[llvm] [RegisterCoalescer] Skip CR_Replace pattern that has early-clobber in segment's edge (PR #71024)

[Piyou Chen via llvm-commits]

BeMg wrote:

This coalescing should be valid but somehow trigger the assertion accidentally. 

The current approach is a workaround to avoid the assertion fail. I will investigate how to correctly handle this pattern in the register coalescing pass.

https://github.com/llvm/llvm-project/pull/71024