[Bug debug/78871] New: Anonymous namespace and -flto -gsplit-dwarf: ICE in lhd_decl_printable_name, at langhooks.c:215

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78871

            Bug ID: 78871
           Summary: Anonymous namespace and -flto -gsplit-dwarf: ICE in
                    lhd_decl_printable_name, at langhooks.c:215
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: trippels at gcc dot gnu.org
  Target Milestone: ---

All supported gcc versions are affected:


markus@x4 ~ % cat Util.ii
namespace {
void foo() {}
}

markus@x4 ~ % g++ -flto -gsplit-dwarf Util.ii
Util.ii: In function ‘foo’:
Util.ii:2:13: internal compiler error: in lhd_decl_printable_name, at
langhooks.c:215
 void foo() {}
             ^
0x8eec74 lhd_decl_printable_name(tree_node*, int)
        /home/markus/gcc/gcc/langhooks.c:215
0x6ffa74 gen_namespace_die
        /home/markus/gcc/gcc/dwarf2out.c:25009
0x6ffa74 gen_decl_die
        /home/markus/gcc/gcc/dwarf2out.c:25215
0x70078e dwarf2out_decl
        /home/markus/gcc/gcc/dwarf2out.c:25628
0x706c2f force_decl_die
        /home/markus/gcc/gcc/dwarf2out.c:24847
0x706de5 declare_in_namespace
        /home/markus/gcc/gcc/dwarf2out.c:24947
0x700127 declare_in_namespace
        /home/markus/gcc/gcc/dwarf2out.c:24918
0x700127 gen_decl_die
        /home/markus/gcc/gcc/dwarf2out.c:25116
0x70078e dwarf2out_decl
        /home/markus/gcc/gcc/dwarf2out.c:25628
0x700cde dwarf2out_function_decl
        /home/markus/gcc/gcc/dwarf2out.c:25643
0x7762ef rest_of_handle_final
        /home/markus/gcc/gcc/final.c:4506
0x7762ef execute
        /home/markus/gcc/gcc/final.c:4548
Please submit a full bug report,