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-rw-r--r--compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs7
-rw-r--r--compiler/rustc_const_eval/src/check_consts/ops.rs2
-rw-r--r--compiler/rustc_middle/src/ty/diagnostics.rs25
-rw-r--r--tests/ui/associated-types/issue-59324.stderr8
-rw-r--r--tests/ui/async-await/issue-86507.stderr2
-rw-r--r--tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr2
-rw-r--r--tests/ui/binop/binop-consume-args.stderr20
-rw-r--r--tests/ui/binop/binop-move-semantics.stderr4
-rw-r--r--tests/ui/binop/issue-93927.stderr2
-rw-r--r--tests/ui/borrowck/clone-on-ref.stderr4
-rw-r--r--tests/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr4
-rw-r--r--tests/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr2
-rw-r--r--tests/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr2
-rw-r--r--tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr4
-rw-r--r--tests/ui/closures/closure-bounds-subtype.stderr2
-rw-r--r--tests/ui/consts/fn_trait_refs.stderr12
-rw-r--r--tests/ui/consts/unstable-const-fn-in-libcore.stderr4
-rw-r--r--tests/ui/higher-ranked/trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr2
-rw-r--r--tests/ui/impl-trait/in-trait/false-positive-predicate-entailment-error.current.stderr10
-rw-r--r--tests/ui/impl-trait/issue-55872-1.stderr4
-rw-r--r--tests/ui/impl-trait/normalize-tait-in-const.stderr4
-rw-r--r--tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr10
-rw-r--r--tests/ui/methods/filter-relevant-fn-bounds.stderr8
-rw-r--r--tests/ui/mir/validate/validate-unsize-cast.stderr2
-rw-r--r--tests/ui/moves/issue-34721.stderr2
-rw-r--r--tests/ui/moves/use_of_moved_value_copy_suggestions.fixed6
-rw-r--r--tests/ui/moves/use_of_moved_value_copy_suggestions.rs6
-rw-r--r--tests/ui/moves/use_of_moved_value_copy_suggestions.stderr6
-rw-r--r--tests/ui/specialization/default-generic-associated-type-bound.stderr2
-rw-r--r--tests/ui/specialization/min_specialization/issue-79224.stderr8
-rw-r--r--tests/ui/suggestions/assoc-const-as-fn.stderr2
-rw-r--r--tests/ui/suggestions/bound-suggestions.stderr8
-rw-r--r--tests/ui/suggestions/clone-bounds-121524.rs2
-rw-r--r--tests/ui/suggestions/clone-bounds-121524.stderr2
-rw-r--r--tests/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr2
-rw-r--r--tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr8
-rw-r--r--tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr8
-rw-r--r--tests/ui/suggestions/restrict-type-argument.stderr10
-rw-r--r--tests/ui/traits/bad-method-typaram-kind.stderr2
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-chain.stderr4
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr8
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-fail.stderr4
-rw-r--r--tests/ui/traits/const-traits/call-generic-method-pass.stderr4
-rw-r--r--tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr4
-rw-r--r--tests/ui/traits/const-traits/const-closure-trait-method.stderr4
-rw-r--r--tests/ui/traits/const-traits/const-closures.stderr12
-rw-r--r--tests/ui/traits/const-traits/trait-where-clause.stderr4
-rw-r--r--tests/ui/traits/inductive-overflow/two-traits.stderr2
-rw-r--r--tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr4
-rw-r--r--tests/ui/traits/next-solver/issue-118950-root-region.stderr2
-rw-r--r--tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr2
-rw-r--r--tests/ui/union/issue-81199.stderr2
-rw-r--r--tests/ui/unop/unop-move-semantics.stderr2
53 files changed, 106 insertions, 172 deletions
diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
index c11103af476..b42c99e1a6d 100644
--- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
+++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
@@ -1450,6 +1450,7 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                         ty::Param(param_ty) => Ok((
                             generics.type_param(param_ty, tcx),
                             predicate.trait_ref.print_trait_sugared().to_string(),
+                            Some(predicate.trait_ref.def_id),
                         )),
                         _ => Err(()),
                     }
@@ -1463,9 +1464,9 @@ impl<'infcx, 'tcx> MirBorrowckCtxt<'_, 'infcx, 'tcx> {
                 tcx,
                 hir_generics,
                 err,
-                predicates
-                    .iter()
-                    .map(|(param, constraint)| (param.name.as_str(), &**constraint, None)),
+                predicates.iter().map(|(param, constraint, def_id)| {
+                    (param.name.as_str(), &**constraint, *def_id)
+                }),
                 None,
             );
         }
diff --git a/compiler/rustc_const_eval/src/check_consts/ops.rs b/compiler/rustc_const_eval/src/check_consts/ops.rs
index 489bb54a6f9..23f2aa4d029 100644
--- a/compiler/rustc_const_eval/src/check_consts/ops.rs
+++ b/compiler/rustc_const_eval/src/check_consts/ops.rs
@@ -140,7 +140,7 @@ impl<'tcx> NonConstOp<'tcx> for FnCallNonConst<'tcx> {
                             err,
                             param_ty.name.as_str(),
                             &constraint,
-                            None,
+                            Some(trait_ref.def_id),
                             None,
                         );
                     }
diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs
index 5baf47436fc..a7548184760 100644
--- a/compiler/rustc_middle/src/ty/diagnostics.rs
+++ b/compiler/rustc_middle/src/ty/diagnostics.rs
@@ -162,7 +162,7 @@ pub fn suggest_arbitrary_trait_bound<'tcx>(
     true
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone, Copy)]
 enum SuggestChangingConstraintsMessage<'a> {
     RestrictBoundFurther,
     RestrictType { ty: &'a str },
@@ -319,6 +319,11 @@ pub fn suggest_constraining_type_params<'a>(
                 suggest_changing_unsized_bound(generics, &mut suggestions, param, def_id);
             }
         }
+        let bound_message = if constraints.iter().any(|(_, def_id, _)| def_id.is_none()) {
+            SuggestChangingConstraintsMessage::RestrictBoundFurther
+        } else {
+            SuggestChangingConstraintsMessage::RestrictTypeFurther { ty: param_name }
+        };
 
         // in the scenario like impl has stricter requirements than trait,
         // we should not suggest restrict bound on the impl, here we double check
@@ -389,23 +394,11 @@ pub fn suggest_constraining_type_params<'a>(
                 format!(" {constraint}")
             };
 
-            use SuggestChangingConstraintsMessage::RestrictBoundFurther;
-
             if let Some(open_paren_sp) = open_paren_sp {
-                suggestions.push((
-                    open_paren_sp,
-                    post.clone(),
-                    "(".to_string(),
-                    RestrictBoundFurther,
-                ));
-                suggestions.push((
-                    span,
-                    post.clone(),
-                    format!("){suggestion}"),
-                    RestrictBoundFurther,
-                ));
+                suggestions.push((open_paren_sp, post.clone(), "(".to_string(), bound_message));
+                suggestions.push((span, post.clone(), format!("){suggestion}"), bound_message));
             } else {
-                suggestions.push((span, post.clone(), suggestion, RestrictBoundFurther));
+                suggestions.push((span, post.clone(), suggestion, bound_message));
             }
         };
 
diff --git a/tests/ui/associated-types/issue-59324.stderr b/tests/ui/associated-types/issue-59324.stderr
index e8693135913..ec2890cc8e7 100644
--- a/tests/ui/associated-types/issue-59324.stderr
+++ b/tests/ui/associated-types/issue-59324.stderr
@@ -7,7 +7,7 @@ LL | |
 LL | |     Service<AssocType = <Bug as Foo>::OnlyFoo>
    | |______________________________________________^ the trait `Foo` is not implemented for `Bug`
    |
-help: consider further restricting this bound with trait `Foo`
+help: consider further restricting type parameter `Bug` with trait `Foo`
    |
 LL | pub trait ThriftService<Bug: NotFoo + Foo>:
    |                                     +++++
@@ -24,7 +24,7 @@ LL | |
 LL | | }
    | |_^ the trait `Foo` is not implemented for `Bug`
    |
-help: consider further restricting this bound with trait `Foo`
+help: consider further restricting type parameter `Bug` with trait `Foo`
    |
 LL | pub trait ThriftService<Bug: NotFoo + Foo>:
    |                                     +++++
@@ -38,7 +38,7 @@ LL | |         &self,
 LL | |     ) -> Self::AssocType;
    | |_________________________^ the trait `Foo` is not implemented for `Bug`
    |
-help: consider further restricting this bound with trait `Foo`
+help: consider further restricting type parameter `Bug` with trait `Foo`
    |
 LL | pub trait ThriftService<Bug: NotFoo + Foo>:
    |                                     +++++
@@ -61,7 +61,7 @@ error[E0277]: the trait bound `Bug: Foo` is not satisfied
 LL |     ) -> Self::AssocType;
    |          ^^^^^^^^^^^^^^^ the trait `Foo` is not implemented for `Bug`
    |
-help: consider further restricting this bound with trait `Foo`
+help: consider further restricting type parameter `Bug` with trait `Foo`
    |
 LL | pub trait ThriftService<Bug: NotFoo + Foo>:
    |                                     +++++
diff --git a/tests/ui/async-await/issue-86507.stderr b/tests/ui/async-await/issue-86507.stderr
index 781ff8fddd1..6385a8c975e 100644
--- a/tests/ui/async-await/issue-86507.stderr
+++ b/tests/ui/async-await/issue-86507.stderr
@@ -14,7 +14,7 @@ note: captured value is not `Send` because `&` references cannot be sent unless
 LL |                     let x = x;
    |                             ^ has type `&T` which is not `Send`, because `T` is not `Sync`
    = note: required for the cast from `Pin<Box<{async block@$DIR/issue-86507.rs:18:17: 18:27}>>` to `Pin<Box<(dyn Future<Output = ()> + Send + 'async_trait)>>`
-help: consider further restricting this bound with trait `Sync`
+help: consider further restricting type parameter `T` with trait `Sync`
    |
 LL |     fn bar<'me, 'async_trait, T: Send + std::marker::Sync>(x: &'me T)
    |                                       +++++++++++++++++++
diff --git a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr
index 1c73bd26267..27e38ce06a4 100644
--- a/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr
+++ b/tests/ui/auto-traits/typeck-auto-trait-no-supertraits-2.stderr
@@ -30,7 +30,7 @@ LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) }
    |         ^                            - you could clone this value
    |         |
    |         consider constraining this type parameter with `Clone`
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL | fn copy<T: Magic + Copy>(x: T) -> (T, T) { (x, x) }
    |                  ++++++
diff --git a/tests/ui/binop/binop-consume-args.stderr b/tests/ui/binop/binop-consume-args.stderr
index 7b078954783..d9d92a44766 100644
--- a/tests/ui/binop/binop-consume-args.stderr
+++ b/tests/ui/binop/binop-consume-args.stderr
@@ -17,7 +17,7 @@ LL |     lhs + rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn add<A: Add<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -64,7 +64,7 @@ LL |     lhs - rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn sub<A: Sub<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -111,7 +111,7 @@ LL |     lhs * rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn mul<A: Mul<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -158,7 +158,7 @@ LL |     lhs / rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn div<A: Div<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -205,7 +205,7 @@ LL |     lhs % rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn rem<A: Rem<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -252,7 +252,7 @@ LL |     lhs & rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn bitand<A: BitAnd<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                                   ++++++
@@ -299,7 +299,7 @@ LL |     lhs | rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn bitor<A: BitOr<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                                 ++++++
@@ -346,7 +346,7 @@ LL |     lhs ^ rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn bitxor<A: BitXor<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                                   ++++++
@@ -393,7 +393,7 @@ LL |     lhs << rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn shl<A: Shl<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
@@ -440,7 +440,7 @@ LL |     lhs >> rhs;
    |     --- you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/bit.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `A` with trait `Copy`
    |
 LL | fn shr<A: Shr<B, Output=()> + Copy, B>(lhs: A, rhs: B) {
    |                             ++++++
diff --git a/tests/ui/binop/binop-move-semantics.stderr b/tests/ui/binop/binop-move-semantics.stderr
index e83cc652fff..2e661c44abd 100644
--- a/tests/ui/binop/binop-move-semantics.stderr
+++ b/tests/ui/binop/binop-move-semantics.stderr
@@ -20,7 +20,7 @@ LL |     x
    |     - you could clone this value
 note: calling this operator moves the left-hand side
   --> $SRC_DIR/core/src/ops/arith.rs:LL:COL
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL | fn double_move<T: Add<Output=()> + Copy>(x: T) {
    |                                  ++++++
@@ -40,7 +40,7 @@ help: consider cloning the value if the performance cost is acceptable
    |
 LL |     x.clone()
    |      ++++++++
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL | fn move_then_borrow<T: Add<Output=()> + Clone + Copy>(x: T) {
    |                                               ++++++
diff --git a/tests/ui/binop/issue-93927.stderr b/tests/ui/binop/issue-93927.stderr
index d244311d721..ff5ecf66be6 100644
--- a/tests/ui/binop/issue-93927.stderr
+++ b/tests/ui/binop/issue-93927.stderr
@@ -6,7 +6,7 @@ LL |     val == val
    |     |
    |     MyType<T>
    |
-help: consider further restricting this bound with trait `Eq`
+help: consider further restricting type parameter `T` with trait `Eq`
    |
 LL | fn cond<T: PartialEq + std::cmp::Eq>(val: MyType<T>) -> bool {
    |                      ++++++++++++++
diff --git a/tests/ui/borrowck/clone-on-ref.stderr b/tests/ui/borrowck/clone-on-ref.stderr
index 361724220a3..911c136086c 100644
--- a/tests/ui/borrowck/clone-on-ref.stderr
+++ b/tests/ui/borrowck/clone-on-ref.stderr
@@ -12,7 +12,7 @@ LL |
 LL |     drop(cloned_items);
    |          ------------ immutable borrow later used here
    |
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `T` with trait `Clone`
    |
 LL | fn foo<T: Default + Clone>(list: &mut Vec<T>) {
    |                   +++++++
@@ -39,7 +39,7 @@ LL | fn bar<T: std::fmt::Display>(x: T) {
    |        ^ consider constraining this type parameter with `Clone`
 LL |     let a = &x;
    |              - you could clone this value
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `T` with trait `Clone`
    |
 LL | fn bar<T: std::fmt::Display + Clone>(x: T) {
    |                             +++++++
diff --git a/tests/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr b/tests/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
index 3fdca557a2b..9915b772afa 100644
--- a/tests/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
+++ b/tests/ui/builtin-superkinds/builtin-superkinds-double-superkind.stderr
@@ -10,7 +10,7 @@ note: required by a bound in `Foo`
    |
 LL | trait Foo : Send+Sync { }
    |             ^^^^ required by this bound in `Foo`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `T` with trait `Send`
    |
 LL | impl <T: Sync+'static + std::marker::Send> Foo for (T,) { }
    |                       +++++++++++++++++++
@@ -27,7 +27,7 @@ note: required by a bound in `Foo`
    |
 LL | trait Foo : Send+Sync { }
    |                  ^^^^ required by this bound in `Foo`
-help: consider further restricting this bound with trait `Sync`
+help: consider further restricting type parameter `T` with trait `Sync`
    |
 LL | impl <T: Send + std::marker::Sync> Foo for (T,T) { }
    |               +++++++++++++++++++
diff --git a/tests/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr b/tests/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
index 2c1db3cd3a3..39a04186981 100644
--- a/tests/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
+++ b/tests/ui/builtin-superkinds/builtin-superkinds-in-metadata.stderr
@@ -14,7 +14,7 @@ note: required by a bound in `RequiresRequiresShareAndSend`
    |
 LL | pub trait RequiresRequiresShareAndSend : RequiresShare + Send { }
    |                                                          ^^^^ required by this bound in `RequiresRequiresShareAndSend`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `T` with trait `Send`
    |
 LL | impl <T:Sync+'static + std::marker::Send> RequiresRequiresShareAndSend for X<T> { }
    |                      +++++++++++++++++++
diff --git a/tests/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr b/tests/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
index c66e0fbc333..dd273b875ae 100644
--- a/tests/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
+++ b/tests/ui/builtin-superkinds/builtin-superkinds-typaram-not-send.stderr
@@ -9,7 +9,7 @@ note: required by a bound in `Foo`
    |
 LL | trait Foo : Send { }
    |             ^^^^ required by this bound in `Foo`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `T` with trait `Send`
    |
 LL | impl <T: Sync+'static + std::marker::Send> Foo for T { }
    |                       +++++++++++++++++++
diff --git a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
index 3227b7aea83..9ceee477856 100644
--- a/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
+++ b/tests/ui/closures/closure-bounds-cant-promote-superkind-in-struct.stderr
@@ -9,7 +9,7 @@ note: required by a bound in `X`
    |
 LL | struct X<F> where F: FnOnce() + 'static + Send {
    |                                           ^^^^ required by this bound in `X`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `F` with trait `Send`
    |
 LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static + std::marker::Send {
    |                                                       +++++++++++++++++++
@@ -25,7 +25,7 @@ note: required by a bound in `X`
    |
 LL | struct X<F> where F: FnOnce() + 'static + Send {
    |                                           ^^^^ required by this bound in `X`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `F` with trait `Send`
    |
 LL | fn foo<F>(blk: F) -> X<F> where F: FnOnce() + 'static + std::marker::Send {
    |                                                       +++++++++++++++++++
diff --git a/tests/ui/closures/closure-bounds-subtype.stderr b/tests/ui/closures/closure-bounds-subtype.stderr
index 71a92fe3d0b..34c5e0299a7 100644
--- a/tests/ui/closures/closure-bounds-subtype.stderr
+++ b/tests/ui/closures/closure-bounds-subtype.stderr
@@ -15,7 +15,7 @@ help: use parentheses to call this type parameter
    |
 LL |     take_const_owned(f());
    |                       ++
-help: consider further restricting this bound with trait `Sync`
+help: consider further restricting type parameter `F` with trait `Sync`
    |
 LL | fn give_owned<F>(f: F) where F: FnOnce() + Send + std::marker::Sync {
    |                                                 +++++++++++++++++++
diff --git a/tests/ui/consts/fn_trait_refs.stderr b/tests/ui/consts/fn_trait_refs.stderr
index 5ccfb3911fd..bb7ff76b125 100644
--- a/tests/ui/consts/fn_trait_refs.stderr
+++ b/tests/ui/consts/fn_trait_refs.stderr
@@ -212,10 +212,6 @@ LL |     f()
    |     ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const Fn()`
-   |
-LL |     T: ~const Fn<()> + ~const Destruct + ~const Fn(),
-   |                                        +++++++++++++
 
 error[E0015]: cannot call non-const closure in constant functions
   --> $DIR/fn_trait_refs.rs:23:5
@@ -224,10 +220,6 @@ LL |     f()
    |     ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const FnMut()`
-   |
-LL |     T: ~const FnMut<()> + ~const Destruct + ~const FnMut(),
-   |                                           ++++++++++++++++
 
 error[E0015]: cannot call non-const closure in constant functions
   --> $DIR/fn_trait_refs.rs:30:5
@@ -236,10 +228,6 @@ LL |     f()
    |     ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const FnOnce()`
-   |
-LL |     T: ~const FnOnce<()> + ~const FnOnce(),
-   |                          +++++++++++++++++
 
 error: aborting due to 25 previous errors
 
diff --git a/tests/ui/consts/unstable-const-fn-in-libcore.stderr b/tests/ui/consts/unstable-const-fn-in-libcore.stderr
index 6f7b75caff0..f40c1871e90 100644
--- a/tests/ui/consts/unstable-const-fn-in-libcore.stderr
+++ b/tests/ui/consts/unstable-const-fn-in-libcore.stderr
@@ -19,10 +19,6 @@ LL |             Opt::None => f(),
    |                          ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const FnOnce()`
-   |
-LL |     const fn unwrap_or_else<F: ~const FnOnce() -> T + ~const FnOnce()>(self, f: F) -> T {
-   |                                                     +++++++++++++++++
 
 error[E0493]: destructor of `F` cannot be evaluated at compile-time
   --> $DIR/unstable-const-fn-in-libcore.rs:19:60
diff --git a/tests/ui/higher-ranked/trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr b/tests/ui/higher-ranked/trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr
index 63b03aeea3d..da6013a4af3 100644
--- a/tests/ui/higher-ranked/trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr
+++ b/tests/ui/higher-ranked/trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr
@@ -13,7 +13,7 @@ LL | fn want_bar_for_any_ccx<B>(b: &B)
    |    -------------------- required by a bound in this function
 LL |     where B : for<'ccx> Bar<'ccx>
    |               ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_bar_for_any_ccx`
-help: consider further restricting this bound with trait `Bar`
+help: consider further restricting type parameter `B` with trait `Bar`
    |
 LL |     where B : Qux + for<'ccx> Bar<'ccx>
    |                   +++++++++++++++++++++
diff --git a/tests/ui/impl-trait/in-trait/false-positive-predicate-entailment-error.current.stderr b/tests/ui/impl-trait/in-trait/false-positive-predicate-entailment-error.current.stderr
index f86601ef119..1ddbd75142f 100644
--- a/tests/ui/impl-trait/in-trait/false-positive-predicate-entailment-error.current.stderr
+++ b/tests/ui/impl-trait/in-trait/false-positive-predicate-entailment-error.current.stderr
@@ -17,7 +17,7 @@ LL | impl<A, F: MyFn<A>> Callback<A> for F {
    |            -------  ^^^^^^^^^^^     ^
    |            |
    |            unsatisfied trait bound introduced here
-help: consider further restricting this bound with trait `MyFn`
+help: consider further restricting type parameter `F` with trait `MyFn`
    |
 LL |         F: Callback<Self::CallbackArg> + MyFn<i32>,
    |                                        +++++++++++
@@ -43,7 +43,7 @@ LL |     fn autobatch<F>(self) -> impl Trait
 ...
 LL |         F: Callback<Self::CallbackArg>,
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `<Sender as ChannelSender>::autobatch`
-help: consider further restricting this bound with trait `MyFn`
+help: consider further restricting type parameter `F` with trait `MyFn`
    |
 LL |         F: Callback<Self::CallbackArg> + MyFn<i32>,
    |                                        +++++++++++
@@ -68,7 +68,7 @@ LL | impl<A, F: MyFn<A>> Callback<A> for F {
    |            |
    |            unsatisfied trait bound introduced here
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-help: consider further restricting this bound with trait `MyFn`
+help: consider further restricting type parameter `F` with trait `MyFn`
    |
 LL |         F: Callback<Self::CallbackArg> + MyFn<i32>,
    |                                        +++++++++++
@@ -121,7 +121,7 @@ LL | impl<A, F: MyFn<A>> Callback<A> for F {
    |            |
    |            unsatisfied trait bound introduced here
    = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
-help: consider further restricting this bound with trait `MyFn`
+help: consider further restricting type parameter `F` with trait `MyFn`
    |
 LL |         F: Callback<Self::CallbackArg> + MyFn<i32>,
    |                                        +++++++++++
@@ -137,7 +137,7 @@ note: required by a bound in `Callback`
    |
 LL | trait Callback<A>: MyFn<A, Output = Self::Ret> {
    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Callback`
-help: consider further restricting this bound with trait `MyFn`
+help: consider further restricting type parameter `F` with trait `MyFn`
    |
 LL |         F: Callback<Self::CallbackArg> + MyFn<i32>,
    |                                        +++++++++++
diff --git a/tests/ui/impl-trait/issue-55872-1.stderr b/tests/ui/impl-trait/issue-55872-1.stderr
index 28bbb45c096..81759760bf1 100644
--- a/tests/ui/impl-trait/issue-55872-1.stderr
+++ b/tests/ui/impl-trait/issue-55872-1.stderr
@@ -17,7 +17,7 @@ LL |         (S::default(), T::default())
    |         ---------------------------- return type was inferred to be `(S, T)` here
    |
    = note: required because it appears within the type `(S, T)`
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `S` with trait `Copy`
    |
 LL | impl<S: Default + std::marker::Copy> Bar for S {
    |                 +++++++++++++++++++
@@ -32,7 +32,7 @@ LL |         (S::default(), T::default())
    |         ---------------------------- return type was inferred to be `(S, T)` here
    |
    = note: required because it appears within the type `(S, T)`
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL |     fn foo<T: Default + std::marker::Copy>() -> Self::E {
    |                       +++++++++++++++++++
diff --git a/tests/ui/impl-trait/normalize-tait-in-const.stderr b/tests/ui/impl-trait/normalize-tait-in-const.stderr
index 9054b621bce..1dd84f10ad8 100644
--- a/tests/ui/impl-trait/normalize-tait-in-const.stderr
+++ b/tests/ui/impl-trait/normalize-tait-in-const.stderr
@@ -33,10 +33,6 @@ LL |     fun(filter_positive());
    |     ^^^^^^^^^^^^^^^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const Fn(&foo::Alias<'_>)`
-   |
-LL | const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct + ~const Fn(&foo::Alias<'_>)>(fun: F) {
-   |                                                                              ++++++++++++++++++++++++++++
 
 error: aborting due to 4 previous errors
 
diff --git a/tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr b/tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr
index c2bea92e055..3b051ef9a88 100644
--- a/tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr
+++ b/tests/ui/layout/rust-call-abi-not-a-tuple-ice-81974.stderr
@@ -6,7 +6,7 @@ LL | impl<A, B> FnOnce<A> for CachedFun<A, B>
    |
 note: required by a bound in `FnOnce`
   --> $SRC_DIR/core/src/ops/function.rs:LL:COL
-help: consider further restricting this bound with unstable trait `Tuple`
+help: consider further restricting type parameter `A` with unstable trait `Tuple`
    |
 LL |     A: Eq + Hash + Clone + std::marker::Tuple,
    |                          ++++++++++++++++++++
@@ -19,7 +19,7 @@ LL | impl<A, B> FnMut<A> for CachedFun<A, B>
    |
 note: required by a bound in `FnMut`
   --> $SRC_DIR/core/src/ops/function.rs:LL:COL
-help: consider further restricting this bound with unstable trait `Tuple`
+help: consider further restricting type parameter `A` with unstable trait `Tuple`
    |
 LL |     A: Eq + Hash + Clone + std::marker::Tuple,
    |                          ++++++++++++++++++++
@@ -30,7 +30,7 @@ error[E0277]: functions with the "rust-call" ABI must take a single non-self tup
 LL |     extern "rust-call" fn call_once(mut self, a: A) -> Self::Output {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A`
    |
-help: consider further restricting this bound with unstable trait `Tuple`
+help: consider further restricting type parameter `A` with unstable trait `Tuple`
    |
 LL |     A: Eq + Hash + Clone + std::marker::Tuple,
    |                          ++++++++++++++++++++
@@ -41,7 +41,7 @@ error[E0277]: functions with the "rust-call" ABI must take a single non-self tup
 LL |     extern "rust-call" fn call_mut(&mut self, a: A) -> Self::Output {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Tuple` is not implemented for `A`
    |
-help: consider further restricting this bound with unstable trait `Tuple`
+help: consider further restricting type parameter `A` with unstable trait `Tuple`
    |
 LL |     A: Eq + Hash + Clone + std::marker::Tuple,
    |                          ++++++++++++++++++++
@@ -56,7 +56,7 @@ LL |         self.call_mut(a)
    |
 note: required by a bound in `call_mut`
   --> $SRC_DIR/core/src/ops/function.rs:LL:COL
-help: consider further restricting this bound with unstable trait `Tuple`
+help: consider further restricting type parameter `A` with unstable trait `Tuple`
    |
 LL |     A: Eq + Hash + Clone + std::marker::Tuple,
    |                          ++++++++++++++++++++
diff --git a/tests/ui/methods/filter-relevant-fn-bounds.stderr b/tests/ui/methods/filter-relevant-fn-bounds.stderr
index 8b5240e3d4f..0e00adf6ea6 100644
--- a/tests/ui/methods/filter-relevant-fn-bounds.stderr
+++ b/tests/ui/methods/filter-relevant-fn-bounds.stderr
@@ -8,7 +8,7 @@ LL | |     where
 LL | |         F: for<'a> FnOnce(<F as Output<'a>>::Type),
    | |___________________________________________________^ the trait `for<'a> Output<'a>` is not implemented for `F`
    |
-help: consider further restricting this bound with trait `Output`
+help: consider further restricting type parameter `F` with trait `Output`
    |
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type) + for<'a> Output<'a>,
    |                                                    ++++++++++++++++++++
@@ -19,7 +19,7 @@ error[E0277]: the trait bound `for<'a> F: Output<'a>` is not satisfied
 LL |     fn do_something_wrapper<O, F>(self, _: F)
    |        ^^^^^^^^^^^^^^^^^^^^ the trait `for<'a> Output<'a>` is not implemented for `F`
    |
-help: consider further restricting this bound with trait `Output`
+help: consider further restricting type parameter `F` with trait `Output`
    |
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type) + for<'a> Output<'a>,
    |                                                    ++++++++++++++++++++
@@ -30,7 +30,7 @@ error[E0277]: the trait bound `F: Output<'_>` is not satisfied
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type),
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Output<'_>` is not implemented for `F`
    |
-help: consider further restricting this bound with trait `Output`
+help: consider further restricting type parameter `F` with trait `Output`
    |
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type) + Output<'_>,
    |                                                    ++++++++++++
@@ -41,7 +41,7 @@ error[E0277]: the trait bound `F: Output<'_>` is not satisfied
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type),
    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Output<'_>` is not implemented for `F`
    |
-help: consider further restricting this bound with trait `Output`
+help: consider further restricting type parameter `F` with trait `Output`
    |
 LL |         F: for<'a> FnOnce(<F as Output<'a>>::Type) + Output<'_>,
    |                                                    ++++++++++++
diff --git a/tests/ui/mir/validate/validate-unsize-cast.stderr b/tests/ui/mir/validate/validate-unsize-cast.stderr
index 9aaf2413b34..8449c6a24bd 100644
--- a/tests/ui/mir/validate/validate-unsize-cast.stderr
+++ b/tests/ui/mir/validate/validate-unsize-cast.stderr
@@ -10,7 +10,7 @@ note: required by a bound in `CastTo`
    |
 LL | pub trait CastTo<U: ?Sized>: Unsize<U> {}
    |                              ^^^^^^^^^ required by this bound in `CastTo`
-help: consider further restricting this bound with unstable trait `Unsize`
+help: consider further restricting type parameter `T` with unstable trait `Unsize`
    |
 LL | impl<T: ?Sized + std::marker::Unsize<U>, U: ?Sized> CastTo<U> for T {}
    |                ++++++++++++++++++++++++
diff --git a/tests/ui/moves/issue-34721.stderr b/tests/ui/moves/issue-34721.stderr
index 30b94072e5e..9834d009d22 100644
--- a/tests/ui/moves/issue-34721.stderr
+++ b/tests/ui/moves/issue-34721.stderr
@@ -18,7 +18,7 @@ note: `Foo::zero` takes ownership of the receiver `self`, which moves `x`
    |
 LL |     fn zero(self) -> Self;
    |             ^^^^
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL |     pub fn baz<T: Foo + Copy>(x: T) -> T {
    |                       ++++++
diff --git a/tests/ui/moves/use_of_moved_value_copy_suggestions.fixed b/tests/ui/moves/use_of_moved_value_copy_suggestions.fixed
index bfb855c7fb1..a5e0dd819b4 100644
--- a/tests/ui/moves/use_of_moved_value_copy_suggestions.fixed
+++ b/tests/ui/moves/use_of_moved_value_copy_suggestions.fixed
@@ -48,7 +48,7 @@ fn duplicate_custom_1<T: Copy + Trait>(t: S<T>) -> (S<T>, S<T>) where {
 fn duplicate_custom_2<T>(t: S<T>) -> (S<T>, S<T>)
 where
     T: A + Copy + Trait,
-    //~^ HELP consider further restricting this bound
+    //~^ HELP consider further restricting
 {
     (t, t) //~ use of moved value: `t`
 }
@@ -56,14 +56,14 @@ where
 fn duplicate_custom_3<T>(t: S<T>) -> (S<T>, S<T>)
 where
     T: A + Copy + Trait,
-    //~^ HELP consider further restricting this bound
+    //~^ HELP consider further restricting
     T: B,
 {
     (t, t) //~ use of moved value: `t`
 }
 
 fn duplicate_custom_4<T: A + Copy + Trait>(t: S<T>) -> (S<T>, S<T>)
-//~^ HELP consider further restricting this bound
+//~^ HELP consider further restricting
 where
     T: B,
 {
diff --git a/tests/ui/moves/use_of_moved_value_copy_suggestions.rs b/tests/ui/moves/use_of_moved_value_copy_suggestions.rs
index fbe5a1d74c3..60ca03ed698 100644
--- a/tests/ui/moves/use_of_moved_value_copy_suggestions.rs
+++ b/tests/ui/moves/use_of_moved_value_copy_suggestions.rs
@@ -48,7 +48,7 @@ fn duplicate_custom_1<T>(t: S<T>) -> (S<T>, S<T>) where {
 fn duplicate_custom_2<T>(t: S<T>) -> (S<T>, S<T>)
 where
     T: A,
-    //~^ HELP consider further restricting this bound
+    //~^ HELP consider further restricting
 {
     (t, t) //~ use of moved value: `t`
 }
@@ -56,14 +56,14 @@ where
 fn duplicate_custom_3<T>(t: S<T>) -> (S<T>, S<T>)
 where
     T: A,
-    //~^ HELP consider further restricting this bound
+    //~^ HELP consider further restricting
     T: B,
 {
     (t, t) //~ use of moved value: `t`
 }
 
 fn duplicate_custom_4<T: A>(t: S<T>) -> (S<T>, S<T>)
-//~^ HELP consider further restricting this bound
+//~^ HELP consider further restricting
 where
     T: B,
 {
diff --git a/tests/ui/moves/use_of_moved_value_copy_suggestions.stderr b/tests/ui/moves/use_of_moved_value_copy_suggestions.stderr
index ce5bcccde0f..784945dbbae 100644
--- a/tests/ui/moves/use_of_moved_value_copy_suggestions.stderr
+++ b/tests/ui/moves/use_of_moved_value_copy_suggestions.stderr
@@ -113,7 +113,7 @@ LL |     (t, t)
    |      |
    |      value moved here
    |
-help: consider further restricting this bound with traits `Copy` and `Trait`
+help: consider further restricting type parameter `T` with traits `Copy` and `Trait`
    |
 LL |     T: A + Copy + Trait,
    |          ++++++++++++++
@@ -129,7 +129,7 @@ LL |     (t, t)
    |      |
    |      value moved here
    |
-help: consider further restricting this bound with traits `Copy` and `Trait`
+help: consider further restricting type parameter `T` with traits `Copy` and `Trait`
    |
 LL |     T: A + Copy + Trait,
    |          ++++++++++++++
@@ -145,7 +145,7 @@ LL |     (t, t)
    |      |
    |      value moved here
    |
-help: consider further restricting this bound with traits `Copy` and `Trait`
+help: consider further restricting type parameter `T` with traits `Copy` and `Trait`
    |
 LL | fn duplicate_custom_4<T: A + Copy + Trait>(t: S<T>) -> (S<T>, S<T>)
    |                            ++++++++++++++
diff --git a/tests/ui/specialization/default-generic-associated-type-bound.stderr b/tests/ui/specialization/default-generic-associated-type-bound.stderr
index 3c606ba1e10..57d67ac526a 100644
--- a/tests/ui/specialization/default-generic-associated-type-bound.stderr
+++ b/tests/ui/specialization/default-generic-associated-type-bound.stderr
@@ -20,7 +20,7 @@ note: required by a bound in `X::U`
    |
 LL |     type U<'a>: PartialEq<&'a Self> where Self: 'a;
    |                 ^^^^^^^^^^^^^^^^^^^ required by this bound in `X::U`
-help: consider further restricting this bound with trait `PartialEq`
+help: consider further restricting type parameter `T` with trait `PartialEq`
    |
 LL | impl<T: 'static + std::cmp::PartialEq> X for T {
    |                 +++++++++++++++++++++
diff --git a/tests/ui/specialization/min_specialization/issue-79224.stderr b/tests/ui/specialization/min_specialization/issue-79224.stderr
index 7d107c459e5..84e526f4597 100644
--- a/tests/ui/specialization/min_specialization/issue-79224.stderr
+++ b/tests/ui/specialization/min_specialization/issue-79224.stderr
@@ -5,7 +5,7 @@ LL | impl<B: ?Sized> Display for Cow<'_, B> {
    |                             ^^^^^^^^^^ the trait `Clone` is not implemented for `B`
    |
    = note: required for `B` to implement `ToOwned`
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `B` with trait `Clone`
    |
 LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> {
    |                +++++++++++++++++++
@@ -17,7 +17,7 @@ LL |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Clone` is not implemented for `B`
    |
    = note: required for `B` to implement `ToOwned`
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `B` with trait `Clone`
    |
 LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> {
    |                +++++++++++++++++++
@@ -29,7 +29,7 @@ LL |     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
    |             ^^^^ the trait `Clone` is not implemented for `B`
    |
    = note: required for `B` to implement `ToOwned`
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `B` with trait `Clone`
    |
 LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> {
    |                +++++++++++++++++++
@@ -47,7 +47,7 @@ LL | |     }
    | |_____^ the trait `Clone` is not implemented for `B`
    |
    = note: required for `B` to implement `ToOwned`
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `B` with trait `Clone`
    |
 LL | impl<B: ?Sized + std::clone::Clone> Display for Cow<'_, B> {
    |                +++++++++++++++++++
diff --git a/tests/ui/suggestions/assoc-const-as-fn.stderr b/tests/ui/suggestions/assoc-const-as-fn.stderr
index b660bacd50b..6732033e774 100644
--- a/tests/ui/suggestions/assoc-const-as-fn.stderr
+++ b/tests/ui/suggestions/assoc-const-as-fn.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `T: GlUniformScalar` is not satisfied
 LL |     <T as GlUniformScalar>::FACTORY(1, value);
    |      ^ the trait `GlUniformScalar` is not implemented for `T`
    |
-help: consider further restricting this bound with trait `GlUniformScalar`
+help: consider further restricting type parameter `T` with trait `GlUniformScalar`
    |
 LL | pub fn foo<T: UniformScalar + GlUniformScalar>(value: T) {
    |                             +++++++++++++++++
diff --git a/tests/ui/suggestions/bound-suggestions.stderr b/tests/ui/suggestions/bound-suggestions.stderr
index ea6fbfc211d..be0ff66092e 100644
--- a/tests/ui/suggestions/bound-suggestions.stderr
+++ b/tests/ui/suggestions/bound-suggestions.stderr
@@ -5,7 +5,7 @@ LL |     println!("{:?}", t);
    |                      ^ `impl Sized` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `impl Sized` with trait `Debug`
    |
 LL | fn test_impl(t: impl Sized + std::fmt::Debug) {
    |                            +++++++++++++++++
@@ -29,7 +29,7 @@ LL |     println!("{:?}", t);
    |                      ^ `T` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `T` with trait `Debug`
    |
 LL | fn test_one_bound<T: Sized + std::fmt::Debug>(t: T) {
    |                            +++++++++++++++++
@@ -53,7 +53,7 @@ LL |     println!("{:?}", x);
    |                      ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `X` with trait `Debug`
    |
 LL | fn test_one_bound_where<X>(x: X) where X: Sized + std::fmt::Debug {
    |                                                 +++++++++++++++++
@@ -65,7 +65,7 @@ LL |     println!("{:?}", x);
    |                      ^ `X` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `X` with trait `Debug`
    |
 LL | fn test_many_bounds_where<X>(x: X) where X: Sized + std::fmt::Debug, X: Sized {
    |                                                   +++++++++++++++++
diff --git a/tests/ui/suggestions/clone-bounds-121524.rs b/tests/ui/suggestions/clone-bounds-121524.rs
index 8cd60b452de..7bc3bfe0117 100644
--- a/tests/ui/suggestions/clone-bounds-121524.rs
+++ b/tests/ui/suggestions/clone-bounds-121524.rs
@@ -6,7 +6,7 @@ trait DoesAThing {}
 impl DoesAThing for ThingThatDoesAThing {}
 
 fn clones_impl_ref_inline(thing: &impl DoesAThing) {
-    //~^ HELP consider further restricting this bound
+    //~^ HELP consider further restricting type parameter `impl DoesAThing` with trait `Clone`
     drops_impl_owned(thing.clone()); //~ ERROR E0277
     //~^ NOTE copies the reference
     //~| NOTE the trait `DoesAThing` is not implemented for `&impl DoesAThing`
diff --git a/tests/ui/suggestions/clone-bounds-121524.stderr b/tests/ui/suggestions/clone-bounds-121524.stderr
index a389dee5e9e..92897d87188 100644
--- a/tests/ui/suggestions/clone-bounds-121524.stderr
+++ b/tests/ui/suggestions/clone-bounds-121524.stderr
@@ -9,7 +9,7 @@ note: this `clone()` copies the reference, which does not do anything, because `
    |
 LL |     drops_impl_owned(thing.clone());
    |                            ^^^^^
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `impl DoesAThing` with trait `Clone`
    |
 LL | fn clones_impl_ref_inline(thing: &impl DoesAThing + Clone) {
    |                                                   +++++++
diff --git a/tests/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr b/tests/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr
index 474de6388e3..8b1c0b9a77a 100644
--- a/tests/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr
+++ b/tests/ui/suggestions/issue-106443-sugg-clone-for-bound.stderr
@@ -4,7 +4,7 @@ error[E0277]: the trait bound `&T: X` is not satisfied
 LL |     foo(s);
    |         ^ the trait `X` is not implemented for `&T`
    |
-help: consider further restricting this bound with trait `Clone`
+help: consider further restricting type parameter `T` with trait `Clone`
    |
 LL | fn bar<T: X + Clone>(s: &T) {
    |             +++++++
diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr
index e5af79ba970..4408fe0a0a4 100644
--- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr
+++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-2.stderr
@@ -9,7 +9,7 @@ note: required by a bound in `Vector2`
    |
 LL | pub struct Vector2<T: Debug + Copy + Clone> {
    |                               ^^^^ required by this bound in `Vector2`
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `K` with trait `Copy`
    |
 LL | pub struct AABB<K: Debug + std::marker::Copy> {
    |                          +++++++++++++++++++
@@ -32,7 +32,7 @@ LL | pub struct Vector2<T: Debug + Copy + Clone> {
    |                               ---- unsatisfied trait bound introduced in this `derive` macro
    = note: required for the cast from `&Vector2<K>` to `&dyn Debug`
    = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `K` with trait `Copy`
    |
 LL | pub struct AABB<K: Debug + std::marker::Copy> {
    |                          +++++++++++++++++++
@@ -52,7 +52,7 @@ note: required by a bound in `Vector2`
 LL | pub struct Vector2<T: Debug + Copy + Clone> {
    |                               ^^^^ required by this bound in `Vector2`
    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `K` with trait `Copy`
    |
 LL | pub struct AABB<K: Debug + std::marker::Copy> {
    |                          +++++++++++++++++++
@@ -74,7 +74,7 @@ LL | #[derive(Debug, Copy, Clone)]
 LL | pub struct Vector2<T: Debug + Copy + Clone> {
    |                               ---- unsatisfied trait bound introduced in this `derive` macro
    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `K` with trait `Copy`
    |
 LL | pub struct AABB<K: Debug + std::marker::Copy> {
    |                          +++++++++++++++++++
diff --git a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr
index 6b07e5f74c1..1bbf6f66ab2 100644
--- a/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr
+++ b/tests/ui/suggestions/missing-bound-in-derive-copy-impl-3.stderr
@@ -13,7 +13,7 @@ note: the `Copy` impl for `Vector2<K>` requires that `K: Debug`
 LL |     pub loc: Vector2<K>,
    |              ^^^^^^^^^^
    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `K` with trait `Debug`
    |
 LL | pub struct AABB<K: Copy + Debug>{
    |                         +++++++
@@ -29,7 +29,7 @@ note: required by a bound in `Vector2`
    |
 LL | pub struct Vector2<T: Debug + Copy + Clone>{
    |                       ^^^^^ required by this bound in `Vector2`
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `K` with trait `Debug`
    |
 LL | pub struct AABB<K: Copy + std::fmt::Debug>{
    |                         +++++++++++++++++
@@ -44,7 +44,7 @@ LL |     pub loc: Vector2<K>,
    |     ^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `K` with trait `Debug`
    |
 LL | pub struct AABB<K: Copy + std::fmt::Debug>{
    |                         +++++++++++++++++
@@ -59,7 +59,7 @@ LL |     pub size: Vector2<K>
    |     ^^^^^^^^^^^^^^^^^^^^ `K` cannot be formatted using `{:?}` because it doesn't implement `Debug`
    |
    = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
-help: consider further restricting this bound with trait `Debug`
+help: consider further restricting type parameter `K` with trait `Debug`
    |
 LL | pub struct AABB<K: Copy + std::fmt::Debug>{
    |                         +++++++++++++++++
diff --git a/tests/ui/suggestions/restrict-type-argument.stderr b/tests/ui/suggestions/restrict-type-argument.stderr
index 3bfd18f4f62..dc647fefc28 100644
--- a/tests/ui/suggestions/restrict-type-argument.stderr
+++ b/tests/ui/suggestions/restrict-type-argument.stderr
@@ -11,7 +11,7 @@ note: required by a bound in `is_send`
    |
 LL | fn is_send<T: Send>(val: T) {}
    |               ^^^^ required by this bound in `is_send`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `impl Sync` with trait `Send`
    |
 LL | fn use_impl_sync(val: impl Sync + std::marker::Send) {
    |                                 +++++++++++++++++++
@@ -29,7 +29,7 @@ note: required by a bound in `is_send`
    |
 LL | fn is_send<T: Send>(val: T) {}
    |               ^^^^ required by this bound in `is_send`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `S` with trait `Send`
    |
 LL | fn use_where<S>(val: S) where S: Sync + std::marker::Send {
    |                                       +++++++++++++++++++
@@ -47,7 +47,7 @@ note: required by a bound in `is_send`
    |
 LL | fn is_send<T: Send>(val: T) {}
    |               ^^^^ required by this bound in `is_send`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `S` with trait `Send`
    |
 LL | fn use_bound<S: Sync + std::marker::Send>(val: S) {
    |                      +++++++++++++++++++
@@ -65,7 +65,7 @@ note: required by a bound in `is_send`
    |
 LL | fn is_send<T: Send>(val: T) {}
    |               ^^^^ required by this bound in `is_send`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `S` with trait `Send`
    |
 LL |     Sync + std::marker::Send
    |          +++++++++++++++++++
@@ -83,7 +83,7 @@ note: required by a bound in `is_send`
    |
 LL | fn is_send<T: Send>(val: T) {}
    |               ^^^^ required by this bound in `is_send`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `S` with trait `Send`
    |
 LL | fn use_bound_and_where<S: Sync + std::marker::Send>(val: S) where S: std::fmt::Debug {
    |                                +++++++++++++++++++
diff --git a/tests/ui/traits/bad-method-typaram-kind.stderr b/tests/ui/traits/bad-method-typaram-kind.stderr
index 4b8c2667934..3b3d6e5f832 100644
--- a/tests/ui/traits/bad-method-typaram-kind.stderr
+++ b/tests/ui/traits/bad-method-typaram-kind.stderr
@@ -11,7 +11,7 @@ note: required by a bound in `Bar::bar`
    |
 LL |     fn bar<T:Send>(&self);
    |              ^^^^ required by this bound in `Bar::bar`
-help: consider further restricting this bound with trait `Send`
+help: consider further restricting type parameter `T` with trait `Send`
    |
 LL | fn foo<T:'static + std::marker::Send>() {
    |                  +++++++++++++++++++
diff --git a/tests/ui/traits/const-traits/call-generic-method-chain.stderr b/tests/ui/traits/const-traits/call-generic-method-chain.stderr
index 401a85bcc57..21fb19daad4 100644
--- a/tests/ui/traits/const-traits/call-generic-method-chain.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-chain.stderr
@@ -42,10 +42,6 @@ LL |     *t == *t
    |     ^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const std::cmp::PartialEq`
-   |
-LL | const fn equals_self<T: ~const PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
-   |                                          ++++++++++++++++++++++++++++
 
 error[E0015]: cannot call non-const fn `<S as PartialEq>::eq` in constant functions
   --> $DIR/call-generic-method-chain.rs:16:15
diff --git a/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr b/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
index 2598af92f12..845949a38bf 100644
--- a/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-dup-bound.stderr
@@ -42,10 +42,6 @@ LL |     *t == *t
    |     ^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const std::cmp::PartialEq`
-   |
-LL | const fn equals_self<T: PartialEq + ~const PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
-   |                                                      ++++++++++++++++++++++++++++
 
 error[E0015]: cannot call non-const fn `<S as PartialEq>::eq` in constant functions
   --> $DIR/call-generic-method-dup-bound.rs:14:15
@@ -62,10 +58,6 @@ LL |     *t == *t
    |     ^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const std::cmp::PartialEq`
-   |
-LL | const fn equals_self2<T: A + ~const PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
-   |                                               ++++++++++++++++++++++++++++
 
 error: aborting due to 8 previous errors
 
diff --git a/tests/ui/traits/const-traits/call-generic-method-fail.stderr b/tests/ui/traits/const-traits/call-generic-method-fail.stderr
index 2a6c0e0ed1d..6bacb986fef 100644
--- a/tests/ui/traits/const-traits/call-generic-method-fail.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-fail.stderr
@@ -5,10 +5,6 @@ LL |     *t == *t
    |     ^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const std::cmp::PartialEq`
-   |
-LL | pub const fn equals_self<T: PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
-   |                                       ++++++++++++++++++++++++++++
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/traits/const-traits/call-generic-method-pass.stderr b/tests/ui/traits/const-traits/call-generic-method-pass.stderr
index c46cf8f9ab5..0c0037e36b8 100644
--- a/tests/ui/traits/const-traits/call-generic-method-pass.stderr
+++ b/tests/ui/traits/const-traits/call-generic-method-pass.stderr
@@ -28,10 +28,6 @@ LL |     *t == *t
    |     ^^^^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const std::cmp::PartialEq`
-   |
-LL | const fn equals_self<T: ~const PartialEq + ~const std::cmp::PartialEq>(t: &T) -> bool {
-   |                                          ++++++++++++++++++++++++++++
 
 error[E0015]: cannot call non-const fn `<S as PartialEq>::eq` in constant functions
   --> $DIR/call-generic-method-pass.rs:16:15
diff --git a/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr b/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
index d7b2423f45b..a76dc3e82af 100644
--- a/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
+++ b/tests/ui/traits/const-traits/const-closure-trait-method-fail.stderr
@@ -19,10 +19,6 @@ LL |     x(())
    |     ^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const FnOnce(())`
-   |
-LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32 + ~const FnOnce(())>(x: T) -> i32 {
-   |                                                         +++++++++++++++++++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/traits/const-traits/const-closure-trait-method.stderr b/tests/ui/traits/const-traits/const-closure-trait-method.stderr
index 23de7f521b1..d37ff3d727c 100644
--- a/tests/ui/traits/const-traits/const-closure-trait-method.stderr
+++ b/tests/ui/traits/const-traits/const-closure-trait-method.stderr
@@ -19,10 +19,6 @@ LL |     x(())
    |     ^^^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const FnOnce(())`
-   |
-LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32 + ~const FnOnce(())>(x: T) -> i32 {
-   |                                                         +++++++++++++++++++
 
 error: aborting due to 3 previous errors
 
diff --git a/tests/ui/traits/const-traits/const-closures.stderr b/tests/ui/traits/const-traits/const-closures.stderr
index 4a633a5ca2b..8ceaae16d8e 100644
--- a/tests/ui/traits/const-traits/const-closures.stderr
+++ b/tests/ui/traits/const-traits/const-closures.stderr
@@ -61,10 +61,6 @@ LL |     f() + f()
    |     ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const Fn()`
-   |
-LL | const fn answer<F: ~const Fn() -> u8 + ~const Fn()>(f: &F) -> u8 {
-   |                                      +++++++++++++
 
 error[E0015]: cannot call non-const closure in constant functions
   --> $DIR/const-closures.rs:24:11
@@ -73,10 +69,6 @@ LL |     f() + f()
    |           ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const Fn()`
-   |
-LL | const fn answer<F: ~const Fn() -> u8 + ~const Fn()>(f: &F) -> u8 {
-   |                                      +++++++++++++
 
 error[E0015]: cannot call non-const closure in constant functions
   --> $DIR/const-closures.rs:12:5
@@ -85,10 +77,6 @@ LL |     f() * 7
    |     ^^^
    |
    = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
-help: consider further restricting this bound with trait `~const Fn()`
-   |
-LL |         F: ~const FnOnce() -> u8 + ~const Fn(),
-   |                                  +++++++++++++
 
 error: aborting due to 11 previous errors
 
diff --git a/tests/ui/traits/const-traits/trait-where-clause.stderr b/tests/ui/traits/const-traits/trait-where-clause.stderr
index 8a621633b63..3a15cc63f32 100644
--- a/tests/ui/traits/const-traits/trait-where-clause.stderr
+++ b/tests/ui/traits/const-traits/trait-where-clause.stderr
@@ -33,7 +33,7 @@ note: required by a bound in `Foo::b`
    |
 LL |     fn b() where Self: ~const Bar;
    |                        ^^^^^^^^^^ required by this bound in `Foo::b`
-help: consider further restricting this bound with trait `Bar`
+help: consider further restricting type parameter `T` with trait `Bar`
    |
 LL | fn test1<T: Foo + Bar>() {
    |                 +++++
@@ -49,7 +49,7 @@ note: required by a bound in `Foo::c`
    |
 LL |     fn c<T: ~const Bar>();
    |             ^^^^^^^^^^ required by this bound in `Foo::c`
-help: consider further restricting this bound with trait `Bar`
+help: consider further restricting type parameter `T` with trait `Bar`
    |
 LL | fn test1<T: Foo + Bar>() {
    |                 +++++
diff --git a/tests/ui/traits/inductive-overflow/two-traits.stderr b/tests/ui/traits/inductive-overflow/two-traits.stderr
index f06ea93ac7c..1816e029f18 100644
--- a/tests/ui/traits/inductive-overflow/two-traits.stderr
+++ b/tests/ui/traits/inductive-overflow/two-traits.stderr
@@ -9,7 +9,7 @@ note: required by a bound in `Magic::X`
    |
 LL |     type X: Trait;
    |             ^^^^^ required by this bound in `Magic::X`
-help: consider further restricting this bound with trait `Sync`
+help: consider further restricting type parameter `T` with trait `Sync`
    |
 LL | impl<T: Magic + std::marker::Sync> Magic for T {
    |               +++++++++++++++++++
diff --git a/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr b/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr
index 66c0f536504..fdf0b1722be 100644
--- a/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr
+++ b/tests/ui/traits/inheritance/repeated-supertrait-ambig.stderr
@@ -18,7 +18,7 @@ LL |     c.same_as(22)
    |       |
    |       required by a bound introduced by this call
    |
-help: consider further restricting this bound with trait `CompareTo`
+help: consider further restricting type parameter `C` with trait `CompareTo`
    |
 LL | fn with_trait<C:CompareToInts + CompareTo<i32>>(c: &C) -> bool {
    |                               ++++++++++++++++
@@ -41,7 +41,7 @@ LL |     CompareTo::same_as(c, 22)
    |     |
    |     required by a bound introduced by this call
    |
-help: consider further restricting this bound with trait `CompareTo`
+help: consider further restricting type parameter `C` with trait `CompareTo`
    |
 LL | fn with_ufcs2<C:CompareToInts + CompareTo<i32>>(c: &C) -> bool {
    |                               ++++++++++++++++
diff --git a/tests/ui/traits/next-solver/issue-118950-root-region.stderr b/tests/ui/traits/next-solver/issue-118950-root-region.stderr
index 523c92aa3b5..d2a58e95629 100644
--- a/tests/ui/traits/next-solver/issue-118950-root-region.stderr
+++ b/tests/ui/traits/next-solver/issue-118950-root-region.stderr
@@ -32,7 +32,7 @@ error[E0277]: the trait bound `T: Overlap<for<'a> fn(Assoc<'a, T>)>` is not sati
 LL | impl<T> Overlap<for<'a> fn(Assoc<'a, T>)> for T where Missing: Overlap<T> {}
    |                                               ^ the trait `Overlap<for<'a> fn(Assoc<'a, T>)>` is not implemented for `T`
    |
-help: consider further restricting type parameter `T` with trait `Overlap<for<'a> fn(Assoc<'a, T>)>`
+help: consider further restricting type parameter `T` with trait `Overlap`
    |
 LL | impl<T> Overlap<for<'a> fn(Assoc<'a, T>)> for T where Missing: Overlap<T>, T: Overlap<for<'a> fn(Assoc<'a, T>)> {}
    |                                                                          ++++++++++++++++++++++++++++++++++++++
diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr b/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr
index 8029fc1be85..c0f6d678097 100644
--- a/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr
+++ b/tests/ui/type-alias-impl-trait/bounds-are-checked3.stderr
@@ -10,7 +10,7 @@ note: required by a bound in `Struct`
    |
 LL | struct Struct<V: Display>(Option<V>);
    |                  ^^^^^^^ required by this bound in `Struct`
-help: consider further restricting this bound with trait `Display`
+help: consider further restricting type parameter `T` with trait `Display`
    |
 LL | type Foo<T: Debug + std::fmt::Display> = (impl Debug, Struct<T>);
    |                   +++++++++++++++++++
diff --git a/tests/ui/union/issue-81199.stderr b/tests/ui/union/issue-81199.stderr
index d815e67d186..8b78ddcf4a5 100644
--- a/tests/ui/union/issue-81199.stderr
+++ b/tests/ui/union/issue-81199.stderr
@@ -9,7 +9,7 @@ note: required by a bound in `PtrComponents`
    |
 LL | struct PtrComponents<T: Pointee + ?Sized> {
    |                         ^^^^^^^ required by this bound in `PtrComponents`
-help: consider further restricting this bound with trait `Pointee`
+help: consider further restricting type parameter `T` with trait `Pointee`
    |
 LL | union PtrRepr<T: ?Sized + Pointee> {
    |                         +++++++++
diff --git a/tests/ui/unop/unop-move-semantics.stderr b/tests/ui/unop/unop-move-semantics.stderr
index 89483b7b9cd..5b81feaa578 100644
--- a/tests/ui/unop/unop-move-semantics.stderr
+++ b/tests/ui/unop/unop-move-semantics.stderr
@@ -15,7 +15,7 @@ help: consider cloning the value if the performance cost is acceptable
    |
 LL |     !x.clone();
    |       ++++++++
-help: consider further restricting this bound with trait `Copy`
+help: consider further restricting type parameter `T` with trait `Copy`
    |
 LL | fn move_then_borrow<T: Not<Output=T> + Clone + Copy>(x: T) {
    |                                              ++++++