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Warn on inductive cycle in coherence leading to impls being considered not overlapping This PR implements a `coinductive_overlap_in_coherence` lint (#114040), which warns users against cases where two impls are considered **not** to overlap during coherence due to an inductive cycle disproving one of the predicates after unifying the two impls. Cases where this lint fires will become an overlap error if we ever move to coinduction, so I'd like to make this a warning to avoid having more crates take advantage of this behavior in the mean time. Also, since the new trait solver treats inductive cycles as ambiguity, not an error, this is a blocker for landing the new trait solver in coherence. |
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| codegen | ||
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| incremental | ||
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| pretty | ||
| run-coverage | ||
| run-coverage-rustdoc | ||
| run-make | ||
| run-make-fulldeps | ||
| run-pass-valgrind | ||
| rustdoc | ||
| rustdoc-gui | ||
| rustdoc-js | ||
| rustdoc-js-std | ||
| rustdoc-json | ||
| rustdoc-ui | ||
| ui | ||
| ui-fulldeps | ||
| COMPILER_TESTS.md | ||