https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86452
Bug ID: 86452
Summary: ICE in force_decl_die, at dwarf2out.c:25922 with -g1
and -flto
Product: gcc
Version: 9.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: debug
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: rguenth at gcc dot gnu.org
Target Milestone: ---
Probably similar to PR85176, I see it in libqtwebkit package:
lto1: internal compiler error: in force_decl_die, at dwarf2out.c:25922
0xe10a5a force_decl_die
../../gcc/dwarf2out.c:25922
0xe105e6 force_decl_die
../../gcc/dwarf2out.c:5799
0xe105e6 get_context_die
../../gcc/dwarf2out.c:25860
0x5f4582 gen_type_die_with_usage
../../gcc/dwarf2out.c:25371
0xe00693 gen_type_die
../../gcc/dwarf2out.c:25558
0xe00693 gen_decl_die
../../gcc/dwarf2out.c:26272
0xe093d6 gen_member_die
../../gcc/dwarf2out.c:24995
0xe093d6 gen_struct_or_union_type_die
../../gcc/dwarf2out.c:25092
0xe093d6 gen_tagged_type_die
../../gcc/dwarf2out.c:25302
0xe0276d gen_type_die_with_usage
../../gcc/dwarf2out.c:25503
0xe02895 gen_type_die_with_usage
../../gcc/dwarf2out.c:25461
0xe00693 gen_type_die
../../gcc/dwarf2out.c:25558
0xe00693 gen_decl_die
../../gcc/dwarf2out.c:26272
0xe093d6 gen_member_die
../../gcc/dwarf2out.c:24995
0xe093d6 gen_struct_or_union_type_die
../../gcc/dwarf2out.c:25092
0xe093d6 gen_tagged_type_die
../../gcc/dwarf2out.c:25302
0xe0276d gen_type_die_with_usage
../../gcc/dwarf2out.c:25503
0xe02895 gen_type_die_with_usage
../../gcc/dwarf2out.c:25461
0xe00693 gen_type_die
../../gcc/dwarf2out.c:25558
0xe00693 gen_decl_die
../../gcc/dwarf2out.c:26272
$ (gdb) p decl
$1 = (tree) 0x7ffff6787130
(gdb) p debug_tree(decl)
<namespace_decl 0x7ffff6787130 JSC
type <void_type 0x7ffff659ff18 void asm_written VOID
align:8 warn_if_not_align:0 symtab:0 alias-set -1 structural-equality
pointer_to_this <pointer_type 0x7ffff65a60a8>>
public VOID
/home/abuild/rpmbuild/BUILD/qtwebkit-5.212.0-alpha2/Source/JavaScriptCore/jit/JITCompilationEffort.h:29:11
align:1 warn_if_not_align:0 context <translation_unit_decl 0x7ffff6595168
/home/abuild/rpmbuild/BUILD/qtwebkit-5.212.0-alpha2/Source/JavaScriptCore/b3/testb3.cpp>>
Note it's a huge package, thus test-case reduction will be quite difficult.
Ideas what to do with that?
