From f4e2b954a1749bb215eb0f1365e7d1f95162d3ba Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Sun, 5 Feb 2023 18:53:47 +0400
Subject: rustc_metadata: Encode/decode `DefPathHash`es without an `Option`

---
 compiler/rustc_span/src/def_id.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'compiler/rustc_span')

diff --git a/compiler/rustc_span/src/def_id.rs b/compiler/rustc_span/src/def_id.rs
index 7c5e1427d1e..cdda052f529 100644
--- a/compiler/rustc_span/src/def_id.rs
+++ b/compiler/rustc_span/src/def_id.rs
@@ -119,6 +119,12 @@ impl DefPathHash {
     }
 }
 
+impl Default for DefPathHash {
+    fn default() -> Self {
+        DefPathHash(Fingerprint::ZERO)
+    }
+}
+
 impl Borrow<Fingerprint> for DefPathHash {
     #[inline]
     fn borrow(&self) -> &Fingerprint {
-- 
cgit 1.4.1-3-g733a5