set has_unconstrained_ty_var when generalizing aliases in bivariant contexts
#126022
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changes to the core type system |
compiler-errors
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Jun 5, 2024
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…iaskrgr Rollup of 10 pull requests Successful merges: - rust-lang#124746 (`rustc --explain E0582` additional example) - rust-lang#125407 (Detect when user is trying to create a lending `Iterator` and give a custom explanation) - rust-lang#125505 (Add intra-doc-links to rustc_middle crate-level docs.) - rust-lang#125792 (Don't drop `Unsize` candidate in intercrate mode) - rust-lang#125819 (Various `HirTyLowerer` cleanups) - rust-lang#125861 (rustc_codegen_ssa: fix `get_rpath_relative_to_output` panic when lib only contains file name) - rust-lang#125911 (delete bootstrap build before switching to bumped rustc) - rust-lang#125921 (coverage: Carve out hole spans in a separate early pass) - rust-lang#125940 (std::unix::fs::get_path: using fcntl codepath for netbsd instead.) - rust-lang#126022 (set `has_unconstrained_ty_var` when generalizing aliases in bivariant contexts) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#126022 - lcnr:generalize-alias-bivariant, r=compiler-errors set `has_unconstrained_ty_var` when generalizing aliases in bivariant contexts this previously prevented the `regression-31157` benchmark from building r? `@compiler-errors`
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this previously prevented the
regression-31157benchmark from buildingr? @compiler-errors