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! Check whether nested WHEREs work
program where_16
integer :: a(9)
integer :: b(9)
integer :: c(9)
a = (/0, 0, 0, 1, 1, 1, 2, 2, 2/)
b = (/0, 1, 2, 0, 1, 2, 0, 1, 2/)
c = (/0, 0, 0, 0, 0, 0, 0, 0, 0/)
where (a .eq. 0)
where (b .eq. 0)
c = 1
else where (b .eq. 1)
c = 2
else where
c = 3
endwhere
elsewhere (a .eq. 1)
where (b .eq. 0)
c = 4
else where (b .eq. 1)
c = 5
else where
c = 6
endwhere
elsewhere
where (b .eq. 0)
c = 7
else where (b .eq. 1)
c = 8
else where
c = 9
endwhere
endwhere
if (any (c .ne. (/1, 2, 3, 4, 5, 6, 7, 8, 9/))) &
call abort
end program
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