Don't leak unnameable types in -> _ recover
#123931
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| // Test variance computation doesn't explode when we leak unnameable | ||
| // types due to `-> _` recovery. | ||
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| pub struct Type<'a>(&'a ()); |
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It's funny how we need this unused struct to trigger the bug because it's necessary to trigger the variance computation.
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@bors r+ rollup |
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…es, r=fmease Don't leak unnameable types in `-> _` recover Fixes rust-lang#123899
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Rollup of 12 pull requests Successful merges: - rust-lang#123423 (Distribute LLVM bitcode linker as a preview component) - rust-lang#123548 (libtest: also measure time in Miri) - rust-lang#123666 (Fix some typos in doc) - rust-lang#123864 (Remove a HACK by instead inferring opaque types during expected/formal type checking) - rust-lang#123896 (Migrate some diagnostics in `rustc_resolve` to session diagnostic) - rust-lang#123919 (builtin-derive: tag → discriminant) - rust-lang#123922 (Remove magic constants when using `base_n`.) - rust-lang#123931 (Don't leak unnameable types in `-> _` recover) - rust-lang#123933 (move the LargeAssignments lint logic into its own file) - rust-lang#123934 (`rustc_data_structures::graph` mini refactor) - rust-lang#123941 (Fix UB in LLVM FFI when passing zero or >1 bundle) - rust-lang#123957 (disable create_dir_all_bare test on all(miri, windows)) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#123931 - compiler-errors:variance-unnameables, r=fmease Don't leak unnameable types in `-> _` recover Fixes rust-lang#123899
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Fixes #123899