1! { dg-do compile }
2
3      DOUBLE PRECISION AK,AI,AAE
4      COMMON/com/AK(36),AI(4,4),AAE(8,4),ii,jj
5      DO 20 II=1,4
6        DO 21 JJ=1,4
7          AK(n)=AK(n)-AAE(I,II)*AI(II,JJ)
8   21   CONTINUE
9   20 CONTINUE
10      END
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