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From: "asolokha at gmx dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug translation/107301] New: [13 Regression] ICE in duplicate_block, at cfghooks.cc:1114
Date: Tue, 18 Oct 2022 03:49:36 +0000 [thread overview]
Message-ID: <bug-107301-4@http.gcc.gnu.org/bugzilla/> (raw)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107301
Bug ID: 107301
Summary: [13 Regression] ICE in duplicate_block, at
cfghooks.cc:1114
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: translation
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
gcc 13.0.0 20221016 snapshot (g:6366e3e8847af98d4728d55951534769d034d02a) ICEs
when compiling the following testcase w/ -O2:
__attribute__ ((pure, returns_twice)) int
foo (int x)
{
int a;
a = x ? 3 : 0;
x /= a;
a = foo (x);
if (x == a)
__builtin_unreachable ();
return 0;
}
% gcc-13 -O2 -c ybzomcfk.c
during GIMPLE pass: isolate-paths
ybzomcfk.c: In function 'foo':
ybzomcfk.c:2:1: internal compiler error: in duplicate_block, at
cfghooks.cc:1114
2 | foo (int x)
| ^~~
0x6a97c8 duplicate_block(basic_block_def*, edge_def*, basic_block_def*,
copy_bb_data*)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/cfghooks.cc:1114
0x1d679dc isolate_path(basic_block_def*, basic_block_def*, edge_def*, gimple*,
tree_node*, bool)
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/gimple-ssa-isolate-paths.cc:157
0x1d6970b find_implicit_erroneous_behavior
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/gimple-ssa-isolate-paths.cc:770
0x1d6970b gimple_ssa_isolate_erroneous_paths
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/gimple-ssa-isolate-paths.cc:932
0x1d6970b execute
/var/tmp/portage/sys-devel/gcc-13.0.0_p20221016/work/gcc-13-20221016/gcc/gimple-ssa-isolate-paths.cc:987
next reply other threads:[~2022-10-18 3:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-18 3:49 asolokha at gmx dot com [this message]
2022-10-18 7:34 ` [Bug tree-optimization/107301] " rguenth at gcc dot gnu.org
2022-10-18 7:54 ` rguenth at gcc dot gnu.org
2022-10-18 7:58 ` marxin at gcc dot gnu.org
2022-10-18 8:31 ` cvs-commit at gcc dot gnu.org
2022-10-18 8:31 ` rguenth at gcc dot gnu.org
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