[llvm] Removed redundant assert and condition in APInt::SetBits (PR #138038)

[Jay Foad via llvm-commits]

https://github.com/jayfoad approved this pull request.

Note that for new code, variables `loBit`,`hiBit`, `mask` should all start with an upper case letter.

https://github.com/llvm/llvm-project/pull/138038