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! { dg-do run }

! { dg-options "-std=f2008 -fall-intrinsics" }

! Basic Fortran 2008 BLOCK construct test.

PROGRAM main

  IMPLICIT NONE

  INTEGER :: i

  i = 42

  ! Empty block.

  BLOCK

  END BLOCK

  ! Block without local variables but name.

  BLOCK

    IF (i /= 42) CALL abort ()

    i = 5

  END BLOCK

  IF (i /= 5) CALL abort ()

  ! Named block with local variable and nested block.

  myblock: BLOCK

    INTEGER :: i

    i = -1

    BLOCK

      IF (i /= -1) CALL abort ()

      i = -2

    END BLOCK

    IF (i /= -2) CALL abort ()

  END BLOCK myblock ! Matching end-label.

  IF (i /= 5) CALL abort ()

END PROGRAM main