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| author | bors <bors@rust-lang.org> | 2022-10-21 20:59:03 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-10-21 20:59:03 +0000 |
| commit | 5c8bff74bc1c52bef0c79f3689bb227f51f3e82d (patch) | |
| tree | 2a7a76815d9db8695c48e24f3be754628627b65d /compiler/rustc_plugin_impl/src/errors.rs | |
| parent | 57e2c06a8df3187980801962015a88657abd033d (diff) | |
| parent | efe61dab2148ff0780a85b045052e898fd800492 (diff) | |
| download | rust-5c8bff74bc1c52bef0c79f3689bb227f51f3e82d.tar.gz rust-5c8bff74bc1c52bef0c79f3689bb227f51f3e82d.zip | |
Auto merge of #101263 - lopopolo:lopopolo/c-unwind-fn-ptr-impls, r=thomcc
Add default trait implementations for "c-unwind" ABI function pointers Following up on #92964, only add default trait implementations for the `c-unwind` family of function pointers. The previous attempt in #92964 added trait implementations for many more ABIs and ran into concerns regarding the increase in size of the libcore rlib. An attempt to abstract away function pointer types behind a unified trait to reduce the duplication of trait impls is being discussed in #99531 but this change looks to be blocked on a lang MCP. Following `@RalfJung's` suggestion in https://github.com/rust-lang/rust/pull/99531#issuecomment-1233440142, this commit is another cut at #92964 but it _only_ adds the impls for `extern "C-unwind" fn` and `unsafe extern "C-unwind" fn`. I am interested in landing this patch to unblock the stabilization of the `c_unwind` feature. RFC: https://github.com/rust-lang/rfcs/pull/2945 Tracking Issue: https://github.com/rust-lang/rust/issues/74990
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