Michael Goulet 5b74a33b8d Rollup merge of #106248 - dtolnay:revertupcastlint, r=jackh726 ... 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`		2022-12-30 21:26:34 -08:00
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src	Rollup merge of #106248 - dtolnay:revertupcastlint, r=jackh726	2022-12-30 21:26:34 -08:00
Cargo.toml	Bump cfg-if to 1.0	2022-12-20 13:03:45 +00:00