! { dg-do run }
! PR18218
! The IO library has an algorithm that involved repeated multiplication by 10,
! resulting in introducing large cumulative floating point errors.
program foo
character*20 s
real*8 d
s = "-.18774312893273 "
read(unit=s, fmt='(g20.14)') d
if (d + 0.18774312893273d0 .gt. 1d-13) call abort
end program