[llvm] [RISCV] Don't truncate MaxAlignment to int when realigning the stack (PR #228225)

[Craig Topper via llvm-commits]

topperc wrote:

> > @MitchBriles @arichardson Split it into two commits: the first adds the test with the current output and a FIXME, the second has the fix and the updated check lines.
> 
> Thanks, but since LLVM enforces squash+merge, the baseline test needs to be in a separate pull request and then you can rebase this one once the other one has been merged.

We haven't generally been requiring that. We've been treating it as sufficient to show the difference during the review.

https://github.com/llvm/llvm-project/pull/228225