Add `as_lang_item` to `LanguageItems`, new trait solver#127145

Merged

bors merged 2 commits intorust-lang:masterfrom compiler-errors:as_lang_item

Jul 3, 2024

+164-91

Commits on Jul 2, 2024

add TyCtxt::as_lang_item, use in new solver
compiler-errors
committed
Make fn traits into first-class TraitSolverLangItems to avoid needing fn_trait_kind_from_def_id
compiler-errors
committed