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* [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const)
@ 2020-10-19 10:12 asolokha at gmx dot com
2020-10-19 12:06 ` [Bug analyzer/97489] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: asolokha at gmx dot com @ 2020-10-19 10:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
Bug ID: 97489
Summary: [11 Regression] ICE: Segmentation fault (in
ana::supergraph::get_node_for_function_entry(function*
) const)
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
g++-11.0.0-alpha20201018 snapshot (g:1e70b1a358b6ce3b894f284d88fbb90518d45cc0)
ICEs when compiling the following testcase, extracted from
test/CodeGenCXX/pr34163.cpp from the clang 10.0.1 test suite, w/ -fanalyzer:
struct X {
virtual ~X() {}
virtual void key_function();
};
void X::key_function() {}
% g++-11.0.0 -fanalyzer -c dkuvlwww.cpp
during IPA pass: analyzer
dkuvlwww.cpp:6:25: internal compiler error: Segmentation fault
6 | void X::key_function() {}
| ^
0x1020adf crash_signal
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/toplev.c:330
0x13aeb92 ana::supergraph::get_node_for_function_entry(function*) const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/supergraph.h:96
0x13aeb92 ana::function_point::from_function_entry(ana::supergraph const&,
function*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/program-point.cc:215
0x139f36f ana::program_point::from_function_entry(ana::supergraph const&,
function*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/program-point.h:253
0x139f36f ana::exploded_graph::add_function_entry(function*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:1949
0x139fa07 ana::exploded_graph::on_escaped_function(tree_node*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:3985
0x139fa7b add_any_callbacks
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:2290
0x12ff60a walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/tree.c:12001
0x12ff9f1 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/tree.c:12078
0x139f8fa ana::exploded_graph::build_initial_worklist()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:2330
0x13a37e0 ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:4576
0x13a463c ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/engine.cc:4650
0x1397628 execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201018/work/gcc-11-20201018/gcc/analyzer/analyzer-pass.cc:84
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const)
2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
@ 2020-10-19 12:06 ` rguenth at gcc dot gnu.org
2020-10-19 12:15 ` [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3 marxin at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-10-19 12:06 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P4
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3
2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
2020-10-19 12:06 ` [Bug analyzer/97489] " rguenth at gcc dot gnu.org
@ 2020-10-19 12:15 ` marxin at gcc dot gnu.org
2020-10-19 14:12 ` dmalcolm at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-10-19 12:15 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2020-10-19
Known to work| |10.2.0
Summary|[11 Regression] ICE: |[11 Regression] ICE:
|Segmentation fault (in |Segmentation fault (in
|ana::supergraph::get_node_f |ana::supergraph::get_node_f
|or_function_entry(function* |or_function_entry(function*
|) const) |) const) since
| |r10-5950-g757bf1dff5e8cee3
Status|UNCONFIRMED |NEW
CC| |marxin at gcc dot gnu.org
Known to fail| |11.0
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, started with r10-5950-g757bf1dff5e8cee3.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3
2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
2020-10-19 12:06 ` [Bug analyzer/97489] " rguenth at gcc dot gnu.org
2020-10-19 12:15 ` [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3 marxin at gcc dot gnu.org
@ 2020-10-19 14:12 ` dmalcolm at gcc dot gnu.org
2020-10-22 10:13 ` cvs-commit at gcc dot gnu.org
2020-10-22 10:32 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2020-10-19 14:12 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks; confirmed, though for me I see the ICE with
g:af66094d037793773eb8a49597866457f2f6a104, and do not see the ICE with its
predecessor; in particular the backtrace shows add_any_callbacks which I added
in that commit.
It's crashing on "__dt_comp ", finding the dtor in the vtable when building the
initial worklist, here:
96 return get_node_for_block (ENTRY_BLOCK_PTR_FOR_FN (fun));
where fun->cfg is NULL. Working on a fix.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3
2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
` (2 preceding siblings ...)
2020-10-19 14:12 ` dmalcolm at gcc dot gnu.org
@ 2020-10-22 10:13 ` cvs-commit at gcc dot gnu.org
2020-10-22 10:32 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-10-22 10:13 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by David Malcolm <dmalcolm@gcc.gnu.org>:
https://gcc.gnu.org/g:b7f2cfbf0fc7bcd5c1e60fca354de8bf60f9acfa
commit r11-4220-gb7f2cfbf0fc7bcd5c1e60fca354de8bf60f9acfa
Author: David Malcolm <dmalcolm@redhat.com>
Date: Thu Oct 22 06:12:31 2020 -0400
analyzer: fix ICE on dtor [PR97489]
gcc/analyzer/ChangeLog:
PR analyzer/97489
* engine.cc (exploded_graph::add_function_entry): Assert that we
have a function body.
(exploded_graph::on_escaped_function): Reject fndecls that don't
have a function body.
gcc/testsuite/ChangeLog:
PR analyzer/97489
* g++.dg/analyzer/pr97489.C: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3
2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
` (3 preceding siblings ...)
2020-10-22 10:13 ` cvs-commit at gcc dot gnu.org
@ 2020-10-22 10:32 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2020-10-22 10:32 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97489
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Should be fixed by the above commit.
^ permalink raw reply [flat|nested] 6+ messages in thread
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2020-10-19 10:12 [Bug analyzer/97489] New: [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) asolokha at gmx dot com
2020-10-19 12:06 ` [Bug analyzer/97489] " rguenth at gcc dot gnu.org
2020-10-19 12:15 ` [Bug analyzer/97489] [11 Regression] ICE: Segmentation fault (in ana::supergraph::get_node_for_function_entry(function*) const) since r10-5950-g757bf1dff5e8cee3 marxin at gcc dot gnu.org
2020-10-19 14:12 ` dmalcolm at gcc dot gnu.org
2020-10-22 10:13 ` cvs-commit at gcc dot gnu.org
2020-10-22 10:32 ` dmalcolm at gcc dot gnu.org
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