blob: d5293376a25d406904140e4b2f53008daf264c55 [file] [log] [blame]
! { dg-options "-Wundefined-do-loop" }
! Program to check corner cases for DO statements.
program do_1
implicit none
integer i, j
! limit=HUGE(i), step 1
j = 0
do i = HUGE(i) - 10, HUGE(i), 1 ! { dg-warning "is undefined as it overflows" }
j = j + 1
end do
if (j .ne. 11) STOP 1
! limit=-HUGE(i)-1, step -1
j = 0
do i = -HUGE(i) + 10 - 1, -HUGE(i) - 1, -1 ! { dg-warning "is undefined as it underflows" }
j = j + 1
end do
if (j .ne. 11) STOP 2
end program