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Rollup merge of #123559 - spastorino:match_projection_projections_invariant, r=compiler-errors

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Add a debug asserts call to match_projection_projections to ensure invariant

Small nit as follow up of #123471.

r? `@compiler-errors`

`@bors` rollup=always
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Matthias Krüger 2024-04-07 00:51:27 +02:00 committed by GitHub
commit 7524f5e1b9
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compiler/rustc_trait_selection/src/traits/select/mod.rs
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@ -1732,6 +1732,8 @@ pub(super) fn match_projection_projections(
env_predicate: PolyProjectionPredicate<'tcx>, env_predicate: PolyProjectionPredicate<'tcx>,
potentially_unnormalized_candidates: bool, potentially_unnormalized_candidates: bool,
) -> ProjectionMatchesProjection { ) -> ProjectionMatchesProjection {
debug_assert_eq!(obligation.predicate.def_id, env_predicate.projection_def_id());
let mut nested_obligations = Vec::new(); let mut nested_obligations = Vec::new();
let infer_predicate = self.infcx.instantiate_binder_with_fresh_vars( let infer_predicate = self.infcx.instantiate_binder_with_fresh_vars(
obligation.cause.span, obligation.cause.span,