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program prog common /block/ i equivalence (a, b, c), (i, j, k ,l) a = 1.0 b = 2.0 c = 3.0 i = 1 j = 2 k = 3 l = 4 if ((a .ne. 3.0) .or. (b .ne. 3.0) .or. (c .ne. 3.0)) call abort () if ((i .ne. 4) .or. (j .ne. 4) .or. (k .ne. 4) .or. (l .ne. 4)) & call abort () end program