bjoernager/rust
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Ensure no one constructs AliasTys themselves

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This commit is contained in:
Oli Scherer 2022-12-13 11:07:42 +00:00
parent 4ffe3bdf99
commit a5cd3bde95
50 changed files with 104 additions and 106 deletions
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2
compiler/rustc_middle/src/ty/util.rs
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@ -825,7 +825,7 @@ impl<'tcx> TypeFolder<'tcx> for OpaqueTypeExpander<'tcx> {
}
fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx> {
if let ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs }) = *t.kind() {
if let ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. }) = *t.kind() {
self.expand_opaque_ty(def_id, substs).unwrap_or(t)
} else if t.has_opaque_types() {
t.super_fold_with(self)