[Bug rtl-optimization/110423] Redundant constants not getting eliminated on RISCV.

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110423

--- Comment #1 from Vineet Gupta <vineetg at gcc dot gnu.org> ---
Created attachment 55402
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55402&action=edit
test case (but needs reverting upstream 6508d5e5a1a)