Auto merge of rust-lang#95506 - Dylan-DPC:rollup-b6kxzjc, r=Dylan-DPC

Rollup of 5 pull requests

Successful merges:

 - rust-lang#95130 (Stabilize thread::is_finished)
 - rust-lang#95263 (Restore `impl Future<Output = Type>` to async blocks)
 - rust-lang#95471 (Don't ICE when opaque types get their hidden type constrained again.)
 - rust-lang#95491 (Stabilize feature vec_retain_mut on Vec and VecDeque)
 - rust-lang#95497 (Spellchecking compiler comments)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

compiler/rustc_ast/src/tokenstream.rs

@@ -295,7 +295,7 @@ impl AttrAnnotatedTokenStream {
 ///
 /// For example, `#[cfg(FALSE)] struct Foo {}` would
 /// have an `attrs` field containing the `#[cfg(FALSE)]` attr,
-/// and a `tokens` field storing the (unparesd) tokens `struct Foo {}`
+/// and a `tokens` field storing the (unparsed) tokens `struct Foo {}`
 #[derive(Clone, Debug, Encodable, Decodable)]
 pub struct AttributesData {
     /// Attributes, both outer and inner.

compiler/rustc_borrowck/src/type_check/relate_tys.rs

@@ -158,7 +158,7 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx>
                         .infcx
                         .handle_opaque_type(a, b, a_is_expected, &cause, param_env)?
                         .obligations,
-                    // These fields are filled in during exectuion of the operation
+                    // These fields are filled in during execution of the operation
                     base_universe: None,
                     region_constraints: None,
                 },

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -779,7 +779,7 @@ pub fn compute_per_cgu_lto_type(
     // we'll encounter later.
     let is_allocator = module_kind == ModuleKind::Allocator;
 
-    // We ignore a request for full crate grath LTO if the cate type
+    // We ignore a request for full crate graph LTO if the crate type
     // is only an rlib, as there is no full crate graph to process,
     // that'll happen later.
     //

compiler/rustc_expand/src/mbe/transcribe.rs

@@ -35,7 +35,7 @@ enum Frame {
 impl Frame {
     /// Construct a new frame around the delimited set of tokens.
     fn new(mut tts: Vec<mbe::TokenTree>) -> Frame {
-        // Need to add empty delimeters.
+        // Need to add empty delimiters.
         let open_tt = mbe::TokenTree::token(token::OpenDelim(token::NoDelim), DUMMY_SP);
         let close_tt = mbe::TokenTree::token(token::CloseDelim(token::NoDelim), DUMMY_SP);
         tts.insert(0, open_tt);
@@ -210,7 +210,7 @@ pub(super) fn transcribe<'a>(
                                 ));
                             }
                         } else {
-                            // 0 is the initial counter (we have done 0 repretitions so far). `len`
+                            // 0 is the initial counter (we have done 0 repetitions so far). `len`
                             // is the total number of repetitions we should generate.
                             repeats.push((0, len));
 

compiler/rustc_index/src/bit_set.rs

@@ -1717,7 +1717,7 @@ impl<R: Idx, C: Idx> SparseBitMatrix<R, C> {
         if let Some(Some(row)) = self.rows.get(row) { Some(row) } else { None }
     }
 
-    /// Interescts `row` with `set`. `set` can be either `BitSet` or
+    /// Intersects `row` with `set`. `set` can be either `BitSet` or
     /// `HybridBitSet`. Has no effect if `row` does not exist.
     ///
     /// Returns true if the row was changed.

compiler/rustc_infer/src/infer/canonical/query_response.rs

@@ -2,7 +2,7 @@
 //! in particular to extract out the resulting region obligations and
 //! encode them therein.
 //!
-//! For an overview of what canonicaliation is and how it fits into
+//! For an overview of what canonicalization is and how it fits into
 //! rustc, check out the [chapter in the rustc dev guide][c].
 //!
 //! [c]: https://rust-lang.github.io/chalk/book/canonical_queries/canonicalization.html

compiler/rustc_infer/src/infer/error_reporting/mod.rs

@@ -1164,7 +1164,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                     let len = sub1.len() - common_default_params;
                     let consts_offset = len - sub1.consts().count();
 
-                    // Only draw `<...>` if there're lifetime/type arguments.
+                    // Only draw `<...>` if there are lifetime/type arguments.
                     if len > 0 {
                         values.0.push_normal("<");
                         values.1.push_normal("<");
@@ -1245,7 +1245,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                     }
 
                     // Close the type argument bracket.
-                    // Only draw `<...>` if there're lifetime/type arguments.
+                    // Only draw `<...>` if there are lifetime/type arguments.
                     if len > 0 {
                         values.0.push_normal(">");
                         values.1.push_normal(">");
@@ -1857,7 +1857,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                     })
                     .transpose();
                 if output.is_some() {
-                    // We don't account for multiple `Future::Output = Ty` contraints.
+                    // We don't account for multiple `Future::Output = Ty` constraints.
                     return output;
                 }
             }

compiler/rustc_infer/src/infer/lattice.rs

@@ -83,7 +83,7 @@ where
         // But if we did in reverse order, we would create a `v <:
         // LHS` (or vice versa) constraint and then instantiate
         // `v`. This would require further processing to achieve same
-        // end-result; in partiular, this screws up some of the logic
+        // end-result; in particular, this screws up some of the logic
         // in coercion, which expects LUB to figure out that the LHS
         // is (e.g.) `Box<i32>`. A more obvious solution might be to
         // iterate on the subtype obligations that are returned, but I

compiler/rustc_infer/src/infer/mod.rs

@@ -343,7 +343,7 @@ pub struct InferCtxt<'a, 'tcx> {
 
     /// Track how many errors were reported when this infcx is created.
     /// If the number of errors increases, that's also a sign (line
-    /// `tained_by_errors`) to avoid reporting certain kinds of errors.
+    /// `tainted_by_errors`) to avoid reporting certain kinds of errors.
     // FIXME(matthewjasper) Merge into `tainted_by_errors_flag`
     err_count_on_creation: usize,
 

compiler/rustc_infer/src/infer/nll_relate/mod.rs

@@ -550,7 +550,7 @@ where
         }
 
         if a == b {
-            // Subtle: if a or b has a bound variable that we are lazilly
+            // Subtle: if a or b has a bound variable that we are lazily
             // substituting, then even if a == b, it could be that the values we
             // will substitute for those bound variables are *not* the same, and
             // hence returning `Ok(a)` is incorrect.