https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64307
--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> --- Hello. Following patch handles both issues: https://gcc.gnu.org/ml/gcc-patches/2015-01/msg00934.html. Problem with the example is that the pass decides to process local redirection as merge operation. Unfortunately, there's no caller and that's the reason for empty dump file output. Martin
