[Bug target/83507] [8 Regression] ICE in internal_dfa_insn_code_* for powerpc targets

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83507

--- Comment #8 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Ah yes, I can reproduce it with all those options and -m32.  I could
swear to have tried exactly that yesterday; pilot error I guess.

CA is not just a hard register, but a fixed register, btw.