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! Program to test the stack variable size limit.

program stack

   call sub1

   call sub2 (1)

contains

   ! Local variables larger than 32768 in byte size shall be placed in static

   ! storage area, while others be put on stack by default.

   subroutine sub1

      real a, b(32768/4), c(32768/4+1)

      integer m, n(1024,4), k(1024,1024)

      a = 10.0

      b = 20.0

      c = 30.0

      m = 10

      n = 20

      k = 30

      if ((a .ne. 10.0).or.(b(1) .ne. 20.0).or.(c(1) .ne. 30.0)) call abort

      if ((m .ne. 10).or.(n(256,4) .ne. 20).or.(k(1,1024) .ne. 30)) call abort

   end subroutine

   ! Local variables defined in recursive subroutine are always put on stack.

   recursive subroutine sub2 (n)

      real a (32769)

      a (1) = 42

      if (n .ge. 1) call sub2 (n-1)

      if (a(1) .ne. 42) call abort

      a (1) = 0

   end subroutine

end