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Remove a_is_expected from combine relations

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Michael Goulet 2024-02-26 20:42:09 +00:00
parent 61daee66a8
commit 04e22627f5
9 changed files with 75 additions and 135 deletions
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compiler/rustc_borrowck/src/type_check/relate_tys.rs
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@ -120,7 +120,6 @@ impl<'me, 'bccx, 'tcx> NllTypeRelating<'me, 'bccx, 'tcx> {
fn relate_opaques(&mut self, a: Ty<'tcx>, b: Ty<'tcx>) -> RelateResult<'tcx, ()> {
let infcx = self.type_checker.infcx;
debug_assert!(!infcx.next_trait_solver());
let (a, b) = if self.a_is_expected() { (a, b) } else { (b, a) };
// `handle_opaque_type` cannot handle subtyping, so to support subtyping
// we instead eagerly generalize here. This is a bit of a mess but will go
// away once we're using the new solver.