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! Test the dependency checking in simple where. This
! did not work and was fixed as part of the patch for
! pr24519.
!
program where_20
integer :: a(4)
integer :: b(3)
integer :: c(3)
integer :: d(3) = (/1, 2, 3/)
equivalence (a(1), b(1)), (a(2), c(1))
! This classic case worked before the patch.
a = (/1, 2, 3, 4/)
where (b .gt. 1) a(2:4) = a(1:3)
if (any(a .ne. (/1,2,2,3/))) call abort ()
! This is the original manifestation of the problem
! and is repeated in where_19.f90.
a = (/1, 2, 3, 4/)
where (b .gt. 1)
c = b
endwhere
if (any(a .ne. (/1,2,2,3/))) call abort ()
! Mask to.destination dependency.
a = (/1, 2, 3, 4/)
where (b .gt. 1)
c = d
endwhere
if (any(a .ne. (/1,2,2,3/))) call abort ()
! Source to.destination dependency.
a = (/1, 2, 3, 4/)
where (d .gt. 1)
c = b
endwhere
if (any(a .ne. (/1,2,2,3/))) call abort ()
! Check the simple where.
a = (/1, 2, 3, 4/)
where (b .gt. 1) c = b
if (any(a .ne. (/1,2,2,3/))) call abort ()
! This was OK before the patch.
a = (/1, 2, 3, 4/)
where (b .gt. 1)
where (d .gt. 1)
c = b
end where
endwhere
if (any(a .ne. (/1,2,2,3/))) call abort ()
end program
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