https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97698
Bug ID: 97698
Summary: [11 Regression] ICE: Segmentation fault (in
duplicate_thunk_for_node)
Product: gcc
Version: 11.0
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++-11.0.0-alpha20201101 snapshot (g:590febb5f6624f78b36402a7c9a9c318978f1efa)
ICEs when compiling gcc/testsuite/g++.dg/torture/pr83619.C w/ -O3 --param
ipa-cp-eval-threshold=30:
% g++-11.0.0 -O3 --param ipa-cp-eval-threshold=30 -c
gcc/testsuite/g++.dg/torture/pr83619.C
during IPA pass: cp
gcc/testsuite/g++.dg/torture/pr83619.C:64:1: internal compiler error:
Segmentation fault
64 | }
| ^
0x102afef crash_signal
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/toplev.c:330
0xbeaad8 duplicate_thunk_for_node
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/cgraphclones.c:242
0xbeaca7 cgraph_edge::redirect_callee_duplicating_thunks(cgraph_node*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/cgraphclones.c:265
0xbeb0e1 cgraph_node::create_clone(tree_node*, profile_count, bool,
vec<cgraph_edge*, va_heap, vl_ptr>, bool, cgraph_node*, ipa_param_adjustments*,
char const*)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/cgraphclones.c:429
0xbeb9e7 cgraph_node::create_virtual_clone(vec<cgraph_edge*, va_heap, vl_ptr>,
vec<ipa_replace_map*, va_gc, vl_embed>*, ipa_param_adjustments*, char const*,
unsigned int)
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/cgraphclones.c:615
0x1a3a766 create_specialized_node
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:4576
0x1a3dddd decide_about_value<ipa_polymorphic_call_context>
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:5514
0x1a3dddd decide_whether_version_node
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:5579
0x1a3ed27 ipcp_decision_stage
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:5732
0x1a3ed27 ipcp_driver
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:5919
0x1a3ed27 execute
/var/tmp/portage/sys-devel/gcc-11.0.0_alpha20201101/work/gcc-11-20201101/gcc/ipa-cp.c:5994
