change std::marker::Sized to just Sized

Author: Lukas Markeffsky

compiler/rustc_middle/src/ty/diagnostics.rs

@@ -252,13 +252,10 @@ pub fn suggest_constraining_type_params<'a>(
  {
  let mut sized_constraints =
  constraints.extract_if(|(_, def_id)| *def_id == tcx.lang_items().sized_trait());
- if let Some((constraint, def_id)) = sized_constraints.next() {
+ if let Some((_, def_id)) = sized_constraints.next() {
  applicability = Applicability::MaybeIncorrect;
 
- err.span_label(
- param.span,
- format!("this type parameter needs to be `{}`", constraint),
- );
+ err.span_label(param.span, "this type parameter needs to be `Sized`");
  suggest_changing_unsized_bound(generics, &mut suggestions, param, def_id);
  }
  }

tests/ui/const-generics/const-argument-if-length.full.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/const-argument-if-length.rs:15:12
  |
 LL | pub struct AtLeastByte<T: ?Sized> {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | value: T,
  | ^ doesn't have a size known at compile-time
  |

tests/ui/const-generics/const-argument-if-length.min.stderr

@@ -11,7 +11,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/const-argument-if-length.rs:15:12
  |
 LL | pub struct AtLeastByte<T: ?Sized> {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | value: T,
  | ^ doesn't have a size known at compile-time
  |

tests/ui/dst/dst-object-from-unsized-type.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/dst-object-from-unsized-type.rs:8:23
  |
 LL | fn test1<T: ?Sized + Foo>(t: &T) {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | let u: &dyn Foo = t;
  | ^ doesn't have a size known at compile-time
  |
@@ -17,7 +17,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/dst-object-from-unsized-type.rs:13:23
  |
 LL | fn test2<T: ?Sized + Foo>(t: &T) {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | let v: &dyn Foo = t as &dyn Foo;
  | ^ doesn't have a size known at compile-time
  |

tests/ui/generic-associated-types/issue-88287.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `A` cannot be known at compilation tim
  --> $DIR/issue-88287.rs:34:9
  |
 LL | type SearchFutureTy<'f, A, B: 'f>
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 ...
 LL | async move { todo!() }
  | ^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time

tests/ui/offset-of/offset-of-dst-field.stderr

@@ -70,7 +70,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/offset-of-dst-field.rs:50:5
  |
 LL | fn generic_with_maybe_sized<T: ?Sized>() -> usize {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | offset_of!(Delta<T>, z)
  | ^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time
  |

tests/ui/packed/issue-27060-2.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/issue-27060-2.rs:3:11
  |
 LL | pub struct Bad<T: ?Sized> {
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | data: T,
  | ^ doesn't have a size known at compile-time
  |

tests/ui/suggestions/adt-param-with-implicit-sized-bound.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
  --> $DIR/adt-param-with-implicit-sized-bound.rs:25:9
  |
 LL | struct Struct5<T: ?Sized>{
- | - this type parameter needs to be `std::marker::Sized`
+ | - this type parameter needs to be `Sized`
 LL | _t: X<T>,
  | ^^^^ doesn't have a size known at compile-time
  |

tests/ui/suggestions/removal-of-multiline-trait-bound-in-where-clause.stderr

@@ -4,7 +4,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
 LL | fn foo<T>(foo: Wrapper<T>)
  | - ^^^^^^^^^^ doesn't have a size known at compile-time
  | |
- | this type parameter needs to be `std::marker::Sized`
+ | this type parameter needs to be `Sized`
  |
 note: required by a bound in `Wrapper`
  --> $DIR/removal-of-multiline-trait-bound-in-where-clause.rs:1:16
@@ -33,7 +33,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
 LL | fn bar<T>(foo: Wrapper<T>)
  | - ^^^^^^^^^^ doesn't have a size known at compile-time
  | |
- | this type parameter needs to be `std::marker::Sized`
+ | this type parameter needs to be `Sized`
  |
 note: required by a bound in `Wrapper`
  --> $DIR/removal-of-multiline-trait-bound-in-where-clause.rs:1:16
@@ -58,7 +58,7 @@ error[E0277]: the size for values of type `T` cannot be known at compilation tim
 LL | fn qux<T>(foo: Wrapper<T>)
  | - ^^^^^^^^^^ doesn't have a size known at compile-time
  | |
- | this type parameter needs to be `std::marker::Sized`
+ | this type parameter needs to be `Sized`
  |
 note: required by a bound in `Wrapper`
  --> $DIR/removal-of-multiline-trait-bound-in-where-clause.rs:1:16

tests/ui/trait-bounds/apit-unsized.stderr

@@ -2,7 +2,7 @@ error[E0277]: the size for values of type `impl Iterator<Item = i32> + ?Sized` c
  --> $DIR/apit-unsized.rs:1:8
  |
 LL | fn foo(_: impl Iterator<Item = i32> + ?Sized) {}
- | ^ ---------------------------------- this type parameter needs to be `std::marker::Sized`
+ | ^ ---------------------------------- this type parameter needs to be `Sized`
  | |
  | doesn't have a size known at compile-time
  |
@@ -21,7 +21,7 @@ error[E0277]: the size for values of type `impl ?Sized` cannot be known at compi
  --> $DIR/apit-unsized.rs:2:8
  |
 LL | fn bar(_: impl ?Sized) {}
- | ^ ----------- this type parameter needs to be `std::marker::Sized`
+ | ^ ----------- this type parameter needs to be `Sized`
  | |
  | doesn't have a size known at compile-time
  |