[Bug c/105636] New: ICE in gen_ctf_array_type, at dwarf2ctf.cc:379

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105636

            Bug ID: 105636
           Summary: ICE in gen_ctf_array_type, at dwarf2ctf.cc:379
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

With file ./gcc/testsuite/gcc.dg/gnu99-const-expr-4.c
and option -gctf or -gbtf, at -O0 :


$ gcc-13-20220515 -c gnu99-const-expr-4.c -gctf
gnu99-const-expr-4.c:29:1: internal compiler error: in gen_ctf_array_type, at
dwarf2ctf.cc:379
   29 | static int (*a7)[] = (__typeof__((int (*)[n])sa + m++))sa; /* {
dg-error "constant" } */
      | ^~~~~~
0x852783 gen_ctf_array_type
        ../../gcc/dwarf2ctf.cc:379
0x852783 gen_ctf_type
        ../../gcc/dwarf2ctf.cc:881
0x852ddd ctf_do_die(die_struct*)
        ../../gcc/dwarf2ctf.cc:973
0x85691b ctf_debug_do_cu
        ../../gcc/dwarf2out.cc:32877
0x8a2461 dwarf2out_early_finish
        ../../gcc/dwarf2out.cc:33006
0x80cbff symbol_table::finalize_compilation_unit()
        ../../gcc/cgraphunit.cc:2525