Remove ToUniverseInfo impl for CanonicalQueryInput<CustomTypeOp>.

It's unused.
This commit is contained in:
Nicholas Nethercote 2024-10-07 14:34:47 +11:00
parent 7901c03d2d
commit e23bdd68f9

View File

@ -3,7 +3,6 @@ use std::rc::Rc;
use rustc_errors::Diag; use rustc_errors::Diag;
use rustc_hir::def_id::LocalDefId; use rustc_hir::def_id::LocalDefId;
use rustc_infer::infer::canonical::CanonicalQueryInput;
use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData}; use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData};
use rustc_infer::infer::{ use rustc_infer::infer::{
InferCtxt, RegionResolutionError, RegionVariableOrigin, SubregionOrigin, TyCtxtInferExt as _, InferCtxt, RegionResolutionError, RegionVariableOrigin, SubregionOrigin, TyCtxtInferExt as _,
@ -21,7 +20,6 @@ use rustc_span::Span;
use rustc_trait_selection::error_reporting::InferCtxtErrorExt; use rustc_trait_selection::error_reporting::InferCtxtErrorExt;
use rustc_trait_selection::error_reporting::infer::nice_region_error::NiceRegionError; use rustc_trait_selection::error_reporting::infer::nice_region_error::NiceRegionError;
use rustc_trait_selection::traits::ObligationCtxt; use rustc_trait_selection::traits::ObligationCtxt;
use rustc_trait_selection::traits::query::type_op;
use rustc_traits::{type_op_ascribe_user_type_with_span, type_op_prove_predicate_with_cause}; use rustc_traits::{type_op_ascribe_user_type_with_span, type_op_prove_predicate_with_cause};
use tracing::{debug, instrument}; use tracing::{debug, instrument};
@ -117,13 +115,6 @@ impl<'tcx> ToUniverseInfo<'tcx> for CanonicalTypeOpAscribeUserTypeGoal<'tcx> {
} }
} }
impl<'tcx, F> ToUniverseInfo<'tcx> for CanonicalQueryInput<'tcx, type_op::custom::CustomTypeOp<F>> {
fn to_universe_info(self, _base_universe: ty::UniverseIndex) -> UniverseInfo<'tcx> {
// We can't rerun custom type ops.
UniverseInfo::other()
}
}
impl<'tcx> ToUniverseInfo<'tcx> for ! { impl<'tcx> ToUniverseInfo<'tcx> for ! {
fn to_universe_info(self, _base_universe: ty::UniverseIndex) -> UniverseInfo<'tcx> { fn to_universe_info(self, _base_universe: ty::UniverseIndex) -> UniverseInfo<'tcx> {
self self