http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53525
--- Comment #10 from jimis <jimis at gmx dot net> 2012-05-30 06:23:56 UTC --- Here is how this last patch (macro4) compares to trunk (TME) and to completely disabling track-macro-expansion (noTME): time M instr noTME 0.744s 2081 TME 0.785s 2201 macro4 0.769s 2114