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! { dg-do run }
! PR fortran/21177
module mymod
interface tt
module procedure tt_i, tt_r, tt_l, tt_c4, tt_c8
end interface tt
contains
function tt_l(x) result(y)
integer :: y
logical, pointer :: x
y = 0
end function
function tt_i(x) result(y)
integer :: y
integer, pointer :: x
y = 1
end function
function tt_r(x) result(y)
integer :: y
real, pointer :: x
y = 2
end function
function tt_c4(x) result(y)
integer :: y
complex(4), pointer :: x
y = 3
end function
function tt_c8(x) result(y)
integer :: y
complex(8), pointer :: x
y = 4
end function
end module mymod
program test
use mymod
logical, pointer :: l
integer, pointer :: i
real, pointer :: r
complex(4), pointer :: c4
complex(8), pointer :: c8
if (tt(l) /= 0) call abort()
if (tt(i) /= 1) call abort()
if (tt(r) /= 2) call abort()
if (tt(c4) /= 3) call abort()
if (tt(c8) /= 4) call abort()
if (tt(null(l)) /= 0) call abort()
if (tt(null(i)) /= 1) call abort()
if (tt(null(r)) /= 2) call abort()
if (tt(null(c4)) /= 3) call abort()
if (tt(null(c8)) /= 4) call abort()
end program test
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