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I ended up getting confused while trying to flip the variances when flipping the order. Should be all right now
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pls fix ci, r=me
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@bors r=compiler-errors rollup |
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#121434 (Fix rust-lang#121208 fallout) - rust-lang#121471 (When encountering `<&T as Clone>::clone(x)` because `T: Clone`, suggest `#[derive(Clone)]`) - rust-lang#121476 (remove `llvm.assertions=true` in compiler profile) - rust-lang#121479 (fix generalizer unsoundness) - rust-lang#121480 (Fix more rust-lang#121208 fallout) - rust-lang#121482 (Allow for a missing `adt_def` in `NamePrivacyVisitor`.) - rust-lang#121484 (coverage: Use variable name `this` in `CoverageGraph::from_mir`) - rust-lang#121487 (Explicitly call `emit_stashed_diagnostics`.) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#121434 (Fix rust-lang#121208 fallout) - rust-lang#121471 (When encountering `<&T as Clone>::clone(x)` because `T: Clone`, suggest `#[derive(Clone)]`) - rust-lang#121476 (remove `llvm.assertions=true` in compiler profile) - rust-lang#121479 (fix generalizer unsoundness) - rust-lang#121480 (Fix more rust-lang#121208 fallout) - rust-lang#121482 (Allow for a missing `adt_def` in `NamePrivacyVisitor`.) - rust-lang#121484 (coverage: Use variable name `this` in `CoverageGraph::from_mir`) - rust-lang#121487 (Explicitly call `emit_stashed_diagnostics`.) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#121479 - lcnr:fix-generalize, r=compiler-errors fix generalizer unsoundness I ended up getting confused while trying to flip the variances when flipping the order. Should be all right now. This is only exploitable when generalizing if the `ambient_variance` of the relation is `Contravariant`. This can currently only be the case in the NLL generalizer which only rarely generalizes, causing us to miss this regression. Very much an issue with rust-lang#121462 however.
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I ended up getting confused while trying to flip the variances when flipping the order. Should be all right now.
This is only exploitable when generalizing if the
ambient_varianceof the relation isContravariant. This can currently only be the case in the NLL generalizer which only rarely generalizes, causing us to miss this regression. Very much an issue with #121462 however.