[Bug target/115464] ICE when building libaom on arm64 (neon sve bridge usage with tbl/perm)

[tnfchris at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115464

--- Comment #6 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
(In reply to Richard Sandiford from comment #5)
> In this kind of situation, we should go through a fresh pseudo rather than
> try to take the subreg directly.

I did try that but fwprop pushed it back in.