Don't try to add nested predicate to Rustdoc auto-trait ParamEnv
#80254
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Fixes rust-lang#80233 We already have logic in `evaluate_predicates` that tries to add unimplemented predicates to our `ParamEnv`. Trying to add a predicate that already holds can lead to errors later on, since projection will prefer trait candidates from the `ParamEnv` to predicates from an impl.
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…=estebank Don't try to add nested predicate to Rustdoc auto-trait `ParamEnv` Fixes rust-lang#80233 We already have logic in `evaluate_predicates` that tries to add unimplemented predicates to our `ParamEnv`. Trying to add a predicate that already holds can lead to errors later on, since projection will prefer trait candidates from the `ParamEnv` to predicates from an impl.
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⌛ Testing commit f2d7c05 with merge 6be73f587b2ad18c09ecdc840d5495b8155d6ced... |
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@bors retry rolledup |
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Rollup of 5 pull requests Successful merges: - rust-lang#80254 (Don't try to add nested predicate to Rustdoc auto-trait `ParamEnv`) - rust-lang#80834 (Remove unreachable panics from VecDeque::{front/back}[_mut]) - rust-lang#80944 (Use Option::map_or instead of `.map(..).unwrap_or(..)`) - rust-lang#81008 (Don't ICE when computing a layout of a generator tainted by errors) - rust-lang#81023 (Remove doctree::Variant) Failed merges: - rust-lang#81033 (Remove useless `clean::Variant` struct) r? `@ghost` `@rustbot` modify labels: rollup
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Fixes #80233
We already have logic in
evaluate_predicatesthat tries to addunimplemented predicates to our
ParamEnv. Trying to add a predicatethat already holds can lead to errors later on, since projection
will prefer trait candidates from the
ParamEnvto predicates from animpl.