[llvm] [RISCV] Move Machine Copy Propagation Pass before Branch relaxation pass (PR #97261)

[via llvm-commits]

Yunzezhu94 wrote:

> Can you add your error case too?

I'm afraid not since I met the problem with llvm at earlier point and the case reports error only when the original relocation distance reaches maximum bound. For somehow newer changes makes the relocation distance differ and the same case not reporting the error.

https://github.com/llvm/llvm-project/pull/97261