https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92454
Bug ID: 92454
Summary: [10 Regression] ICE: Segmentation fault (in
identify_dead_nodes)
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: ipa
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
CC: marxin at gcc dot gnu.org
Target Milestone: ---
g++-10.0.0-alpha20191110 snapshot (r278028) ICEs when compiling the following
testcase reduced from gcc/testsuite/g++.dg/ipa/pr91969.C w/ -O3 --param
ipa-cp-eval-threshold=1:
% g++-10.0.0-alpha20191110 -O3 --param ipa-cp-eval-threshold=1 -c egqeoohx.C
during IPA pass: cp
egqeoohx.C:21:1: internal compiler error: Segmentation fault
21 | }
| ^
0xe81bf0 crash_signal
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/toplev.c:329
0x7c5a4b identify_dead_nodes
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/ipa-cp.c:5017
0x7c5a4b ipcp_decision_stage
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/ipa-cp.c:5056
0x7c5a4b ipcp_driver
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/ipa-cp.c:5228
0x7c5a4b execute
/var/tmp/portage/sys-devel/gcc-10.0.0_alpha20191110/work/gcc-10-20191110/gcc/ipa-cp.c:5319
