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Rebase fallout

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This commit is contained in:
Michael Goulet 2024-06-12 21:17:33 -04:00
parent 2c0348a0d8
commit ae24ebe710
3 changed files with 10 additions and 9 deletions
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9
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View file

@ -4592,7 +4592,7 @@ fn suggest_add_result_as_return_type(
&self,
obligation: &PredicateObligation<'tcx>,
err: &mut Diag<'_>,
trait_ref: ty::PolyTraitRef<'tcx>,
trait_pred: ty::PolyTraitPredicate<'tcx>,
) {
if ObligationCauseCode::QuestionMark != *obligation.cause.code().peel_derives() {
return;
@ -4602,10 +4602,9 @@ fn suggest_add_result_as_return_type(
if let hir::Node::Item(item) = node
&& let hir::ItemKind::Fn(sig, _, body_id) = item.kind
&& let hir::FnRetTy::DefaultReturn(ret_span) = sig.decl.output
&& self.tcx.is_diagnostic_item(sym::FromResidual, trait_ref.def_id())
&& let ty::Tuple(l) = trait_ref.skip_binder().args.type_at(0).kind()
&& l.len() == 0
&& let ty::Adt(def, _) = trait_ref.skip_binder().args.type_at(1).kind()
&& self.tcx.is_diagnostic_item(sym::FromResidual, trait_pred.def_id())
&& trait_pred.skip_binder().trait_ref.args.type_at(0).is_unit()
&& let ty::Adt(def, _) = trait_pred.skip_binder().trait_ref.args.type_at(1).kind()
&& self.tcx.is_diagnostic_item(sym::Result, def.did())
{
let body = self.tcx.hir().body(body_id);

6
compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
View file

@ -612,9 +612,11 @@ fn report_selection_error(
&mut err,
leaf_trait_predicate,
);
self.suggest_add_result_as_return_type(&obligation,
self.suggest_add_result_as_return_type(
&obligation,
&mut err,
trait_ref);
leaf_trait_predicate,
);
if self.suggest_add_reference_to_arg(
&obligation,

4
tests/ui/impl-trait/nested_impl_trait.stderr
View file

@ -46,7 +46,7 @@ error[E0277]: the trait bound `impl Into<u32>: Into<impl Debug>` is not satisfie
--> $DIR/nested_impl_trait.rs:6:46
|
LL | fn bad_in_ret_position(x: impl Into<u32>) -> impl Into<impl Debug> { x }
| ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Into<u32>`, which is required by `impl Into<u32>: Into<impl Debug>`
| ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Debug`, which is required by `impl Into<u32>: Into<impl Debug>`
|
= help: the trait `Into<U>` is implemented for `T`
= note: required for `impl Into<u32>` to implement `Into<impl Debug>`
@ -55,7 +55,7 @@ error[E0277]: the trait bound `impl Into<u32>: Into<impl Debug>` is not satisfie
--> $DIR/nested_impl_trait.rs:19:34
|
LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x }
| ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Into<u32>`, which is required by `impl Into<u32>: Into<impl Debug>`
| ^^^^^^^^^^^^^^^^^^^^^ the trait `From<impl Into<u32>>` is not implemented for `impl Debug`, which is required by `impl Into<u32>: Into<impl Debug>`
|
= help: the trait `Into<U>` is implemented for `T`
= note: required for `impl Into<u32>` to implement `Into<impl Debug>`