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Auto merge of #84153 - Dylan-DPC:rollup-5jiqrwu, r=Dylan-DPC

Browse Source 
Rollup of 6 pull requests

Successful merges:

 - #83438 (Update RELEASES.md)
 - #83707 (Remove `T: Debug` bound on UnsafeCell Debug impl)
 - #84084 (Stabilize duration_zero.)
 - #84121 (Stabilize BTree{Map,Set}::retain)
 - #84140 (Don't call bump in check_mistyped_turbofish_with_multiple_type_params)
 - #84141 (Fix typo in error message)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2021-04-13 11:22:10 +00:00
commit 5258a74c88
12 changed files with 97 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
RELEASES.md
View File

@ -50,6 +50,8 @@ Libraries
- [`io::Empty` now implements `io::Seek`.][78044]
- [`rc::Weak<T>` and `sync::Weak<T>`'s methods such as `as_ptr` are now implemented for
`T: ?Sized` types.][80764]
- [`Div` and `Rem` by their `NonZero` variant is now implemented for all unsigned integers.][79134]
Stabilized APIs
---------------
@ -72,6 +74,8 @@ Stabilized APIs
- [`str::split_inclusive`]
- [`sync::OnceState`]
- [`task::Wake`]
- [`VecDeque::range`]
- [`VecDeque::range_mut`]
Cargo
-----
@ -115,6 +119,7 @@ Compatibility Notes
- `thumbv7neon-unknown-linux-gnueabihf`
- `armv7-unknown-linux-gnueabi`
- `x86_64-unknown-linux-gnux32`
- [`atomic::spin_loop_hint` has been deprecated.][80966] It's recommended to use `hint::spin_loop` instead.
Internal Only
-------------
@ -145,6 +150,8 @@ Internal Only
[80764]: https://github.com/rust-lang/rust/pull/80764
[80749]: https://github.com/rust-lang/rust/pull/80749
[80662]: https://github.com/rust-lang/rust/pull/80662
[79134]: https://github.com/rust-lang/rust/pull/79134
[80966]: https://github.com/rust-lang/rust/pull/80966
[cargo/8997]: https://github.com/rust-lang/cargo/pull/8997
[cargo/9112]: https://github.com/rust-lang/cargo/pull/9112
[feature-resolver@2.0]: https://doc.rust-lang.org/nightly/cargo/reference/features.html#feature-resolver-version-2
@ -166,6 +173,8 @@ Internal Only
[`Seek::stream_position`]: https://doc.rust-lang.org/nightly/std/io/trait.Seek.html#method.stream_position
[`Peekable::next_if`]: https://doc.rust-lang.org/nightly/std/iter/struct.Peekable.html#method.next_if
[`Peekable::next_if_eq`]: https://doc.rust-lang.org/nightly/std/iter/struct.Peekable.html#method.next_if_eq
[`VecDeque::range`]: https://doc.rust-lang.org/nightly/std/collections/struct.VecDeque.html#method.range
[`VecDeque::range_mut`]: https://doc.rust-lang.org/nightly/std/collections/struct.VecDeque.html#method.range_mut
Version 1.50.0 (2021-02-11)
============================

32
compiler/rustc_parse/src/parser/diagnostics.rs
View File

@ -666,21 +666,23 @@ impl<'a> Parser<'a> {
);
match x {
Ok((_, _, false)) => {
self.bump(); // `>`
match self.parse_expr() {
Ok(_) => {
e.span_suggestion_verbose(
binop.span.shrink_to_lo(),
TURBOFISH_SUGGESTION_STR,
"::".to_string(),
Applicability::MaybeIncorrect,
);
e.emit();
*expr = self.mk_expr_err(expr.span.to(self.prev_token.span));
return Ok(());
}
Err(mut err) => {
err.cancel();
if self.eat(&token::Gt) {
match self.parse_expr() {
Ok(_) => {
e.span_suggestion_verbose(
binop.span.shrink_to_lo(),
TURBOFISH_SUGGESTION_STR,
"::".to_string(),
Applicability::MaybeIncorrect,
);
e.emit();
*expr =
self.mk_expr_err(expr.span.to(self.prev_token.span));
return Ok(());
}
Err(mut err) => {
err.cancel();
}
}
}
}

2
compiler/rustc_typeck/src/astconv/generics.rs
View File

@ -82,7 +82,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
if param_type.is_suggestable() {
err.span_suggestion(
tcx.def_span(src_def_id),
"consider changing this type paramater to a `const`-generic",
"consider changing this type parameter to be a `const` generic",
format!("const {}: {}", param_name, param_type),
Applicability::MaybeIncorrect,
);

3
library/alloc/src/collections/btree/map.rs
View File

@ -940,7 +940,6 @@ impl<K, V> BTreeMap<K, V> {
/// # Examples
///
/// ```
/// #![feature(btree_retain)]
/// use std::collections::BTreeMap;
///
/// let mut map: BTreeMap<i32, i32> = (0..8).map(|x| (x, x*10)).collect();
@ -949,7 +948,7 @@ impl<K, V> BTreeMap<K, V> {
/// assert!(map.into_iter().eq(vec![(0, 0), (2, 20), (4, 40), (6, 60)]));
/// ```
#[inline]
#[unstable(feature = "btree_retain", issue = "79025")]
#[stable(feature = "btree_retain", since = "1.53.0")]
pub fn retain<F>(&mut self, mut f: F)
where
K: Ord,

3
library/alloc/src/collections/btree/set.rs
View File

@ -851,7 +851,6 @@ impl<T> BTreeSet<T> {
/// # Examples
///
/// ```
/// #![feature(btree_retain)]
/// use std::collections::BTreeSet;
///
/// let xs = [1, 2, 3, 4, 5, 6];
@ -860,7 +859,7 @@ impl<T> BTreeSet<T> {
/// set.retain(|&k| k % 2 == 0);
/// assert!(set.iter().eq([2, 4, 6].iter()));
/// ```
#[unstable(feature = "btree_retain", issue = "79025")]
#[stable(feature = "btree_retain", since = "1.53.0")]
pub fn retain<F>(&mut self, mut f: F)
where
T: Ord,

2
library/core/src/fmt/mod.rs
View File

@ -2268,7 +2268,7 @@ impl<T: ?Sized + Debug> Debug for RefMut<'_, T> {
}
#[stable(feature = "core_impl_debug", since = "1.9.0")]
impl<T: ?Sized + Debug> Debug for UnsafeCell<T> {
impl<T: ?Sized> Debug for UnsafeCell<T> {
fn fmt(&self, f: &mut Formatter<'_>) -> Result {
f.pad("UnsafeCell")
}

8
library/core/src/time.rs
View File

@ -124,14 +124,13 @@ impl Duration {
/// # Examples
///
/// ```
/// #![feature(duration_zero)]
/// use std::time::Duration;
///
/// let duration = Duration::ZERO;
/// assert!(duration.is_zero());
/// assert_eq!(duration.as_nanos(), 0);
/// ```
#[unstable(feature = "duration_zero", issue = "73544")]
#[stable(feature = "duration_zero", since = "1.53.0")]
pub const ZERO: Duration = Duration::from_nanos(0);
/// The maximum duration.
@ -269,7 +268,6 @@ impl Duration {
/// # Examples
///
/// ```
/// #![feature(duration_zero)]
/// use std::time::Duration;
///
/// assert!(Duration::ZERO.is_zero());
@ -281,7 +279,8 @@ impl Duration {
/// assert!(!Duration::from_nanos(1).is_zero());
/// assert!(!Duration::from_secs(1).is_zero());
/// ```
#[unstable(feature = "duration_zero", issue = "73544")]
#[stable(feature = "duration_zero", since = "1.53.0")]
#[rustc_const_stable(feature = "duration_zero", since = "1.53.0")]
#[inline]
pub const fn is_zero(&self) -> bool {
self.secs == 0 && self.nanos == 0
@ -536,7 +535,6 @@ impl Duration {
/// # Examples
///
/// ```
/// #![feature(duration_zero)]
/// use std::time::Duration;
///
/// assert_eq!(Duration::new(0, 1).saturating_sub(Duration::new(0, 0)), Duration::new(0, 1));

1
library/core/tests/lib.rs
View File

@ -24,7 +24,6 @@
#![feature(div_duration)]
#![feature(duration_consts_2)]
#![feature(duration_constants)]
#![feature(duration_zero)]
#![feature(exact_size_is_empty)]
#![feature(extern_types)]
#![feature(flt2dec)]

1
library/std/src/lib.rs
View File

@ -261,7 +261,6 @@
#![cfg_attr(not(bootstrap), feature(doc_notable_trait))]
#![feature(dropck_eyepatch)]
#![feature(duration_constants)]
#![feature(duration_zero)]
#![feature(edition_panic)]
#![feature(exact_size_is_empty)]
#![feature(exhaustive_patterns)]

9
src/test/ui/const-generics/diagnostics.stderr
View File

@ -31,9 +31,12 @@ error[E0747]: type provided when a constant was expected
--> $DIR/diagnostics.rs:12:19
|
LL | impl<N> Foo for B<N> {}
| - ^
| |
| help: consider changing this type paramater to a `const`-generic: `const N: u8`
| ^
|
help: consider changing this type parameter to be a `const` generic
|
LL | impl<const N: u8> Foo for B<N> {}
| ^^^^^^^^^^^
error[E0747]: unresolved item provided when a constant was expected
--> $DIR/diagnostics.rs:16:32

9
src/test/ui/parser/issue-84117.rs Normal file
View File

@ -0,0 +1,9 @@
fn main() {
let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
//~^ ERROR expected one of `>`, a const expression
//~| ERROR expected one of `>`, a const expression, lifetime, or type, found `}`
//~| ERROR expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
//~| ERROR expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
//~| ERROR expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
}
//~^ ERROR expected one of `,`, `:`, `=`, or `>`, found `}`

49
src/test/ui/parser/issue-84117.stderr Normal file
View File

@ -0,0 +1,49 @@
error: expected one of `>`, a const expression, lifetime, or type, found `}`
--> $DIR/issue-84117.rs:2:67
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ------------ ^ expected one of `>`, a const expression, lifetime, or type
| | |
| | help: use `=` if you meant to assign
| while parsing the type for `inner_local`
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
--> $DIR/issue-84117.rs:2:65
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ^ expected one of 7 possible tokens
error: expected one of `,`, `:`, `=`, or `>`, found `}`
--> $DIR/issue-84117.rs:8:1
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ------------ help: use `=` if you meant to assign - expected one of `,`, `:`, `=`, or `>`
| |
| while parsing the type for `outer_local`
...
LL | }
| ^ unexpected token
error: expected one of `>`, a const expression, lifetime, or type, found `}`
--> $DIR/issue-84117.rs:2:67
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ------------ ^ expected one of `>`, a const expression, lifetime, or type
| | |
| | help: use `=` if you meant to assign
| while parsing the type for `inner_local`
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
--> $DIR/issue-84117.rs:2:65
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ^ expected one of 7 possible tokens
error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, or an operator, found `,`
--> $DIR/issue-84117.rs:2:33
|
LL | let outer_local:e_outer<&str, { let inner_local:e_inner<&str, }
| ^ expected one of 7 possible tokens
error: aborting due to 6 previous errors