ICE with elemental finalizer

ICE with elemental finalizer

[Andrew Benson]

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I opened PR114535 for the following ICE:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114535

The following code (which must be in two files to trigger the error) causes
an ICE using the latest gfortran.

$ cat ice1.F90
module iv
  type, public :: vs
   contains
     final :: destructor
  end type vs
contains
 elemental subroutine destructor(s)
    type(vs), intent(inout) :: s
  end subroutine destructor
end module iv

$ cat ice2.F90                                                     module d
contains
  function en() result(dd)
    use :: iv
    type(vs) :: dd
    return
  end function en
end module d

module ni
contains
  subroutine iss()
    use :: d
    return
  end subroutine iss
end module ni

$ gfortran -v
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/data001/abenson/Galacticus/Tools_Devel/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ../gcc-git/configure
--prefix=/home/abenson/Galacticus/Tools_Devel
--enable-languages=c,c++,fortran --disable-multilib
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.1 20240330 (experimental) (GCC)

$ gfortran -c ice1.F90 -o ice1.o
$ gfortran -c ice2.F90 -o ice2.o
 ice2.F90:16:13:
   16 | end module ni                                         |
 1
internal compiler error: in gfc_trans_call, at fortran/trans-stmt.cc:400
                                    0x78ddb6 gfc_trans_call(gfc_code*,
bool, tree_node*, tree_node*, bool)
        ../../gcc-git/gcc/fortran/trans-stmt.cc:400     0xaa8a1b
trans_code
 ../../gcc-git/gcc/fortran/trans.cc:2431
0xb47c14 gfc_trans_simple_do
        ../../gcc-git/gcc/fortran/trans-stmt.cc:2521
0xb47c14 gfc_trans_do(gfc_code*, tree_node*)
        ../../gcc-git/gcc/fortran/trans-stmt.cc:2653
0xaa898a trans_code
 ../../gcc-git/gcc/fortran/trans.cc:2463
0xb485e9 gfc_trans_integer_select
 ../../gcc-git/gcc/fortran/trans-stmt.cc:3199
0xb485e9 gfc_trans_select(gfc_code*)
        ../../gcc-git/gcc/fortran/trans-stmt.cc:3692
0xaa8957 trans_code
        ../../gcc-git/gcc/fortran/trans.cc:2475
0xadd6fb gfc_generate_function_code(gfc_namespace*)
        ../../gcc-git/gcc/fortran/trans-decl.cc:7879
0xaadbf1 gfc_generate_module_code(gfc_namespace*)
        ../../gcc-git/gcc/fortran/trans.cc:2785
0xa5113d translate_all_program_units
        ../../gcc-git/gcc/fortran/parse.cc:7086
0xa5113d gfc_parse_file()
        ../../gcc-git/gcc/fortran/parse.cc:7413
0xaa546f gfc_be_parse_file
        ../../gcc-git/gcc/fortran/f95-lang.cc:241
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

This only occurs if the FINAL subroutine is ELEMENTAL.


--

* Andrew Benson: http://users.obs.carnegiescience.edu/abenson

* Galacticus: https://github.com/galacticusorg/galacticus