Use deeply_normalize_with_skipped_universes in when processing type outlives

Author: compiler-errors

compiler/rustc_trait_selection/src/regions.rs

@@ -24,12 +24,13 @@ impl<'tcx> InferCtxtRegionExt<'tcx> for InferCtxt<'tcx> {
             let ty = self.resolve_vars_if_possible(ty);
 
             if self.next_trait_solver() {
-                crate::solve::deeply_normalize(
+                crate::solve::deeply_normalize_with_skipped_universes(
                     self.at(
                         &ObligationCause::dummy_with_span(origin.span()),
                         outlives_env.param_env,
                     ),
                     ty,
+                    vec![None; ty.outer_exclusive_binder().as_usize()],
                 )
                 .map_err(|_| ty)
             } else {

tests/ui/traits/next-solver/normalize-region-obligations.rs

@@ -1,4 +1,4 @@
-// revisions: normalize_param_env normalize_obligation
+// revisions: normalize_param_env normalize_obligation hrtb
 // check-pass
 // compile-flags: -Znext-solver
 
@@ -7,16 +7,23 @@ trait Foo {
     type Gat<'a> where <Self as Mirror>::Assoc: 'a;
     #[cfg(normalize_obligation)]
     type Gat<'a> where Self: 'a;
+    #[cfg(hrtb)]
+    type Gat<'b> where for<'a> <Self as MirrorRegion<'a>>::Assoc: 'b;
 }
 
 trait Mirror { type Assoc: ?Sized; }
 impl<T: ?Sized> Mirror for T { type Assoc = T; }
 
+trait MirrorRegion<'a> { type Assoc: ?Sized; }
+impl<'a, T> MirrorRegion<'a> for T { type Assoc = T; }
+
 impl<T> Foo for T {
     #[cfg(normalize_param_env)]
     type Gat<'a> = i32 where T: 'a;
     #[cfg(normalize_obligation)]
     type Gat<'a> = i32 where <T as Mirror>::Assoc: 'a;
+    #[cfg(hrtb)]
+    type Gat<'b> = i32 where Self: 'b;
 }
 
 fn main() {}