[llvm] [TailDup] Delay aggressive computed-goto taildup to after RegAlloc. (PR #150911)

[Florian Hahn via llvm-commits]

fhahn wrote:

I think this fix for the regression in Python should be picked for the 21.x release: https://github.com/llvm/llvm-project/pull/151680

https://github.com/llvm/llvm-project/pull/150911