1c { dg-do compile }
2      subroutine derv (xx,b,bv,det,r,s,t,ndopt,cosxy,thick,edis,
3     1                  vni,vnt)
4      implicit real*8 (a-h,o-z)
5      save
6c
7      common /shell1/ disd(9),ield,ielp,npt,idw,ndrot
8      common /shell4/xji(3,3),p(3,32),h(32)
9c
10      dimension xx(3,*),ndopt(*),bv(*),vni(*),cosxy(6,*),vnt(*),
11     1          edis(*),thick(*),b(*)
12c
13      kk=0
14      k2=0
15      do 130 k=1,ield
16      k2=k2 + 3
17      if (ndopt(k)) 127,127,130
18  127 kk=kk + 1
19      do 125 i=1,3
20      b(k2+i)=b(k2+i) + (xji(i,1)*p(1,k) + xji(i,2)*p(2,k))*t
21     1         + xji(i,3)*h(k)
22      th=0.5*thick(kk)
23      b(k2+i+3)=b(k2+i+3) - th*cosxy(i+3,kk)
24  125 b(k2+i+6)=b(k2+i+6) + th*cosxy(i,kk)
25      k2=k2 + 9
26  130 continue
27      return
28      end
29