https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91269
--- Comment #6 from Matt Turner <mattst88 at gmail dot com> --- (In reply to Matt Turner from comment #5) > With -mcpu=niagara4 and *without* -fcall-used-g6 it compiles fine. Also doesn't occur with -O1 or -mno-lra.