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Rollup merge of #107101 - compiler-errors:perf-106309-1, r=petrochenkov

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Filter param-env predicates for errors before calling `to_opt_poly_trait_pred`

cc #106309 https://github.com/rust-lang/rust/pull/106757#issuecomment-1396616318

r? `@ghost`
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Yuki Okushi 2023-01-23 19:29:59 +09:00 committed by GitHub
commit 17023496a2
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1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs
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@ -174,8 +174,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
.param_env
.caller_bounds()
.iter()
.filter_map(|p| p.to_opt_poly_trait_pred())
.filter(|p| !p.references_error());
.filter(|p| !p.references_error())
.filter_map(|p| p.to_opt_poly_trait_pred());
// Micro-optimization: filter out predicates relating to different traits.
let matching_bounds =