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* [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618
@ 2020-08-25 1:50 asolokha at gmx dot com
2020-08-25 11:50 ` [Bug analyzer/96777] " rguenth at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: asolokha at gmx dot com @ 2020-08-25 1:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
Bug ID: 96777
Summary: [11 Regression] ICE in bind_compound_sval, at
analyzer/store.cc:618
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: analyzer
Assignee: dmalcolm at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc-11.0.0-alpha20200823 snapshot (g:87c753ac241f25d222d46ba1ac66ceba89d6a200)
ICEs when compiling the following testcase, reduced from
gcc/testsuite/gcc.c-torture/execute/20010924-1.c, w/ -fanalyzer:
struct ge {
char au;
char pz[];
};
struct ge tr = { 'X', 'X', };
int
main (void)
{
return tr.pz[0] == 'X';
}
% gcc-11.0.0 -fanalyzer -c zlhfknsu.c
during IPA pass: analyzer
zlhfknsu.c: In function 'main':
zlhfknsu.c:11:15: internal compiler error: in bind_compound_sval, at
analyzer/store.cc:618
11 | return tr.pz[0] == 'X';
| ~~~~~^~~
0x72405f ana::binding_cluster::bind_compound_sval(ana::store_manager*,
ana::region const*, ana::compound_svalue const*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/store.cc:618
0x110f518 ana::region_model::get_initial_value_for_global(ana::region const*)
const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:1258
0x11114ca ana::region_model::get_rvalue(tree_node*, ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:1190
0x1113f87 ana::region_model::on_assignment(gassign const*,
ana::region_model_context*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/region-model.cc:562
0x10f4d92 ana::exploded_node::on_stmt(ana::exploded_graph&, ana::supernode
const*, gimple const*, ana::program_state*) const
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:1029
0x10f5fdd ana::exploded_graph::process_node(ana::exploded_node*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:2526
0x10f6aca ana::exploded_graph::process_worklist()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:2341
0x10f8bff ana::impl_run_checkers(ana::logger*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:4107
0x10f981c ana::run_checkers()
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/engine.cc:4175
0x10ee1d8 execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20200823/work/gcc-11-20200823/gcc/analyzer/analyzer-pass.cc:84
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618
2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
@ 2020-08-25 11:50 ` rguenth at gcc dot gnu.org
2020-08-25 12:02 ` dmalcolm at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-08-25 11:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618
2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
2020-08-25 11:50 ` [Bug analyzer/96777] " rguenth at gcc dot gnu.org
@ 2020-08-25 12:02 ` dmalcolm at gcc dot gnu.org
2020-08-25 13:52 ` [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type dmalcolm at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2020-08-25 12:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Ever confirmed|0 |1
Last reconfirmed| |2020-08-25
--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Thanks for filing this; confirmed.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type
2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
2020-08-25 11:50 ` [Bug analyzer/96777] " rguenth at gcc dot gnu.org
2020-08-25 12:02 ` dmalcolm at gcc dot gnu.org
@ 2020-08-25 13:52 ` dmalcolm at gcc dot gnu.org
2020-08-26 1:39 ` cvs-commit at gcc dot gnu.org
2020-08-26 1:47 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2020-08-25 13:52 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
David Malcolm <dmalcolm at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[11 Regression] ICE in |[11 Regression] ICE in
|bind_compound_sval, at |bind_compound_sval with
|analyzer/store.cc:618 |initializer for incomplete
| |array type
--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
The issue is a symbolic key within the binding_map, due to
char pz[];
having incomplete type.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type
2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
` (2 preceding siblings ...)
2020-08-25 13:52 ` [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type dmalcolm at gcc dot gnu.org
@ 2020-08-26 1:39 ` cvs-commit at gcc dot gnu.org
2020-08-26 1:47 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-08-26 1:39 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
--- 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:d88c8df70342fcd6817e23f243ff38d0fe42fc6b
commit r11-2854-gd88c8df70342fcd6817e23f243ff38d0fe42fc6b
Author: David Malcolm <dmalcolm@redhat.com>
Date: Tue Aug 25 09:26:05 2020 -0400
analyzer: fix ICE on initializers for unsized array fields [PR96777]
gcc/analyzer/ChangeLog:
PR analyzer/96777
* region-model.h (class compound_svalue): Document that all keys
must be concrete.
(compound_svalue::compound_svalue): Move definition to svalue.cc.
* store.cc (binding_map::apply_ctor_to_region): Handle
initializers for trailing arrays with incomplete size.
* svalue.cc (compound_svalue::compound_svalue): Move definition
here from region-model.h. Add assertion that all keys are
concrete.
gcc/testsuite/ChangeLog:
PR analyzer/96777
* gcc.dg/analyzer/pr96777.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type
2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
` (3 preceding siblings ...)
2020-08-26 1:39 ` cvs-commit at gcc dot gnu.org
@ 2020-08-26 1:47 ` dmalcolm at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: dmalcolm at gcc dot gnu.org @ 2020-08-26 1:47 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96777
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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2020-08-25 1:50 [Bug analyzer/96777] New: [11 Regression] ICE in bind_compound_sval, at analyzer/store.cc:618 asolokha at gmx dot com
2020-08-25 11:50 ` [Bug analyzer/96777] " rguenth at gcc dot gnu.org
2020-08-25 12:02 ` dmalcolm at gcc dot gnu.org
2020-08-25 13:52 ` [Bug analyzer/96777] [11 Regression] ICE in bind_compound_sval with initializer for incomplete array type dmalcolm at gcc dot gnu.org
2020-08-26 1:39 ` cvs-commit at gcc dot gnu.org
2020-08-26 1:47 ` dmalcolm at gcc dot gnu.org
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