[clang] [C++20] [Modules] Don't emit function bodies which is noinline and av… (PR #68501)

[Iain Sandoe via cfe-commits]

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

I think it would be better to have a coherent plan to deal with the underlying issue; starting with separating the AST used for code-gen from that used for interfaces.  Having said that, this LGTM (it will be interesting to see what performance gains are seen in practice).


https://github.com/llvm/llvm-project/pull/68501