Revert "Enable incremental independent of stage" #111982
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This reverts commit 827f656. Incremental is not sound to use across stages. Arbitrary changes to the compiler can invalidate the incremental cache - even changes to normal queries, not incremental itself! - and we do not currently enable `incremental-verify-ich` in bootstrap. Since 2018, we highly recommend and nudge users towards stage 1 builds instead of stage 2, and using `keep-stage` for anything other than libstd is very rare. I don't think the risk of unsoundness is worth the very minor speedup when building libstd. Disable incremental to avoid spurious panics and miscompilations when building with the stage 1 and 2 sysroot.
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…iaskrgr Rollup of 6 pull requests Successful merges: - rust-lang#109093 (add `#[doc(alias="flatmap")]` to `Option::and_then`) - rust-lang#110701 (Fix `x test core` when download-rustc is enabled) - rust-lang#111982 (Revert "Enable incremental independent of stage") - rust-lang#112158 (Add portable-simd mention) - rust-lang#112172 (doc: improve explanation) - rust-lang#112178 (Fix bug where private item with intermediate doc hidden re-export was not inlined) r? `@ghost` `@rustbot` modify labels: rollup
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This reverts commit 827f656.
Incremental is not sound to use across stages. Arbitrary changes to the compiler can invalidate the incremental cache - even changes to normal queries, not incremental itself! - and we do not currently enable
incremental-verify-ichin bootstrap. Since 2018, we highly recommend and nudge users towards stage 1 builds instead of stage 2, and usingkeep-stagefor anything other than libstd is very rare.I don't think the risk of unsoundness is worth the very minor speedup when building libstd. Disable incremental to avoid spurious panics and miscompilations when building with the stage 1 and 2 sysroot.
Combined with #111329, this should fix #76720.
r? @Mark-Simulacrum