[Bug fortran/103606] New: [9/10/11/12 Regression] ICE in resolve_fl_procedure, at fortran/resolve.c:13297

[gscfq--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103606

            Bug ID: 103606
           Summary: [9/10/11/12 Regression] ICE in resolve_fl_procedure,
                    at fortran/resolve.c:13297
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gs...@t-online.de
  Target Milestone: ---

With a missing attribute allocatable or pointer, started with r7 :
(gcc configured with --enable-checking=yes)


$ cat z1.f90
program p
   type t
   end type
contains
   elemental function f() result(z)
      class(t) :: z
   end
end


$ gfortran-12-20211205 -c z1.f90
z1.f90:5:35:

    5 |    elemental function f() result(z)
      |                                   1
Error: CLASS variable 'z' at (1) must be dummy, allocatable or pointer
f951: internal compiler error: Segmentation fault
0xf0b99f crash_signal
        ../../gcc/toplev.c:322
0x859de6 resolve_fl_procedure
        ../../gcc/fortran/resolve.c:13297
0x859de6 resolve_symbol
        ../../gcc/fortran/resolve.c:16110
0x876b52 do_traverse_symtree
        ../../gcc/fortran/symbol.c:4174
0x85af84 resolve_types
        ../../gcc/fortran/resolve.c:17449
0x85642c gfc_resolve(gfc_namespace*)
        ../../gcc/fortran/resolve.c:17564
0x83e764 resolve_all_program_units
        ../../gcc/fortran/parse.c:6586
0x83e764 gfc_parse_file()
        ../../gcc/fortran/parse.c:6842
0x88c73f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:216