https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127136

            Bug ID: 127136
           Summary: internal compiler error with polymorphic spread
           Product: gcc
           Version: 17.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mikael at gcc dot gnu.org
  Target Milestone: ---

test:

module mod
  implicit none
  type :: t1
    integer :: c1
  end type
contains
  function f(a)
    class(t1), intent(in) :: a
    class(t1), allocatable :: f(:)
    f = spread(a, 1, 5)
  end function
end module

compilation gives:
test_spread.f90:10:23:

   10 |     f = spread(a, 1, 5)
      |                       1
internal compiler error: in gfc_get_element_type, at
fortran/trans-types.cc:1465
0x26c8a2d internal_error(char const*, ...)
        ../../src/gcc/diagnostic-global-context.cc:787
0x978c1d fancy_abort(char const*, int, char const*)
        ../../src/gcc/diagnostics/context.cc:1813
0x74ed22 gfc_get_element_type(tree_node*)
        ../../src/gcc/fortran/trans-types.cc:1465
0xac2155 gfc_trans_create_temp_array(stmtblock_t*, stmtblock_t*, gfc_ss*,
tree_node*, tree_node*, bool, bool, bool, locus*)
        ../../src/gcc/fortran/trans-array.cc:1110
0xb03b44 gfc_conv_procedure_call(gfc_se*, gfc_symbol*, gfc_actual_arglist*,
gfc_expr*, vec<tree_node*, va_gc, vl_embed>*)
        ../../src/gcc/fortran/trans-expr.cc:9032
0xb354a0 gfc_conv_intrinsic_funcall
        ../../src/gcc/fortran/trans-intrinsic.cc:4026
0xad3867 gfc_add_loop_ss_code
        ../../src/gcc/fortran/trans-array.cc:3012
0xad48b1 gfc_conv_loop_setup(gfc_loopinfo*, locus*)
        ../../src/gcc/fortran/trans-array.cc:5853
0xb18b40 gfc_trans_assignment_1
        ../../src/gcc/fortran/trans-expr.cc:13662
0xab8347 trans_code
        ../../src/gcc/fortran/trans.cc:2382
0xaf2a19 gfc_generate_function_code(gfc_namespace*)
        ../../src/gcc/fortran/trans-decl.cc:8346
0xabdbd1 gfc_generate_module_code(gfc_namespace*)
        ../../src/gcc/fortran/trans.cc:2818
0xa53525 translate_all_program_units
        ../../src/gcc/fortran/parse.cc:7718
0xa53525 gfc_parse_file()
        ../../src/gcc/fortran/parse.cc:8061
0xab4e0f gfc_be_parse_file
        ../../src/gcc/fortran/f95-lang.cc:249
/home/mik/gcc/gccx/build/gcc/f951 test_spread.f90
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