! { dg-do run }
! The equivalence was causing us to miss out c when laying out the common
! block.
program common_2
common /block/ a, b, c, d
integer a, b, c, d, n
dimension n(4)
equivalence (a, n(1))
equivalence (c, n(3))
a = 1
b = 2
c = 3
d = 4
if (any (n .ne. (/1, 2, 3, 4/))) call abort
end program