Implement Debug for DefIdForest

2021-01-16 17:56:32 -05:00 · 2021-01-16 17:56:32 -05:00 · 02952372c4
commit 02952372c4
parent 6417760632
1 changed files with 1 additions and 1 deletions
--- a/compiler/rustc_middle/src/ty/inhabitedness/def_id_forest.rs
+++ b/compiler/rustc_middle/src/ty/inhabitedness/def_id_forest.rs
@ -18,7 +18,7 @@ use DefIdForest::*;
 /// We store the minimal set of `DefId`s required to represent the whole set. If A and B are
 /// `DefId`s in the `DefIdForest`, and A is a parent of B, then only A will be stored. When this is
 /// used with `type_uninhabited_from`, there will very rarely be more than one `DefId` stored.
-#[derive(Clone, HashStable)]
+#[derive(Clone, HashStable, Debug)]
 pub enum DefIdForest {
    Empty,
    Single(DefId),