llvm-gcc-4.2/gcc/testsuite/gfortran.dg/same_name_1.f90

! { dg-do assemble }
module n
private u
contains
  subroutine u
  end subroutine u
end module n
module m
  private :: u
contains
  subroutine u
  end subroutine u
end module m

! { dg-final { cleanup-modules "n m" } }