https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87136
--- Comment #4 from Darko Veberic <darko.veberic at ijs dot si> --- after 3 days of running the delta managed to bring down the .ii file from 4.5MB to 1.4MB but it then failed with error message Died at ~/soft/delta/trunk/delta line 123, <> line 104113.
