fix __rust_alloc_error_handler comment#77738
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RalfJung
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Oct 9, 2020
library/alloc/src/alloc.rs
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This attribute leaves me rather uneasy, since the default implementation does unwind... see https://github.com/rust-lang/rust/pull/76448/files#r502291279.
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I have no idea if it is safe or what else could happen. Presumably it will lead to unwinding edges on OOM calls which could have perf impact.
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EDIT (accidently removed): If it is safe, please remove... It was blindly copied.
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I think it's fine to leave the attribute for now.
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haraldh
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Oct 9, 2020
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@bors r+ |
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📌 Commit b6bedc8 has been approved by |
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@bors rollup |
JohnTitor
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Oct 10, 2020
…t, r=Amanieu fix __rust_alloc_error_handler comment `__rust_alloc_error_handler` was added in the same `extern` block as the allocator functions, but the comment there was not actually correct for `__rust_alloc_error_handler`. So move it down to the rest of the default allocator handling with a fixed comment. At least the comment reflects my understanding of what happens, please check carefully. :) r? @Amanieu Cc @haraldh
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Rollup of 10 pull requests Successful merges: - rust-lang#77195 (Link to documentation-specific guidelines.) - rust-lang#77629 (Cleanup of `eat_while()` in lexer) - rust-lang#77709 (Link Vec leak doc to Box) - rust-lang#77738 (fix __rust_alloc_error_handler comment) - rust-lang#77748 (Dead code cleanup in windows-gnu std) - rust-lang#77754 (Add TraitDef::find_map_relevant_impl) - rust-lang#77766 (Clarify the debug-related values should take boolean) - rust-lang#77777 (doc: disambiguate stat in MetadataExt::as_raw_stat) - rust-lang#77782 (Fix typo in error code description) - rust-lang#77787 (Update `changelog-seen` in config.toml.example) Failed merges: r? `@ghost`
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__rust_alloc_error_handlerwas added in the sameexternblock as the allocator functions, but the comment there was not actually correct for__rust_alloc_error_handler. So move it down to the rest of the default allocator handling with a fixed comment. At least the comment reflects my understanding of what happens, please check carefully. :)r? @Amanieu Cc @haraldh