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-rw-r--r--compiler/rustc_middle/src/ty/normalize_erasing_regions.rs8
1 files changed, 6 insertions, 2 deletions
diff --git a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs
index fd125af20..27c436c82 100644
--- a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs
+++ b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs
@@ -97,6 +97,10 @@ impl<'tcx> TyCtxt<'tcx> {
/// N.B., currently, higher-ranked type bounds inhibit
/// normalization. Therefore, each time we erase them in
/// codegen, we need to normalize the contents.
+ // FIXME(@lcnr): This method should not be necessary, we now normalize
+ // inside of binders. We should be able to only use
+ // `tcx.instantiate_bound_regions_with_erased`. Same for the `try_X`
+ // variant.
#[tracing::instrument(level = "debug", skip(self, param_env))]
pub fn normalize_erasing_late_bound_regions<T>(
self,
@@ -106,7 +110,7 @@ impl<'tcx> TyCtxt<'tcx> {
where
T: TypeFoldable<TyCtxt<'tcx>>,
{
- let value = self.erase_late_bound_regions(value);
+ let value = self.instantiate_bound_regions_with_erased(value);
self.normalize_erasing_regions(param_env, value)
}
@@ -126,7 +130,7 @@ impl<'tcx> TyCtxt<'tcx> {
where
T: TypeFoldable<TyCtxt<'tcx>>,
{
- let value = self.erase_late_bound_regions(value);
+ let value = self.instantiate_bound_regions_with_erased(value);
self.try_normalize_erasing_regions(param_env, value)
}