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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:26:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-06-19 09:26:03 +0000
commit9918693037dce8aa4bb6f08741b6812923486c18 (patch)
tree21d2b40bec7e6a7ea664acee056eb3d08e15a1cf /compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs
parentReleasing progress-linux version 1.75.0+dfsg1-5~progress7.99u1. (diff)
downloadrustc-9918693037dce8aa4bb6f08741b6812923486c18.tar.xz
rustc-9918693037dce8aa4bb6f08741b6812923486c18.zip
Merging upstream version 1.76.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs')
-rw-r--r--compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs50
1 files changed, 0 insertions, 50 deletions
diff --git a/compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs b/compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs
deleted file mode 100644
index 28fe59b7f..000000000
--- a/compiler/rustc_trait_selection/src/solve/project_goals/inherent_projection.rs
+++ /dev/null
@@ -1,50 +0,0 @@
-//! Computes a normalizes-to (projection) goal for inherent associated types,
-//! `#![feature(inherent_associated_type)]`. Since astconv already determines
-//! which impl the IAT is being projected from, we just:
-//! 1. instantiate substs,
-//! 2. equate the self type, and
-//! 3. instantiate and register where clauses.
-use rustc_middle::traits::solve::{Certainty, Goal, QueryResult};
-use rustc_middle::ty;
-
-use super::EvalCtxt;
-
-impl<'tcx> EvalCtxt<'_, 'tcx> {
- pub(super) fn normalize_inherent_associated_type(
- &mut self,
- goal: Goal<'tcx, ty::ProjectionPredicate<'tcx>>,
- ) -> QueryResult<'tcx> {
- let tcx = self.tcx();
- let inherent = goal.predicate.projection_ty;
- let expected = goal.predicate.term.ty().expect("inherent consts are treated separately");
-
- let impl_def_id = tcx.parent(inherent.def_id);
- let impl_substs = self.fresh_args_for_item(impl_def_id);
-
- // Equate impl header and add impl where clauses
- self.eq(
- goal.param_env,
- inherent.self_ty(),
- tcx.type_of(impl_def_id).instantiate(tcx, impl_substs),
- )?;
-
- // Equate IAT with the RHS of the project goal
- let inherent_substs = inherent.rebase_inherent_args_onto_impl(impl_substs, tcx);
- self.eq(
- goal.param_env,
- expected,
- tcx.type_of(inherent.def_id).instantiate(tcx, inherent_substs),
- )
- .expect("expected goal term to be fully unconstrained");
-
- // Check both where clauses on the impl and IAT
- self.add_goals(
- tcx.predicates_of(inherent.def_id)
- .instantiate(tcx, inherent_substs)
- .into_iter()
- .map(|(pred, _)| goal.with(tcx, pred)),
- );
-
- self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)
- }
-}