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tests/ui/async-await/gat-is-send-across-await.rs: New regression test#154179

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Enselic:gat-is-send-across-await
Mar 24, 2026
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tests/ui/async-await/gat-is-send-across-await.rs: New regression test#154179
rust-bors[bot] merged 1 commit intorust-lang:mainfrom
Enselic:gat-is-send-across-await

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@Enselic Enselic commented Mar 21, 2026

The test began passing in nightly-2025-10-16. Probably by c50aebb (#144064) because it fixed two "does not live long enough" errors. The test fails to compile with nightly-2025-10-15 with such an error:

$ rustc +nightly-2025-10-15 --edition 2018 tests/ui/async-await/gat-is-send-across-await.rs
error: `impl G` does not live long enough
  --> tests/ui/async-await/gat-is-send-across-await.rs:16:24
   |
16 |       let _: &dyn Send = &async move {
   |  ________________________^
17 | |         let _gat = g.as_gat();
18 | |         async{}.await
19 | |     };
   | |_____^

Closes #111852 since that's where the test comes from.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Mar 21, 2026
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The test began passing in `nightly-2025-10-16`. Probably by c50aebb
because it fixed two "does not live long enough" errors. The test fails
to compile with `nightly-2025-10-15` with such an error:

    $ rustc +nightly-2025-10-15 --edition 2018 tests/ui/async-await/gat-is-send-across-await.rs
    error: `impl G` does not live long enough
      --> tests/ui/async-await/gat-is-send-across-await.rs:16:24
       |
    16 |       let _: &dyn Send = &async move {
       |  ________________________^
    17 | |         let _gat = g.as_gat();
    18 | |         async{}.await
    19 | |     };
       | |_____^
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@bors r+ rollup

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rust-bors bot commented Mar 23, 2026

📌 Commit aed54f2 has been approved by petrochenkov

It is now in the queue for this repository.

@rust-bors rust-bors bot added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 23, 2026
JonathanBrouwer added a commit to JonathanBrouwer/rust that referenced this pull request Mar 23, 2026
…r=petrochenkov

tests/ui/async-await/gat-is-send-across-await.rs: New regression test

The test began passing in `nightly-2025-10-16`. Probably by c50aebb (rust-lang#144064) because it fixed two "does not live long enough" errors. The test fails to compile with `nightly-2025-10-15` with such an error:

    $ rustc +nightly-2025-10-15 --edition 2018 tests/ui/async-await/gat-is-send-across-await.rs
    error: `impl G` does not live long enough
      --> tests/ui/async-await/gat-is-send-across-await.rs:16:24
       |
    16 |       let _: &dyn Send = &async move {
       |  ________________________^
    17 | |         let _gat = g.as_gat();
    18 | |         async{}.await
    19 | |     };
       | |_____^

Closes rust-lang#111852 since that's where the test comes from.
rust-bors bot pushed a commit that referenced this pull request Mar 23, 2026
…uwer

Rollup of 8 pull requests

Successful merges:

 - #122668 (Add APIs for dealing with titlecase)
 - #153041 (Remove `ATTRIBUTE_ORDER`)
 - #153912 (Avoid prematurely choosing a glob import)
 - #154093 (const validity checking: do not recurse to references inside MaybeDangling)
 - #154257 (Revert eagerly normalize in generalize)
 - #154179 (tests/ui/async-await/gat-is-send-across-await.rs: New regression test)
 - #154224 (Remove more `BuiltinLintDiag` variants)
 - #154245 (Allow applying autodiff macros to trait functions.)
@rust-bors rust-bors bot merged commit e158c29 into rust-lang:main Mar 24, 2026
11 checks passed
@rustbot rustbot added this to the 1.96.0 milestone Mar 24, 2026
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