: 0x0000000100f12bf5
f951`::slpeel_duplicate_current_defs_from_edges(edge, edge, edge, edge)
frame #2: 0x0000000100f12bf5
f951`::slpeel_duplicate_current_defs_from_edges(edge, edge, edge, edge)
[inlined] gimple_phi_arg_def(index=<unavailable>, gs=<unavailable>)
frame #3: 0x0000000100f12bf5
f951`::slpeel_duplicate_current_defs_from_edges(to=<unavailable>,
to=<unavailable>, from=<unavailable>, from=<unavailable>)
frame #4: 0x0000000100f1433b
f951`slpeel_tree_duplicate_loop_to_edge_cfg(loop=0x0000000143e56318,
scalar_loop=0x0000000145bdd420, e=0x0000000143e55b98) at
tree-vect-loop-manip.c:429
frame #5: 0x0000000100f15f15
f951`vect_do_peeling(loop_vinfo=0x0000000145903e60, niters=0x0000000145b8e4c8,
nitersm1=0x0000000142edd5a0, niters_vector=0x00007fff5fbfedf8, th=12,
check_profitability=<unavailable>, niters_no_overflow=true) at
tree-vect-loop-manip.c:1739
frame #6: 0x0000000100f04e46
f951`vect_transform_loop(loop_vinfo=<unavailable>) at tree-vect-loop.c:6943
frame #7: 0x0000000100f2948c f951`vectorize_loops() at
tree-vectorizer.c:690
frame #8: 0x0000000100b26166 f951`execute_one_pass(pass=0x0000000142b0ff60)
at passes.c:2492
frame #9: 0x0000000100b269d4
f951`::execute_pass_list_1(pass=0x0000000142b0ff60) at passes.c:2581
frame #10: 0x0000000100b269e6
f951`::execute_pass_list_1(pass=0x0000000142b0f8a0) at passes.c:2582
frame #11: 0x0000000100b269e6
f951`::execute_pass_list_1(pass=0x0000000142b0e520) at passes.c:2582
frame #12: 0x0000000100b26a2d f951`execute_pass_list(fn=<unavailable>,
pass=<unavailable>) at passes.c:2592
frame #13: 0x0000000100699d35
f951`cgraph_node::expand(this=0x0000000143e00000) at cgraphunit.c:2050
frame #14: 0x000000010069ba5d f951`symbol_table::compile() at
cgraphunit.c:2186
frame #15: 0x000000010069b954
f951`symbol_table::compile(this=0x0000000142d05100)
frame #16: 0x000000010069ea21
f951`symbol_table::finalize_compilation_unit(this=0x0000000142d05100) at
cgraphunit.c:2636
frame #17: 0x0000000100c2b39a f951`::compile_file() at toplev.c:493
frame #18: 0x000000010110dfa1 f951`toplev::main(this=0x00007fff5fbff24e,
argc=<unavailable>, argv=<unavailable>) at toplev.c:2021
frame #19: 0x000000010110f69e f951`main(argc=7, argv=0x00007fff5fbff280) at
main.c:39