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Revert "Implement allow-by-default `multiple_supertrait_upcastable` lint" This is a clean revert of #105484. I confirmed that reverting that PR fixes the regression reported in #106247. ~~I can't say I understand what this code is doing, but maybe it can be re-landed with a different implementation.~~ **Edit:** https://github.com/rust-lang/rust/issues/106247#issuecomment-1367174384 has an explanation of why #105484 ends up surfacing spurious `where_clause_object_safety` errors. The implementation of `where_clause_object_safety` assumes we only check whether a trait is object safe when somebody actually uses that trait with `dyn`. However the implementation of `multiple_supertrait_upcastable` added in the problematic PR involves checking *every* trait for whether it is object-safe. FYI `@nbdd0121` `@compiler-errors` |
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| .. | ||
| nonstandard_style | ||
| array_into_iter.rs | ||
| builtin.rs | ||
| context.rs | ||
| deref_into_dyn_supertrait.rs | ||
| early.rs | ||
| enum_intrinsics_non_enums.rs | ||
| errors.rs | ||
| expect.rs | ||
| for_loops_over_fallibles.rs | ||
| hidden_unicode_codepoints.rs | ||
| internal.rs | ||
| late.rs | ||
| let_underscore.rs | ||
| levels.rs | ||
| lib.rs | ||
| methods.rs | ||
| non_ascii_idents.rs | ||
| non_fmt_panic.rs | ||
| nonstandard_style.rs | ||
| noop_method_call.rs | ||
| opaque_hidden_inferred_bound.rs | ||
| pass_by_value.rs | ||
| passes.rs | ||
| redundant_semicolon.rs | ||
| tests.rs | ||
| traits.rs | ||
| types.rs | ||
| unused.rs | ||