[Bug rtl-optimization/63491] Ice in LRA with simple vector test case on power

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63491

--- Comment #4 from Peter Bergner <bergner at gcc dot gnu.org> ---
I'll add that we hit this as part of our work on trying to move POWER over to
using LRA by default.