Add some assertions

2023-03-19 17:39:27 +01:00
parent 486a38723b
commit c4bcac628c
2 changed files with 3 additions and 0 deletions
--- a/compiler/rustc_query_system/src/dep_graph/graph.rs
+++ b/compiler/rustc_query_system/src/dep_graph/graph.rs
@@ -970,6 +970,7 @@ impl<K: DepKind> DepGraph<K> {
    }

    pub(crate) fn next_virtual_depnode_index(&self) -> DepNodeIndex {
+        debug_assert!(self.data.is_none());
        let index = self.virtual_dep_node_index.fetch_add(1, Relaxed);
        DepNodeIndex::from_u32(index)
    }