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Auto merge of #108118 - oli-obk:lazy_typeck, r=cjgillot

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Run various queries from other queries instead of explicitly in phases

These are just legacy leftovers from when rustc didn't have a query system. While there are more cleanups of this sort that can be done here, I want to land them in smaller steps.

This phased order of query invocations was already a lie, as any query that looks at types (e.g. the wf checks run before) can invoke e.g. const eval which invokes borrowck, which invokes typeck, ...
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bors 2023-04-23 13:34:31 +00:00
commit 3462f79e94
42 changed files with 400 additions and 423 deletions
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7
compiler/rustc_mir_build/src/build/mod.rs
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@ -51,6 +51,13 @@ fn mir_build(tcx: TyCtxt<'_>, def: LocalDefId) -> Body<'_> {
// of `mir_build`, so now we can steal it
let thir = thir.steal();
tcx.ensure().check_match(def);
// this must run before MIR dump, because
// "not all control paths return a value" is reported here.
//
// maybe move the check to a MIR pass?
tcx.ensure().check_liveness(def);
match thir.body_type {
thir::BodyTy::Fn(fn_sig) => construct_fn(tcx, def, &thir, expr, fn_sig),
thir::BodyTy::Const(ty) => construct_const(tcx, def, &thir, expr, ty),