[Bug fortran/68224] New: ICE on referencing parameter array with dimension null

[gerhard.steinmetz.fort...@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68224

            Bug ID: 68224
           Summary: ICE on referencing parameter array with dimension null
           Product: gcc
           Version: 5.2.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gerhard.steinmetz.fort...@t-online.de
  Target Milestone: ---

Referencing a parameter array with dimension null :

$ cat z1.f90
program p
   integer, parameter :: c(null()) = [1, 2]
   integer, parameter :: a = c(1)
   integer :: b = c(2)
end

$ gfortran -g -O0 -Wall -fcheck=all z1.f90
f951: internal compiler error: in find_array_element, at fortran/expr.c:1222