https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63577
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[4.8/4.9/5? Regression]: |[4.8/4.9/5 Regression]: |Huge compile time and |Huge compile time and |memory usage with -O and |memory usage with -O and |not -fPIC |not -fPIC --- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> --- --param max-combine-insns=2 helps a bit compile-time wise but not fully memory-usage-wise (I suppose log-links are expensive and of course still set up). Only available on trunk, of course.