https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87430

            Bug ID: 87430
           Summary: ICE in fortran/trans-types.c:1157
           Product: gcc
           Version: 8.1.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: pascal22p at parois dot net
  Target Milestone: ---

Hi,

The following code result in a crash of the compiler. The code is
non-conforming.

module xlexical_mod

contains

subroutine lexical_preprocessing(image_text)
  implicit none
  character(len=*) :: image_text
  character(len=10), dimension(:), allocatable :: elements
  character(len=3) :: label
  integer serial
  !integer i

  allocate(elements(10))
  do i=2, size(elements)
    associate(el => elements(i)) 
      read(el(1:2), *) serial  
    end associate
  end do
end subroutine

end module

The crash is:
../crystals/crash.F90:5:0:

 subroutine lexical_preprocessing(image_text)

internal compiler error: in gfc_typenode_for_spec, at
fortran/trans-types.c:1157
0x58a9be gfc_typenode_for_spec(gfc_typespec*, int)
        ../../gcc/fortran/trans-types.c:1157
0x70b5fc gfc_sym_type(gfc_symbol*)
        ../../gcc/fortran/trans-types.c:2268
0x6b64ed gfc_get_symbol_decl(gfc_symbol*)
        ../../gcc/fortran/trans-decl.c:1728
0x6b94c7 generate_local_decl
        ../../gcc/fortran/trans-decl.c:5595
0x67f502 do_traverse_symtree
        ../../gcc/fortran/symbol.c:4165
0x6ba0ba generate_local_vars
        ../../gcc/fortran/trans-decl.c:5795
0x6ba0ba gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6442
0x697819 gfc_generate_module_code(gfc_namespace*)
        ../../gcc/fortran/trans.c:2222
0x64aeeb translate_all_program_units
        ../../gcc/fortran/parse.c:6108
0x64aeeb gfc_parse_file()
        ../../gcc/fortran/parse.c:6324
0x69128f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:204

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