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add known-bug test for coroutine 'static-yields-non-'static unsoundness (#144442)#156170

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inq:add-known-bug-test-144442
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add known-bug test for coroutine 'static-yields-non-'static unsoundness (#144442)#156170
inq wants to merge 1 commit intorust-lang:mainfrom
inq:add-known-bug-test-144442

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@inq inq commented May 5, 2026

Add a known-bug regression test for #144442 ("Unsoundness due to 'static coroutines that yield non-'static values").

Existing known-bug tests:

- tests/ui/closures/static-closures-with-nonstatic-return.rs
- tests/ui/implied-bounds/dyn-erasure-tait.rs
- tests/ui/implied-bounds/dyn-erasure-no-tait.rs

Verified in Darwin: running the compiled binary segfaults on current main, so the bug is still present.

@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 May 5, 2026
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rustbot commented May 5, 2026

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Could you fix this? #156170 (comment)

Coroutine variant of the closure / impl Fn 'static unsoundness family.
References in PR description.
@inq inq force-pushed the add-known-bug-test-144442 branch from ec784e1 to 227a289 Compare May 5, 2026 10:47
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inq commented May 5, 2026

Oops sorry for this! Thank you!

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rust-bors Bot commented May 6, 2026

📌 Commit 227a289 has been approved by JohnTitor

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 May 6, 2026
jhpratt added a commit to jhpratt/rust that referenced this pull request May 6, 2026
…ohnTitor

add known-bug test for coroutine 'static-yields-non-'static unsoundness (rust-lang#144442)

Add a `known-bug` regression test for [rust-lang#144442 ("Unsoundness due to 'static coroutines that yield non-'static values").](rust-lang#144442)

Existing known-bug tests:
```
- tests/ui/closures/static-closures-with-nonstatic-return.rs
- tests/ui/implied-bounds/dyn-erasure-tait.rs
- tests/ui/implied-bounds/dyn-erasure-no-tait.rs
```

Verified in Darwin: running the compiled binary segfaults on current main, so the bug is still present.
rust-bors Bot pushed a commit that referenced this pull request May 6, 2026
Rollup of 15 pull requests

Successful merges:

 - #151122 (fix: more descriptive error message for enum to integer)
 - #155341 (generic_const_args: allow paths to non type consts)
 - #156062 (Added command-line argument support for `wasm32-wali-linux-musl`)
 - #156159 ([AIX] add -bdbg:namedsects:ss link arg)
 - #156174 (Wasm: remove implicit `__heap_base`/`__data_end` exports)
 - #156186 (fix: remap ci-llvm debug paths via `-ffile-prefix-map`)
 - #156193 (port `rustc_ast*` crates from `box_` to `deref_patterns`)
 - #156201 (Don't run ui-fulldeps tests twice in stage 1)
 - #155808 (Always use `ConstFn` context for `const` closures)
 - #156105 (interpret: correctly deal with repr(transparent) enums)
 - #156148 (Use `all_impls` instead of handrolling it)
 - #156156 (Adjust getMCSubtargetInfo signature for LLVM 23+)
 - #156170 (add known-bug test for coroutine 'static-yields-non-'static unsoundness (#144442))
 - #156195 (Move tests codegen)
 - #156205 (move generalization test)
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