1! { dg-do run }
2!
3! PR libfortran/20660 and other bugs (not filed in bugzilla) relating
4! to negative units
5! PR 33055 Runtime error in INQUIRE unit existance with -fdefault-integer-8
6! Test case update by Jerry DeLisle <jvdelisle@gcc.gnu.org>
7!
8! Bugs submitted by Walt Brainerd
9      integer i,j
10      logical l
11
12      i = -1
13! gfortran created a 'fort.-1' file and wrote "Hello" in it
14      write (unit=i, fmt=*, iostat=j) "Hello"
15      if (j <= 0) call abort
16
17      i = -11
18      open (unit=i, file="xxx", iostat=j)
19      if (j <= 0) call abort
20
21      i = -42
22      inquire (unit=i, exist=l)
23      if (l) call abort
24      end
25