[lld] [llvm] [RISCV] Fix alignment when mixing rvc/norvc relax/norelax code (PR #150159)

[Kito Cheng via llvm-commits]

kito-cheng wrote:

I believe https://github.com/llvm/llvm-project/pull/150816 is better solution than mine, and I am happy to see that moving forward, so let me close this PR by myself to prevent confusing people that we are competing :)

https://github.com/llvm/llvm-project/pull/150159