http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146
--- Comment #61 from Jan Hubicka <hubicka at ucw dot cz> 2012-09-10 16:04:38 UTC --- > > I think it would be good to deprecate the flatten attribute... > > It still can be useful I think, if only for creating testcases > with arbitrary large functions ;) I think it is generally useful and some of the HPC extensions do contain flatten equivalent. I do not see anything bad in compiler blowing up your machine when you explicitely ask him to do so via an attribute ;) Honza