gcc/testsuite/gfortran.dg/pr32635.f

   1 C { dg-do run }
   2 C PR 32635 - this used to call an ICE in verify_ssa at -O2.
   3 C An empty main program ensures that we cycle through all
   4 C the options.
   5
   6       program main
   7       end
   8
   9       subroutine aled7(ix,ib,itable,ip,ip2,imat,nummat,
  10      1                 mx0,k,numnp,numel,iadj)
  11
  12       implicit double precision (a-h,o-z)                                    dp
  13
  14       common/cale6/fst(16,4),ist(256,14)
  15 c
  16       dimension ib(*),itable(*),ip(3,*),ip2(*),ix(6,*),imat(nummat+1,*)
  17 c
  18 c
  19       ipnt=1
  20       do 20 i=1,numel
  21       if (imat(ix(5,i),mx0).ne.1) go to 20
  22    20 continue
  23 c
  24       k=0
  25       kflg=0
  26    25 do 30 i=1,ipnt
  27       if (ip(1,i).eq.0) go to 30
  28       ii=i
  29       go to 40
  30    30 continue
  31 c
  32    40 k=k+1
  33       iel=ip(3,ii)
  34       ib(k+iadj)=i1
  35       if (kflg.eq.1) ip(1,ii)=0
  36       kflg=1
  37 c
  38       isum=0
  39       do 50 i=1,ipnt
  40       if (ip(1,i).eq.0) isum=isum+1
  41       if (ip(1,i).eq.0.or.ip(1,i).ne.i2) go to 50
  42       ii=i
  43       if (ip(3,i).eq.iel) go to 40
  44    50 continue
  45 c
  46       if (ip(1,ii).eq.i2) go to 40
  47       kflg=0
  48       if (isum.ne.ipnt) go to 25
  49 c
  50       return
  51       end