http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54794
--- Comment #2 from Dmitry G. Dyachenko <dimhen at gmail dot com> 2012-10-03 14:04:06 UTC --- i have 23 src-files hence 23 ii-files with about 50Mb code if i remove any file from build then err not triggered (at beginning there were 29 files) i'll run creduce tonight. Oh, cycle throw 23 files :)