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diff --git a/gcc/testsuite/gfortran.dg/inquire_9.f90 b/gcc/testsuite/gfortran.dg/inquire_9.f90
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+! PR fortran/24774
+! { dg-do run }
+ logical :: l
+ l = .true.
+ inquire (file='inquire_9 file that should not exist', exist=l)
+ if (l) call abort
+ l = .true.
+ inquire (unit=-16, exist=l)
+ if (l) call abort
+ open (unit=16, file='inquire_9.tst')
+ print (unit=16, fmt='(a)'), 'Test'
+ l = .false.
+ inquire (unit=16, exist=l)
+ if (.not.l) call abort
+ l = .false.
+ inquire (file='inquire_9.tst', exist=l)
+ if (.not.l) call abort
+ close (unit=16)
+ l = .false.
+ inquire (file='inquire_9.tst', exist=l)
+ if (.not.l) call abort
+ open (unit=16, file='inquire_9.tst')
+ close (unit=16, status='delete')
+end