Fix unsoundness in bootstrap cache code #105624
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Dec 12, 2022
| let l = T::intern_cache().lock().unwrap(); | ||
| unsafe { mem::transmute::<&U, &'static U>(l.get(*self).as_ref()) } | ||
| unsafe { mem::transmute::<&U, &U>(l.get(*self).as_ref()) } |
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We still need to unsafely transmute the lifetime from the temporary borrow on this line to the &self lifetime in the signature.
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@bors r+ I want to rip out all this interning code at some point and use a library instead, but this a good change in the meantime, thanks. |
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Dec 14, 2022
…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#105399 (Use more LFS functions.) - rust-lang#105578 (Fix transmutes between pointers in different address spaces (e.g. fn ptrs on AVR)) - rust-lang#105598 (explain mem::forget(env_lock) in fork/exec) - rust-lang#105624 (Fix unsoundness in bootstrap cache code) - rust-lang#105630 (Add a test for rust-lang#92481) - rust-lang#105684 (Improve rustdoc markdown variable naming) - rust-lang#105697 (Remove fee1-dead from reviewers) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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I guess it missed the mark and the nomination can probably be now deleted @rustbot label -stable-nominated |
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I'm unilaterally approving this for stable backport, to ensure it gets into the next point release for 1.67. @rustbot label: stable-accepted |
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Feb 7, 2023
…crum Release 1.67.1 - Revert back to LlvmArchiveBuilder on all platforms rust-lang#107360 - 🚨 fix unsoundness in bootstrap cache code rust-lang#105624 - Mark uninlined_format_args as pedantic rust-lang/rust-clippy#10265 - Revert "switch to the macos-12-xl builder" rust-lang#107574 r? `@Mark-Simulacrum`
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Feb 12, 2023
Pkgsrc changes: * checksums only. Upstream changes: Version 1.67.1 (2023-02-09) =========================== - [Fix interoperability with thin archives.] (rust-lang/rust#107360) - [Fix an internal error in the compiler build process.] (rust-lang/rust#105624) - [Downgrade `clippy::uninlined_format_args` to pedantic.] (rust-lang/rust-clippy#10265)
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Discovered via #105575, which showed that rustc was failing to build during a perf run.