Use posix_spawn on musl targets #77432
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The posix_spawn had been available in a form suitable for use in a Command implementation since musl 0.9.12. Use it in a preference to a fork when possible, to benefit from CLONE_VM|CLONE_VFORK used there.
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…as-schievink Rollup of 12 pull requests Successful merges: - rust-lang#76101 (Update RELEASES.md for 1.47.0) - rust-lang#76739 (resolve: prohibit anon const non-static lifetimes) - rust-lang#76811 (Doc alias name restriction) - rust-lang#77405 (Add tracking issue of iter_advance_by feature) - rust-lang#77409 (Add example for iter chain struct) - rust-lang#77415 (Better error message for `async` blocks in a const-context) - rust-lang#77423 (Add `-Zprecise-enum-drop-elaboration`) - rust-lang#77432 (Use posix_spawn on musl targets) - rust-lang#77441 (Fix AVR stack corruption bug) - rust-lang#77442 (Clean up on example doc fixes for ptr::copy) - rust-lang#77444 (Fix span for incorrect pattern field and add label) - rust-lang#77453 (Stop running macOS builds on Azure Pipelines) Failed merges: r? `@ghost`
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The posix_spawn had been available in a form suitable for use in a
Command implementation since musl 0.9.12. Use it in a preference to a
fork when possible, to benefit from CLONE_VM|CLONE_VFORK used there.