[llvm] [TableGen] Added submulticlass typechecking to template arg values. (PR #112904)

[Jay Foad via llvm-commits]

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jayfoad wrote:

Looks like this needs a tweak when you rebase:
```suggestion
  if (CheckTemplateArgValues(Result.TemplateArgs, ArgLocs,
```

https://github.com/llvm/llvm-project/pull/112904