diff options
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/fulfill.rs | 25 | ||||
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/select/mod.rs | 24 |
2 files changed, 26 insertions, 23 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 6eb02395685..5eb16bcd156 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -492,19 +492,20 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { } ty::PredicateKind::ConstEquate(c1, c2) => { + assert!( + self.selcx.tcx().features().generic_const_exprs, + "`ConstEquate` without a feature gate: {c1:?} {c2:?}", + ); debug!(?c1, ?c2, "equating consts"); - let tcx = self.selcx.tcx(); - if tcx.features().generic_const_exprs { - // FIXME: we probably should only try to unify abstract constants - // if the constants depend on generic parameters. - // - // Let's just see where this breaks :shrug: - if let (ty::ConstKind::Unevaluated(a), ty::ConstKind::Unevaluated(b)) = - (c1.kind(), c2.kind()) - { - if infcx.try_unify_abstract_consts(a, b, obligation.param_env) { - return ProcessResult::Changed(vec![]); - } + // FIXME: we probably should only try to unify abstract constants + // if the constants depend on generic parameters. + // + // Let's just see where this breaks :shrug: + if let (ty::ConstKind::Unevaluated(a), ty::ConstKind::Unevaluated(b)) = + (c1.kind(), c2.kind()) + { + if infcx.try_unify_abstract_consts(a, b, obligation.param_env) { + return ProcessResult::Changed(vec![]); } } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index ddabea700d3..9ebff489201 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -676,19 +676,21 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } ty::PredicateKind::ConstEquate(c1, c2) => { + assert!( + self.tcx().features().generic_const_exprs, + "`ConstEquate` without a feature gate: {c1:?} {c2:?}", + ); debug!(?c1, ?c2, "evaluate_predicate_recursively: equating consts"); - if self.tcx().features().generic_const_exprs { - // FIXME: we probably should only try to unify abstract constants - // if the constants depend on generic parameters. - // - // Let's just see where this breaks :shrug: - if let (ty::ConstKind::Unevaluated(a), ty::ConstKind::Unevaluated(b)) = - (c1.kind(), c2.kind()) - { - if self.infcx.try_unify_abstract_consts(a, b, obligation.param_env) { - return Ok(EvaluatedToOk); - } + // FIXME: we probably should only try to unify abstract constants + // if the constants depend on generic parameters. + // + // Let's just see where this breaks :shrug: + if let (ty::ConstKind::Unevaluated(a), ty::ConstKind::Unevaluated(b)) = + (c1.kind(), c2.kind()) + { + if self.infcx.try_unify_abstract_consts(a, b, obligation.param_env) { + return Ok(EvaluatedToOk); } } |