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program class_55
type coor
integer :: x
integer :: y
end type
class(*), allocatable :: c
type(coor), allocatable :: i
i = coor(11, 22)
allocate(c, source = i)
select type (c)
type is (integer)
error stop
type is (real)
error stop
type is (coor)
if (c%x /= 11) error stop
print *, c
class default
error stop
end select
deallocate(c)
allocate(c, source = 4)
select type (c)
type is (integer)
if (c /= 4) error stop
print *, c
type is (real)
error stop
type is (coor)
error stop
class default
error stop
end select
end program
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