[Bug debug/66468] New: [6 Regression] ICE in in check_die, at dwarf2out.c:5719

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66468

            Bug ID: 66468
           Summary: [6 Regression] ICE in in check_die, at
                    dwarf2out.c:5719
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: debug
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

Created attachment 35721
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35721&action=edit
Source files

Hello.

Starting from Aldy's merge of debug-early branch (r224161) I see following ICE:

c.ii:12:5: internal compiler error: in check_die, at dwarf2out.c:5719
     }
     ^
0x809612 check_die
        ../../gcc/dwarf2out.c:5715
0x82bcc0 dwarf2out_decl
        ../../gcc/dwarf2out.c:21886
0x82bcdd dwarf2out_function_decl
        ../../gcc/dwarf2out.c:21894
0x89df28 rest_of_handle_final
        ../../gcc/final.c:4505
0x89e094 execute
        ../../gcc/final.c:4547

Reproduction:
./build.sh

Thanks,
Martin