gcc/testsuite/gfortran.dg/generic_19.f90

! { dg-do compile }
! Test the fix for PR42481, in which 'sub' was not recognised as
! a generic interface.
!
! Contributed by William Mitchell < william.mitchell@nist.gov>
!
module mod1
contains
  subroutine sub(x, chr)
    real x
    character(8) chr
    if (trim (chr) .ne. "real") STOP 1
    if (int (x) .ne. 1) STOP 2
  end subroutine sub
end module mod1

module mod2
  use mod1
  interface sub
    module procedure sub, sub_int
  end interface sub
contains
  subroutine sub_int(i, chr)
    character(8) chr
    integer i
    if (trim (chr) .ne. "integer") STOP 3
    if (i .ne. 1) STOP 4
  end subroutine sub_int
end module mod2

program prog
  use mod1
  use mod2
  call sub(1, "integer ")
  call sub(1.0, "real    ")
end program prog