https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86654
Bug ID: 86654
Summary: [9 Regression] ICE in gen_member_die, at
dwarf2out.c:24933
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: lto
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: marxin at gcc dot gnu.org, rguenth at gcc dot gnu.org
Target Milestone: ---
I have slightly reduced test-case from Firefox:
$ g++ -flto=8 -shared -O2 [1234].ii -fPIC -g
...
lto1: internal compiler error: in gen_member_die, at dwarf2out.c:24933
0x5c8117 gen_member_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:24933
0x5c8117 gen_struct_or_union_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25128
0x871ebf gen_tagged_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25329
0x88bc0f gen_typedef_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25243
0x86fc0a gen_decl_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:26229
0x8727bc gen_type_die_with_usage
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25394
0x873416 gen_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25578
0x86fef2 gen_decl_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:26297
0x8719e2 gen_member_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25032
0x8719e2 gen_struct_or_union_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25128
0x871ebf gen_tagged_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25329
0x872d37 gen_type_die_with_usage
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25524
0x871f49 gen_tagged_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25298
0x872d37 gen_type_die_with_usage
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25524
0x872d63 gen_type_die_with_usage
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25482
0x873416 gen_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25578
0x86fef2 gen_decl_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:26297
0x8719e2 gen_member_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25032
0x8719e2 gen_struct_or_union_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25128
0x871ebf gen_tagged_type_die
/home/marxin/Programming/gcc/gcc/dwarf2out.c:25329
