Remove assertions adding dep nodes

Author: Zoxc

src/librustc/ty/context.rs

@@ -2750,8 +2750,14 @@ impl<'a, 'gcx, 'tcx> TyCtxt<'a, 'gcx, 'tcx> {
 
     pub fn intern_existential_predicates(self, eps: &[ExistentialPredicate<'tcx>])
         -> &'tcx List<ExistentialPredicate<'tcx>> {
-        assert!(!eps.is_empty());
-        assert!(eps.windows(2).all(|w| w[0].stable_cmp(self, &w[1]) != Ordering::Greater));
+        if cfg!(debug_assertions) {
+            assert!(!eps.is_empty());
+            self.dep_graph.with_ignore(|| {
+                assert!(eps.windows(2).all(|w| {
+                    w[0].stable_cmp(self, &w[1]) != Ordering::Greater
+                }));
+            });
+        }
         self._intern_existential_predicates(eps)
     }