update Miri #104051
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update Miri #104051
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explain how to go back to rustup-managed Miri Fixes rust-lang/miri#2633
./miri updates: toolchain, rustc-push, rustc-pull This merges the `./rustup-toolchain` script into `./miri` as `./miri toolchain`, and adds two new commands for josh-based syncing. r? `@rust-lang/miri`
Stacked Borrows: make scalar field retagging the default I think it is time to finally close this soundness gap. Any objections? :) Unfortunately the latest released versions of hashbrown and scopeguard can fail under full field retagging. The fixes have landed in the git repos but have not been released yet. I don't know if scalar field retagging as enabled by this PR is sufficient to cause problems with these crates, but it seems likely that this would be the case -- e.g. if both `value` and `dropfn` are scalars, the entire scopeguard struct will be a `ScalarPair` and thus get field retagging. However, given that we actually generate LLVM `noalias` for these cases, it seems prudent to inform users of this risk. They can easily set `-Zmiri-field-retag=none` to opt-out of this change. Cc rust-lang/miri#2528
Fix dupe word typos
…Jung Followup for pr 2640 r? `@RalfJung`
fix ./miri bench Fixes rust-lang/miri#2643
InitOnce: synchronize with completion when already complete The completion of an InitOnce happens-before the threads waiting on it wake up. However, this is not the case for threads that call `InitOnceBeginInitialize` after the completion, leading to data races and outdated weak memory loads as observed in the CI for rust-lang#2638. This PR fixes this.
Implement condvars for Windows Adds 3 shims for Windows: `SleepConditionVariableSRW`, `WakeConditionVariable`, `WakeAllConditionVariable` to add support for condvars (which fixes rust-lang#2628). Salvaged from what was removed from rust-lang#2231
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…earth Rollup of 8 pull requests Successful merges: - rust-lang#95292 (Allow specialized const trait impls.) - rust-lang#100386 (Make `Sized` coinductive, again) - rust-lang#102215 (Implement the `+whole-archive` modifier for `wasm-ld`) - rust-lang#103468 (Fix unused lint and parser caring about spaces to won't produce invalid code) - rust-lang#103531 (Suggest calling the instance method of the same name when method not found) - rust-lang#103960 (piece of diagnostic migrate) - rust-lang#104051 (update Miri) - rust-lang#104129 (rustdoc: use javascript to layout notable traits popups) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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update Miri Notable PRs: - rust-lang/miri#2636 - rust-lang/miri#2641 - rust-lang/miri#2638
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Jan 6, 2023
…earth Rollup of 8 pull requests Successful merges: - rust-lang#95292 (Allow specialized const trait impls.) - rust-lang#100386 (Make `Sized` coinductive, again) - rust-lang#102215 (Implement the `+whole-archive` modifier for `wasm-ld`) - rust-lang#103468 (Fix unused lint and parser caring about spaces to won't produce invalid code) - rust-lang#103531 (Suggest calling the instance method of the same name when method not found) - rust-lang#103960 (piece of diagnostic migrate) - rust-lang#104051 (update Miri) - rust-lang#104129 (rustdoc: use javascript to layout notable traits popups) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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