[PATCH] D99893: [WIP] Replace std::forward & std::move by cast expressions during Sema

[John McCall via Phabricator via cfe-commits]

rjmccall added a comment.

I think a pattern-match in IRGen is probably a much more reasonable alternative if the goal is primarily to avoid the code-generation overheads at -O0 / optimization costs at -O<n>.  You'd still have template instantiation overheads; I don't know how significant those really are.


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https://reviews.llvm.org/D99893