rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Split Bound into Canonical and Bound

Browse Source
This commit is contained in:
jackh726
2025-09-28 23:04:55 +00:00
committed by Jack Huey
parent 6f34f4ee07
commit d1bbd39c59
45 changed files with 391 additions and 247 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
View File

@@ -830,7 +830,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for EraseEscapingBoundRegions<'tcx> {
}
fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> {
if let ty::ReBound(debruijn, _) = r.kind()
if let ty::ReBound(ty::BoundVarIndexKind::Bound(debruijn), _) = r.kind()
&& debruijn < self.binder
{
r

4
compiler/rustc_trait_selection/src/traits/query/normalize.rs
View File

@@ -145,7 +145,9 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for MaxEscapingBoundVarVisitor {
#[inline]
fn visit_region(&mut self, r: ty::Region<'tcx>) {
match r.kind() {
ty::ReBound(debruijn, _) if debruijn > self.outer_index => {
ty::ReBound(ty::BoundVarIndexKind::Bound(debruijn), _)
if debruijn > self.outer_index =>
{
self.escaping =
self.escaping.max(debruijn.as_usize() - self.outer_index.as_usize());
}