[Bug fortran/99351] New: ICE in gfc_finish_var_decl, at fortran/trans-decl.c:695

[gscfq--- via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99351

            Bug ID: 99351
           Summary: ICE in gfc_finish_var_decl, at
                    fortran/trans-decl.c:695
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gs...@t-online.de
  Target Milestone: ---

Affects versions down to at least r5 :


$ cat z1.f90
module m
   character(3), parameter :: c = 'abc'
contains
   subroutine s
      sync all (errmsg=c)
   end
end


$ cat z2.f90
module m
   integer, parameter :: a = 0
contains
   subroutine s
      sync images (*, stat=a)
   end
end


$ gfortran-11-20210221 -c z1.f90 -fcoarray=single   # seems to be accepted
$
$ gfortran-11-20210221 -c z1.f90 -fcoarray=lib
z1.f90:5:25:

    5 |       sync all (errmsg=c)
      |                         1
internal compiler error: in gfc_finish_var_decl, at fortran/trans-decl.c:695
0x7a5d01 gfc_finish_var_decl
        ../../gcc/fortran/trans-decl.c:695
0x7a4640 gfc_get_symbol_decl(gfc_symbol*)
        ../../gcc/fortran/trans-decl.c:1872
0x7c0208 gfc_conv_variable
        ../../gcc/fortran/trans-expr.c:2913
0x7bacea gfc_conv_expr(gfc_se*, gfc_expr*)
        ../../gcc/fortran/trans-expr.c:8916
0x814088 gfc_trans_sync(gfc_code*, gfc_exec_op)
        ../../gcc/fortran/trans-stmt.c:1242
0x7767e7 trans_code
        ../../gcc/fortran/trans.c:2052
0x7a9b05 gfc_generate_function_code(gfc_namespace*)
        ../../gcc/fortran/trans-decl.c:6880
0x777059 gfc_generate_module_code(gfc_namespace*)
        ../../gcc/fortran/trans.c:2322
0x720b21 translate_all_program_units
        ../../gcc/fortran/parse.c:6338
0x720b21 gfc_parse_file()
        ../../gcc/fortran/parse.c:6620
0x76df2f gfc_be_parse_file
        ../../gcc/fortran/f95-lang.c:212