diff options
| -rw-r--r-- | src/librustc/traits/select.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/librustc/traits/select.rs b/src/librustc/traits/select.rs index 7b1863e8e13..e9a89b1bc37 100644 --- a/src/librustc/traits/select.rs +++ b/src/librustc/traits/select.rs @@ -791,6 +791,10 @@ impl<'cx, 'gcx, 'tcx> SelectionContext<'cx, 'gcx, 'tcx> { if self.can_use_global_caches(param_env) { let cache = self.tcx().evaluation_cache.hashmap.borrow(); if let Some(cached) = cache.get(&trait_ref) { + let dep_node = trait_ref + .to_poly_trait_predicate() + .dep_node(self.tcx()); + self.tcx().hir.dep_graph.read(dep_node); return Some(cached.clone()); } } |