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! { dg-do run }

!

! PR libfortran/20660 and other bugs (not filed in bugzilla) relating

! to negative units

! PR 33055 Runtime error in INQUIRE unit existance with -fdefault-integer-8

! Test case update by Jerry DeLisle <jvdelisle@gcc.gnu.org>

!

! Bugs submitted by Walt Brainerd

      integer i,j

      logical l

      i = -1

! gfortran created a 'fort.-1' file and wrote "Hello" in it

      write (unit=i, fmt=*, iostat=j) "Hello"

      if (j <= 0) call abort

      i = -11

      open (unit=i, file="xxx", iostat=j)

      if (j <= 0) call abort

      i = -42

      inquire (unit=i, exist=l)

      if (l) call abort

      end