[Bug debug/105041] '-fcompare-debug' failure w/ -mcpu=power6 -O2 -fharden-compares -frename-registers

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105041

--- Comment #3 from Peter Bergner <bergner at gcc dot gnu.org> ---
The first real change I see does occur in the rnreg dump file.