https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88853
Bug ID: 88853
Summary: ICE: verify_type failed (error: type variant differs
by TYPE_PACKED)
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-valid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: asolokha at gmx dot com
Target Milestone: ---
Created attachment 45433
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45433&action=edit
Testcase
g++-9.0.0-alpha20190113 snapshot (r267906), 8.2, 7.4, 6.3 all ICE when
compiling the attached snippet reduced from gcc/testsuite/g++.dg/ext/pr85503.C
w/ -fpack-struct -g:
% g++-9.0.0-alpha20190113 -fpack-struct -g -c jxdgvov9.cc
jxdgvov9.cc: In instantiation of 'class yp<fd<double, 0> >':
jxdgvov9.cc:15:7: required from 'class n1<fd<double, 0> >'
jxdgvov9.cc:21:7: required from 'class c4<fd<double, 0> >'
jxdgvov9.cc:33:7: required from 'class hb<fd<double, 0> >'
jxdgvov9.cc:45:7: required from 'class fd<double, 0>'
jxdgvov9.cc:52:7: required from 'class dh<dh<fd<double, 0> > >'
jxdgvov9.cc:17:22: required from 'class n1<dh<fd<double, 0> > >'
jxdgvov9.cc:57:19: required from here
jxdgvov9.cc:26:7: error: type variant differs by TYPE_PACKED
26 | class yp
| ^~
<record_type 0x7fefa98a3e70 fd packed type_5 type_6 VOID
align:8 warn_if_not_align:0 symtab:-1451847200 alias-set -1 canonical-type
0x7fefa98a3e70 context <translation_unit_decl 0x7fefa975a168 jxdgvov9.cc>
full-name "class fd<double, 0>"
no-binfo use_template=1 interface-unknown
chain <type_decl 0x7fefa986fb48 fd>>
<record_type 0x7fefa98a3f18 fd readonly type_5 VOID
align:8 warn_if_not_align:0 symtab:-1451847120 alias-set -1 canonical-type
0x7fefa98a3f18 context <translation_unit_decl 0x7fefa975a168 jxdgvov9.cc>
full-name "const class fd<double, 0>"
no-binfo use_template=1 interface-unknown>
jxdgvov9.cc:26:7: internal compiler error: verify_type failed
0x127580b verify_type(tree_node const*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/tree.c:14555
0xc022f4 gen_type_die_with_usage
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25449
0xc040e6 gen_type_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25679
0xc1f343 gen_decl_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:26272
0xc227e3 gen_member_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25133
0xc227e3 gen_struct_or_union_type_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25229
0xc1d954 gen_tagged_type_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25430
0xc02845 gen_type_die_with_usage
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25625
0xc040e6 gen_type_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:25679
0xc1e740 gen_decl_die
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:26311
0xc1f9e6 dwarf2out_decl
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:26856
0xc1feb8 dwarf2out_type_decl
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:26583
0xc1feb8 dwarf2out_type_decl
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/dwarf2out.c:26578
0xebfb98 rest_of_type_compilation(tree_node*, int)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/passes.c:339
0x8bad7c finish_struct_1(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/class.c:7055
0xa0f5d3 instantiate_class_template_1
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/pt.c:11397
0xa0f5d3 instantiate_class_template(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/pt.c:11436
0xa565fd complete_type(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/typeck.c:138
0xa5673b complete_type(tree_node*)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/typeck.c:119
0xa5673b complete_type_or_maybe_complain(tree_node*, tree_node*, int)
/var/tmp/portage/sys-devel/gcc-9.0.0_alpha20190113/work/gcc-9-20190113/gcc/cp/typeck.c:150
