http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53525
Mathias Gaunard <mathias at gaunard dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mathias at gaunard dot com --- Comment #16 from Mathias Gaunard <mathias at gaunard dot com> --- I opened bug #56746 a while ago which is somewhat related to this. ftrack-macro-expansion is causing 50% increased memory usage in my case (C++ code with heavy usage of macros and templates). Please also consider memory usage and not just performance.