bjoernager/rust
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Guard AliasTy creation against passing the wrong number of substs

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This commit is contained in:
Oli Scherer 2022-12-13 10:25:21 +00:00
parent 7bdda8f801
commit fef872a875
9 changed files with 35 additions and 38 deletions
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2
compiler/rustc_hir_analysis/src/astconv/mod.rs
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@ -1146,7 +1146,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o {
debug!(?substs_trait_ref_and_assoc_item);
ty::AliasTy { def_id: assoc_item.def_id, substs: substs_trait_ref_and_assoc_item }
self.tcx().mk_alias_ty(assoc_item.def_id, substs_trait_ref_and_assoc_item)
});
if !speculative {

5
compiler/rustc_hir_analysis/src/check/compare_method.rs
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@ -1746,10 +1746,7 @@ pub fn check_type_bounds<'tcx>(
_ => predicates.push(
ty::Binder::bind_with_vars(
ty::ProjectionPredicate {
projection_ty: ty::AliasTy {
def_id: trait_ty.def_id,
substs: rebased_substs,
},
projection_ty: tcx.mk_alias_ty(trait_ty.def_id, rebased_substs),
term: impl_ty_value.into(),
},
bound_vars,