https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97770
--- Comment #19 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to rguent...@suse.de from comment #18) > > That's going to work I guess but it will pessimize general optimization > which no longer know this is computing popcount (not sure if the old > version exposed that fact). Do we have testcase for that?