gcc/testsuite/gfortran.dg/pr23095.f

   1       ! { dg-do compile { target { { i?86-*-* x86_64-*-* } && ilp32 } } }
   2       ! { dg-options "-w -O2 -ffloat-store -fgcse-after-reload" }
   3       !
   4       ! GCSE after reload made a stack register live across an abnormal
   5       ! edges for one of the computed jumps.  This bombed in reg-stack.
   6       function foo(n)
   7       real(kind=8) foo
   8       integer ix, n, next
   9       real(kind=8) xmax, absx
  10       foo  = 0.0d0
  11       assign 20 to next
  12       do ix = 1,n
  13          go to next,(10, 30)
  14    10    assign 40 to next
  15          go to 40
  16    20    if (absx .gt. 8.232d-11) go to 40
  17    30    if (absx .le. xmax) go to 40
  18          xmax = absx
  19    40    go to next,(10, 30)
  20       end do
  21       return
  22       end