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Consider disabling ahash-compile-time-rng by default #149

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dtolnay opened this issue Mar 30, 2020 · 1 comment

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dtolnay commented Mar 30, 2020

Just registering https://rust-lang.zulipchat.com/#narrow/stream/146212-t-compiler.2Fconst-eval/topic/Determinism.20in.20const.20eval/near/192178710.

@Amanieu is considering just disabling the "ahash-compile-time-rng" feature by default since so many people are complaining about it...

As one data point, apparently libstd already opts out of compile-time-rng. https://github.com/rust-lang/rust/blob/1.42.0/src/libstd/Cargo.toml#L26

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Amanieu commented May 15, 2020

This was done in #155.

Amanieu closed this as completed

Fuuzetsu mentioned this issue

using ahash compile-time-rng kills reproducible builds apache/arrow-rs#3271

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