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[Bug fortran/80751] New: NULL pointer dereferencing in gfc_trans_call on calling elemental procedure (trunk 247930)


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80751

            Bug ID: 80751
           Summary: NULL pointer dereferencing in gfc_trans_call on
                    calling elemental procedure (trunk 247930)
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: zeccav at gmail dot com
  Target Milestone: ---

This issue is exposed by adding a gcc_assert at trans-stmt.c:455


! NULL pointer dereferencing in gfc_trans_call on calling elemental procedure
(trunk 247930)
!trans-stmt.c:455 gcc_assert(code->expr1);   /*!vz my addition
gfortran.dg/bounds_check_fail_2.f90*/
!trans-stmt.c:456 gfc_conv_loop_setup (&loop, &code->expr1->where);
      interface
       elemental subroutine sub(i)
        intent(in) :: i
       end subroutine
      end interface
      call sub((/1,2/))
      end
!.f:9:0:

!       call sub((/1,2/))

!internal compiler error: in gfc_trans_call, at fortran/trans-stmt.c:455
!0xc6ee72 gfc_trans_call(gfc_code*, bool, tree_node*, tree_node*, bool)
!       ../../gcc/fortran/trans-stmt.c:455
!0x99834e trans_code
!       ../../gcc/fortran/trans.c:1885
!0x99900f gfc_trans_code(gfc_code*)
!       ../../gcc/fortran/trans.c:2128
!0xa9d0cf gfc_generate_function_code(gfc_namespace*)
!       ../../gcc/fortran/trans-decl.c:6332
!0x999080 gfc_generate_code(gfc_namespace*)
!       ../../gcc/fortran/trans.c:2145
!0x81564d translate_all_program_units
!       ../../gcc/fortran/parse.c:6074
!0x82be66 gfc_parse_file()
!       ../../gcc/fortran/parse.c:6274
!0x970e19 gfc_be_parse_file
!       ../../gcc/fortran/f95-lang.c:204
!Please submit a full bug report,
!with preprocessed source if appropriate.
!Please include the complete backtrace with any bug report.
!See <https://gcc.gnu.org/bugs/> for instructions.

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