https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61515
--- Comment #31 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Bernd Schmidt from comment #30) > Can this be closed? The reduced testcase currently compiles in slightly over > a minute with -O2 and -Os. Not great, but good enough maybe? On the 4.9 branch? I don't think the patch has been backported.