diff options
16 files changed, 56 insertions, 105 deletions
diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 0b8a25eedaf..d7a0565895d 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -9,7 +9,7 @@ use crate::Expectation; use crate::FnCtxt; use rustc_ast::ast::Mutability; use rustc_attr::parse_confusables; -use rustc_data_structures::fx::{FxIndexMap, FxIndexSet}; +use rustc_data_structures::fx::{FxHashMap, FxIndexMap, FxIndexSet}; use rustc_data_structures::unord::UnordSet; use rustc_errors::StashKey; use rustc_errors::{ @@ -547,7 +547,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } - let mut bound_spans = vec![]; + let mut bound_spans: FxHashMap<Span, Vec<String>> = Default::default(); let mut restrict_type_params = false; let mut unsatisfied_bounds = false; if item_name.name == sym::count && self.is_slice_ty(rcvr_ty, span) { @@ -642,19 +642,21 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { false }; let mut bound_span_label = |self_ty: Ty<'_>, obligation: &str, quiet: &str| { - let msg = format!( - "doesn't satisfy `{}`", - if obligation.len() > 50 { quiet } else { obligation } - ); + let msg = format!("`{}`", if obligation.len() > 50 { quiet } else { obligation }); match &self_ty.kind() { // Point at the type that couldn't satisfy the bound. - ty::Adt(def, _) => bound_spans.push((self.tcx.def_span(def.did()), msg)), + ty::Adt(def, _) => { + bound_spans.entry(tcx.def_span(def.did())).or_default().push(msg) + } // Point at the trait object that couldn't satisfy the bound. ty::Dynamic(preds, _, _) => { for pred in preds.iter() { match pred.skip_binder() { ty::ExistentialPredicate::Trait(tr) => { - bound_spans.push((self.tcx.def_span(tr.def_id), msg.clone())) + bound_spans + .entry(tcx.def_span(tr.def_id)) + .or_default() + .push(msg.clone()); } ty::ExistentialPredicate::Projection(_) | ty::ExistentialPredicate::AutoTrait(_) => {} @@ -662,8 +664,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } // Point at the closure that couldn't satisfy the bound. - ty::Closure(def_id, _) => bound_spans - .push((tcx.def_span(*def_id), format!("doesn't satisfy `{quiet}`"))), + ty::Closure(def_id, _) => { + bound_spans + .entry(tcx.def_span(*def_id)) + .or_default() + .push(format!("`{quiet}`")); + } _ => {} } }; @@ -1170,9 +1176,25 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.suggest_unwrapping_inner_self(&mut err, source, rcvr_ty, item_name); - bound_spans.sort(); - bound_spans.dedup(); - for (span, msg) in bound_spans.into_iter() { + #[allow(rustc::potential_query_instability)] // We immediately sort the resulting Vec. + let mut bound_spans: Vec<(Span, Vec<String>)> = bound_spans + .into_iter() + .map(|(span, mut bounds)| { + bounds.sort(); + bounds.dedup(); + (span, bounds) + }) + .collect(); + bound_spans.sort_by_key(|(span, _)| *span); + for (span, bounds) in bound_spans { + if !tcx.sess.source_map().is_span_accessible(span) { + continue; + } + let msg = match &bounds[..] { + [bound] => format!("doesn't satisfy {bound}"), + [bounds @ .., last] => format!("doesn't satisfy {} or {last}", bounds.join(", ")), + [] => unreachable!(), + }; err.span_label(span, msg); } diff --git a/tests/ui/box/unit/unique-object-noncopyable.stderr b/tests/ui/box/unit/unique-object-noncopyable.stderr index 1b98d09ccdd..49547872d1a 100644 --- a/tests/ui/box/unit/unique-object-noncopyable.stderr +++ b/tests/ui/box/unit/unique-object-noncopyable.stderr @@ -1,18 +1,11 @@ error[E0599]: the method `clone` exists for struct `Box<dyn Foo>`, but its trait bounds were not satisfied --> $DIR/unique-object-noncopyable.rs:24:16 | -LL | trait Foo { - | --------- - | | - | doesn't satisfy `dyn Foo: Clone` - | doesn't satisfy `dyn Foo: Sized` +LL | trait Foo { + | --------- doesn't satisfy `dyn Foo: Clone` or `dyn Foo: Sized` ... -LL | let _z = y.clone(); - | ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds - --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL - | - = note: doesn't satisfy `Box<dyn Foo>: Clone` +LL | let _z = y.clone(); + | ^^^^^ method cannot be called on `Box<dyn Foo>` due to unsatisfied trait bounds | = note: the following trait bounds were not satisfied: `dyn Foo: Sized` diff --git a/tests/ui/box/unit/unique-pinned-nocopy.stderr b/tests/ui/box/unit/unique-pinned-nocopy.stderr index d662a2d6d05..d2bf72249c4 100644 --- a/tests/ui/box/unit/unique-pinned-nocopy.stderr +++ b/tests/ui/box/unit/unique-pinned-nocopy.stderr @@ -1,15 +1,11 @@ error[E0599]: the method `clone` exists for struct `Box<R>`, but its trait bounds were not satisfied --> $DIR/unique-pinned-nocopy.rs:12:16 | -LL | struct R { - | -------- doesn't satisfy `R: Clone` +LL | struct R { + | -------- doesn't satisfy `R: Clone` ... -LL | let _j = i.clone(); - | ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds - --> $SRC_DIR/alloc/src/boxed.rs:LL:COL - ::: $SRC_DIR/alloc/src/boxed.rs:LL:COL - | - = note: doesn't satisfy `Box<R>: Clone` +LL | let _j = i.clone(); + | ^^^^^ method cannot be called on `Box<R>` due to unsatisfied trait bounds | = note: the following trait bounds were not satisfied: `R: Clone` diff --git a/tests/ui/derives/deriving-with-repr-packed-2.stderr b/tests/ui/derives/deriving-with-repr-packed-2.stderr index 0eaca7e2360..172dd80fe1d 100644 --- a/tests/ui/derives/deriving-with-repr-packed-2.stderr +++ b/tests/ui/derives/deriving-with-repr-packed-2.stderr @@ -8,10 +8,7 @@ LL | pub struct Foo<T>(T, T, T); | doesn't satisfy `Foo<NonCopy>: Clone` LL | LL | struct NonCopy; - | -------------- - | | - | doesn't satisfy `NonCopy: Clone` - | doesn't satisfy `NonCopy: Copy` + | -------------- doesn't satisfy `NonCopy: Clone` or `NonCopy: Copy` ... LL | _ = x.clone(); | ^^^^^ method cannot be called on `Foo<NonCopy>` due to unsatisfied trait bounds diff --git a/tests/ui/derives/issue-91550.stderr b/tests/ui/derives/issue-91550.stderr index 1324b80b5fc..9e171896718 100644 --- a/tests/ui/derives/issue-91550.stderr +++ b/tests/ui/derives/issue-91550.stderr @@ -2,11 +2,7 @@ error[E0599]: the method `insert` exists for struct `HashSet<Value>`, but its tr --> $DIR/issue-91550.rs:8:8 | LL | struct Value(u32); - | ------------ - | | - | doesn't satisfy `Value: Eq` - | doesn't satisfy `Value: Hash` - | doesn't satisfy `Value: PartialEq` + | ------------ doesn't satisfy `Value: Eq`, `Value: Hash` or `Value: PartialEq` ... LL | hs.insert(Value(0)); | ^^^^^^ @@ -26,10 +22,7 @@ error[E0599]: the method `use_eq` exists for struct `Object<NoDerives>`, but its --> $DIR/issue-91550.rs:26:9 | LL | pub struct NoDerives; - | -------------------- - | | - | doesn't satisfy `NoDerives: Eq` - | doesn't satisfy `NoDerives: PartialEq` + | -------------------- doesn't satisfy `NoDerives: Eq` or `NoDerives: PartialEq` LL | LL | struct Object<T>(T); | ---------------- method `use_eq` not found for this struct @@ -57,12 +50,7 @@ error[E0599]: the method `use_ord` exists for struct `Object<NoDerives>`, but it --> $DIR/issue-91550.rs:27:9 | LL | pub struct NoDerives; - | -------------------- - | | - | doesn't satisfy `NoDerives: Eq` - | doesn't satisfy `NoDerives: Ord` - | doesn't satisfy `NoDerives: PartialEq` - | doesn't satisfy `NoDerives: PartialOrd` + | -------------------- doesn't satisfy `NoDerives: Eq`, `NoDerives: Ord`, `NoDerives: PartialEq` or `NoDerives: PartialOrd` LL | LL | struct Object<T>(T); | ---------------- method `use_ord` not found for this struct @@ -94,12 +82,7 @@ error[E0599]: the method `use_ord_and_partial_ord` exists for struct `Object<NoD --> $DIR/issue-91550.rs:28:9 | LL | pub struct NoDerives; - | -------------------- - | | - | doesn't satisfy `NoDerives: Eq` - | doesn't satisfy `NoDerives: Ord` - | doesn't satisfy `NoDerives: PartialEq` - | doesn't satisfy `NoDerives: PartialOrd` + | -------------------- doesn't satisfy `NoDerives: Eq`, `NoDerives: Ord`, `NoDerives: PartialEq` or `NoDerives: PartialOrd` LL | LL | struct Object<T>(T); | ---------------- method `use_ord_and_partial_ord` not found for this struct diff --git a/tests/ui/generic-associated-types/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.stderr b/tests/ui/generic-associated-types/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.stderr index 3a973d356dc..2ce10ce9c1c 100644 --- a/tests/ui/generic-associated-types/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.stderr +++ b/tests/ui/generic-associated-types/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.stderr @@ -26,9 +26,6 @@ LL | enum Node<T, P: PointerFamily> { ... LL | let mut list = RcNode::<i32>::new(); | ^^^ doesn't have a size known at compile-time - --> $SRC_DIR/core/src/ops/deref.rs:LL:COL - | - = note: doesn't satisfy `_: Sized` | note: trait bound `Node<i32, RcFamily>: Sized` was not satisfied --> $DIR/issue-119942-unsatisified-gat-bound-during-assoc-ty-selection.rs:4:18 diff --git a/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs index 83655341d6a..1f9e4f24b16 100644 --- a/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs +++ b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs @@ -17,8 +17,7 @@ impl<T: X<Y<i32> = i32>> M for T {} struct S; //~^ NOTE method `f` not found for this -//~| NOTE doesn't satisfy `<S as X>::Y<i32> = i32` -//~| NOTE doesn't satisfy `S: M` +//~| NOTE doesn't satisfy `<S as X>::Y<i32> = i32` or `S: M` impl X for S { type Y<T> = bool; diff --git a/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr index 7ca0b2912a6..489b2772ad8 100644 --- a/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr +++ b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr @@ -1,12 +1,11 @@ error[E0599]: the method `f` exists for struct `S`, but its trait bounds were not satisfied - --> $DIR/method-unsatisfied-assoc-type-predicate.rs:28:7 + --> $DIR/method-unsatisfied-assoc-type-predicate.rs:27:7 | LL | struct S; | -------- | | | method `f` not found for this struct - | doesn't satisfy `<S as X>::Y<i32> = i32` - | doesn't satisfy `S: M` + | doesn't satisfy `<S as X>::Y<i32> = i32` or `S: M` ... LL | a.f(); | ^ method cannot be called on `S` due to unsatisfied trait bounds diff --git a/tests/ui/iterators/vec-on-unimplemented.stderr b/tests/ui/iterators/vec-on-unimplemented.stderr index e2a80dbffde..29b19d5e3b4 100644 --- a/tests/ui/iterators/vec-on-unimplemented.stderr +++ b/tests/ui/iterators/vec-on-unimplemented.stderr @@ -3,9 +3,6 @@ error[E0599]: `Vec<bool>` is not an iterator | LL | vec![true, false].map(|v| !v).collect::<Vec<_>>(); | ^^^ `Vec<bool>` is not an iterator; try calling `.into_iter()` or `.iter()` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | - = note: doesn't satisfy `Vec<bool>: Iterator` | = note: the following trait bounds were not satisfied: `Vec<bool>: Iterator` diff --git a/tests/ui/mismatched_types/issue-36053-2.stderr b/tests/ui/mismatched_types/issue-36053-2.stderr index 292525daa3d..6d23319ca7e 100644 --- a/tests/ui/mismatched_types/issue-36053-2.stderr +++ b/tests/ui/mismatched_types/issue-36053-2.stderr @@ -21,11 +21,7 @@ error[E0599]: the method `count` exists for struct `Filter<Fuse<Once<&str>>, {cl LL | once::<&str>("str").fuse().filter(|a: &str| true).count(); | --------- ^^^^^ method cannot be called due to unsatisfied trait bounds | | - | doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool` - | doesn't satisfy `_: FnMut<(&&str,)>` - --> $SRC_DIR/core/src/iter/adapters/filter.rs:LL:COL - | - = note: doesn't satisfy `_: Iterator` + | doesn't satisfy `<_ as FnOnce<(&&str,)>>::Output = bool` or `_: FnMut<(&&str,)>` | = note: the following trait bounds were not satisfied: `<{closure@$DIR/issue-36053-2.rs:7:39: 7:48} as FnOnce<(&&str,)>>::Output = bool` diff --git a/tests/ui/suggestions/derive-trait-for-method-call.stderr b/tests/ui/suggestions/derive-trait-for-method-call.stderr index e2db0da74f0..9d6d29ec74e 100644 --- a/tests/ui/suggestions/derive-trait-for-method-call.stderr +++ b/tests/ui/suggestions/derive-trait-for-method-call.stderr @@ -2,10 +2,7 @@ error[E0599]: the method `test` exists for struct `Foo<Enum, CloneEnum>`, but it --> $DIR/derive-trait-for-method-call.rs:28:15 | LL | enum Enum { - | --------- - | | - | doesn't satisfy `Enum: Clone` - | doesn't satisfy `Enum: Default` + | --------- doesn't satisfy `Enum: Clone` or `Enum: Default` ... LL | enum CloneEnum { | -------------- doesn't satisfy `CloneEnum: Default` @@ -40,10 +37,7 @@ error[E0599]: the method `test` exists for struct `Foo<Struct, CloneStruct>`, bu --> $DIR/derive-trait-for-method-call.rs:34:15 | LL | struct Struct { - | ------------- - | | - | doesn't satisfy `Struct: Clone` - | doesn't satisfy `Struct: Default` + | ------------- doesn't satisfy `Struct: Clone` or `Struct: Default` ... LL | struct CloneStruct { | ------------------ doesn't satisfy `CloneStruct: Default` @@ -85,12 +79,6 @@ LL | struct Foo<X, Y> (X, Y); ... LL | let y = x.test(); | ^^^^ method cannot be called on `Foo<Vec<Enum>, Instant>` due to unsatisfied trait bounds - --> $SRC_DIR/std/src/time.rs:LL:COL - | - = note: doesn't satisfy `Instant: Default` - --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL - | - = note: doesn't satisfy `Vec<Enum>: Clone` | note: the following trait bounds were not satisfied: `Instant: Default` diff --git a/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr b/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr index 94710f4503f..09a9b1d3b34 100644 --- a/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr +++ b/tests/ui/suggestions/mut-borrow-needed-by-trait.stderr @@ -25,9 +25,6 @@ error[E0599]: the method `write_fmt` exists for struct `BufWriter<&dyn Write>`, | LL | writeln!(fp, "hello world").unwrap(); | ---------^^---------------- method cannot be called on `BufWriter<&dyn Write>` due to unsatisfied trait bounds - --> $SRC_DIR/std/src/io/buffered/bufwriter.rs:LL:COL - | - = note: doesn't satisfy `BufWriter<&dyn std::io::Write>: std::io::Write` | note: must implement `io::Write`, `fmt::Write`, or have a `write_fmt` method --> $DIR/mut-borrow-needed-by-trait.rs:21:14 diff --git a/tests/ui/suggestions/suggest-change-mut.stderr b/tests/ui/suggestions/suggest-change-mut.stderr index d194afeaf93..216d1e810fd 100644 --- a/tests/ui/suggestions/suggest-change-mut.stderr +++ b/tests/ui/suggestions/suggest-change-mut.stderr @@ -27,9 +27,6 @@ error[E0599]: the method `read_until` exists for struct `BufReader<&T>`, but its | LL | stream_reader.read_until(b'\n', &mut buffer).expect("Reading into buffer failed"); | ^^^^^^^^^^ method cannot be called on `BufReader<&T>` due to unsatisfied trait bounds - --> $SRC_DIR/std/src/io/buffered/bufreader.rs:LL:COL - | - = note: doesn't satisfy `BufReader<&T>: BufRead` | = note: the following trait bounds were not satisfied: `&T: std::io::Read` diff --git a/tests/ui/traits/track-obligations.stderr b/tests/ui/traits/track-obligations.stderr index 89477475970..822fc91e43f 100644 --- a/tests/ui/traits/track-obligations.stderr +++ b/tests/ui/traits/track-obligations.stderr @@ -2,10 +2,7 @@ error[E0599]: the method `check` exists for struct `Client<()>`, but its trait b --> $DIR/track-obligations.rs:83:16 | LL | struct ALayer<C>(C); - | ---------------- - | | - | doesn't satisfy `<_ as Layer<()>>::Service = <ALayer<()> as ParticularServiceLayer<()>>::Service` - | doesn't satisfy `ALayer<()>: ParticularServiceLayer<()>` + | ---------------- doesn't satisfy `<_ as Layer<()>>::Service = <ALayer<()> as ParticularServiceLayer<()>>::Service` or `ALayer<()>: ParticularServiceLayer<()>` ... LL | struct Client<C>(C); | ---------------- method `check` not found for this struct diff --git a/tests/ui/typeck/derive-sugg-arg-arity.stderr b/tests/ui/typeck/derive-sugg-arg-arity.stderr index 41b16a772ca..46421ba942c 100644 --- a/tests/ui/typeck/derive-sugg-arg-arity.stderr +++ b/tests/ui/typeck/derive-sugg-arg-arity.stderr @@ -5,8 +5,7 @@ LL | pub struct A; | ------------ | | | function or associated item `partial_cmp` not found for this struct - | doesn't satisfy `A: Iterator` - | doesn't satisfy `A: PartialOrd<_>` + | doesn't satisfy `A: Iterator` or `A: PartialOrd<_>` ... LL | _ => match A::partial_cmp() {}, | ^^^^^^^^^^^ function or associated item cannot be called on `A` due to unsatisfied trait bounds diff --git a/tests/ui/typeck/issue-31173.stderr b/tests/ui/typeck/issue-31173.stderr index d65c4306a5f..0983147a5f0 100644 --- a/tests/ui/typeck/issue-31173.stderr +++ b/tests/ui/typeck/issue-31173.stderr @@ -35,12 +35,6 @@ LL | | .collect(); | | -^^^^^^^ method cannot be called due to unsatisfied trait bounds | |_________| | - --> $SRC_DIR/core/src/iter/adapters/take_while.rs:LL:COL - | - = note: doesn't satisfy `<_ as Iterator>::Item = &_` - --> $SRC_DIR/core/src/iter/adapters/cloned.rs:LL:COL - | - = note: doesn't satisfy `_: Iterator` | = note: the following trait bounds were not satisfied: `<TakeWhile<&mut std::vec::IntoIter<u8>, {closure@$DIR/issue-31173.rs:7:21: 7:25}> as Iterator>::Item = &_` |