https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70826
Alan Modra <amodra at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2016-04-29 Assignee|unassigned at gcc dot gnu.org |amodra at gmail dot com Ever confirmed|0 |1 --- Comment #9 from Alan Modra <amodra at gmail dot com> --- It looks like a testcase bug. -frename-regs happens to make main() use cr2, and there doesn't seem to be anything to prevent that.