// This is really important. While we *can* handle this, this has
// severe performance implications for large opaque types with
// late-bound regions. See `issue-88862` benchmark.
- ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs })
+ ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. })
if !substs.has_escaping_bound_vars() =>
{
// Only normalize `impl Trait` outside of type inference, usually in codegen.