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Auto merge of #117415 - matthiaskrgr:rollup-jr2p1t2, r=matthiaskrgr

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Rollup of 7 pull requests

Successful merges:

 - #116862 (Detect when trait is implemented for type and suggest importing it)
 - #117389 (Some diagnostics improvements of `gen` blocks)
 - #117396 (Don't treat closures/coroutine types as part of the public API)
 - #117398 (Correctly handle nested or-patterns in exhaustiveness)
 - #117403 (Poison check_well_formed if method receivers are invalid to prevent typeck from running on it)
 - #117411 (Improve some diagnostics around `?Trait` bounds)
 - #117414 (Don't normalize to an un-revealed opaque when we hit the recursion limit)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2023-10-30 20:50:14 +00:00
commit 31bc7e2c47
31 changed files with 288 additions and 151 deletions
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11
compiler/rustc_trait_selection/src/traits/query/normalize.rs
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@ -230,17 +230,14 @@ impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx>
Reveal::All => {
let args = data.args.try_fold_with(self)?;
let recursion_limit = self.interner().recursion_limit();
if !recursion_limit.value_within_limit(self.anon_depth) {
// A closure or coroutine may have itself as in its upvars.
// This should be checked handled by the recursion check for opaque
// types, but we may end up here before that check can happen.
// In that case, we delay a bug to mark the trip, and continue without
// revealing the opaque.
self.infcx
let guar = self
.infcx
.err_ctxt()
.build_overflow_error(&ty, self.cause.span, true)
.delay_as_bug();
return ty.try_super_fold_with(self);
return Ok(Ty::new_error(self.interner(), guar));
}
let generic_ty = self.interner().type_of(data.def_id);