1! Check whether an empty WHERE works
2program where_15
3   integer :: a(5)
4   integer :: b(5)
5
6   a = (/1, 2, 3, 4, 5/)
7   b = (/0, 0, 0, 0, 0/)
8   where (a .eq. 1)
9   elsewhere
10     b = 2
11   endwhere
12   if (any (b .ne. (/0, 2, 2, 2, 2/))) &
13     STOP 1
14end program
15
16