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Rollup merge of #105375 - WaffleLapkin:docfix, r=cjgillot

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Fix an outdated comment mentioning parameter that doesn't exist anymore

I'm not too familiar with the code in question, but from what I see I think the new comment makes sense.

r? `@cjgillot` (you touched these arguments lately https://github.com/rust-lang/rust/pull/91557/files#diff-ad0c15bbde97a607d4758ec7eaf88248be5d6b8ae084dfc84127f81e3f7a9bb4L1702, https://github.com/rust-lang/rust/pull/104048/files#diff-ad0c15bbde97a607d4758ec7eaf88248be5d6b8ae084dfc84127f81e3f7a9bb4L1682)
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Matthias Krüger 2022-12-25 22:14:59 +01:00 committed by GitHub
commit 44065e4184
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1 changed files with 2 additions and 4 deletions
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6
compiler/rustc_ast_lowering/src/lib.rs
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@ -1656,9 +1656,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// Lowers a function declaration.
//
// `decl`: the unlowered (AST) function declaration.
// `fn_def_id`: if `Some`, impl Trait arguments are lowered into generic parameters on the
// given DefId, otherwise impl Trait is disallowed. Must be `Some` if
// `make_ret_async` is also `Some`.
// `fn_node_id`: `impl Trait` arguments are lowered into generic parameters on the given `NodeId`.
// `make_ret_async`: if `Some`, converts `-> T` into `-> impl Future<Output = T>` in the
// return type. This is used for `async fn` declarations. The `NodeId` is the ID of the
// return type `impl Trait` item, and the `Span` points to the `async` keyword.
@ -1789,7 +1787,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
// type OpaqueTy<generics_from_parent_fn> = impl Future<Output = T>;
//
// `output`: unlowered output type (`T` in `-> T`)
// `fn_def_id`: `DefId` of the parent function (used to create child impl trait definition)
// `fn_node_id`: `NodeId` of the parent function (used to create child impl trait definition)
// `opaque_ty_node_id`: `NodeId` of the opaque `impl Trait` type that should be created
#[instrument(level = "debug", skip(self))]
fn lower_async_fn_ret_ty(