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Auto merge of #104833 - Swatinem:async-identity-future, r=compiler-errors

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Remove `identity_future` indirection

This was previously needed because the indirection used to hide some unexplained lifetime errors, which it turned out were related to the `min_choice` algorithm.

Removing the indirection also solves a couple of cycle errors, large moves and makes async blocks support the `#[track_caller]`annotation.

Fixes https://github.com/rust-lang/rust/issues/104826.
This commit is contained in:
bors 2023-03-14 10:12:58 +00:00
commit 669e751639
32 changed files with 149 additions and 361 deletions
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compiler/rustc_hir/src/lang_items.rs
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@ -296,7 +296,6 @@ language_item_table! {
// FIXME(swatinem): the following lang items are used for async lowering and
// should become obsolete eventually.
ResumeTy, sym::ResumeTy, resume_ty, Target::Struct, GenericRequirement::None;
IdentityFuture, sym::identity_future, identity_future_fn, Target::Fn, GenericRequirement::None;
GetContext, sym::get_context, get_context_fn, Target::Fn, GenericRequirement::None;
Context, sym::Context, context, Target::Struct, GenericRequirement::None;