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! { dg-do run }

! Program to test character array constructors.

! PR17144

subroutine test1 (n, t, u)

  integer n

  character(len=n) :: s(2)

  character(len=*) :: t

  character(len=*) :: u

  ! A variable array constructor.

  s = (/t, u/)

  ! An array constructor as part of an expression.

  if (any (s .ne. (/"Hell", "Worl"/))) call abort

end subroutine

subroutine test2

  character*5 :: s(2)

  ! A constant array constructor

  s = (/"Hello", "World"/)

  if ((s(1) .ne. "Hello") .or. (s(2) .ne. "World")) call abort

end subroutine

subroutine test3

  character*1 s(26)

  character*26 t

  integer i

  ! A large array constructor

  s = (/'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', &

        'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'/)

  do i=1, 26

    t(i:i) = s(i)

  end do

  ! Assignment with dependency

  s = (/(s(27-i), i=1, 26)/)

  do i=1, 26

    t(i:i) = s(i)

  end do

  if (t .ne. "zyxwvutsrqponmlkjihgfedcba") call abort

end subroutine

program string_ctor_1

  call test1 (4, "Hello", "World")

  call test2

  call test3

end program