[clang] [CIR][CodeGen][NFC] Share the Itanium __vmi_class_type_info flags computation (PR #227256)

[Erich Keane via cfe-commits]

erichkeane wrote:

> > But Maintainers are empowered to make some decisions, and in this case
> 
> That's not my reading of the LLVM policy, nor how I've seen it applied in other areas of LLVM. From the docs that I linked:
> 
> > Maintainers are volunteering to take on the following shared responsibilities within an area of a project:
> > 
> > * ensure that commits receive high-quality review, either by the maintainer or by someone else,
> > * help to confirm and comment on issues,
> > * mediate code review disagreements through collaboration with other maintainers (and other reviewers) to come to a consensus on how best to proceed with disputed changes,
> > * actively engage with relevant RFCs,
> > * aid release managers with backporting and other release-related activities,
> > * be a point of contact for contributors who need help (answering questions on Discord/Discourse or holding office hours).
> 
> In any case, no objections from me. My review backlog is very long these days, so I'll leave this to folks who are more up-to-date with the context. Thanks again for working on this!

This part:
>mediate code review disagreements through collaboration with other maintainers (and other reviewers) to come to a consensus on how best to proceed with disputed changes,

Is what happened.  

https://github.com/llvm/llvm-project/pull/227256