[Bug target/117353] [15 regression] RISC-V: ICE when building libcrypt since r15-3228-g771256bcb9ddc4

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117353

--- Comment #8 from Vineet Gupta <vineetg at gcc dot gnu.org> ---
We could potentially use a scratch in splitter.

   (clobber (match_scratch:DI 3 "=&r"))]