From d98449d110fe49355ae265623a5bbf6796525c92 Mon Sep 17 00:00:00 2001
From: QuietMisdreavus <grey@quietmisdreavus.net>
Date: Wed, 21 Feb 2018 17:44:49 -0600
Subject: [PATCH] manually release `cx.external_traits` while building the new
trait
---
src/librustdoc/clean/inline.rs | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs
index 9aba399b3b0..c09c6eab4d2 100644
--- a/src/librustdoc/clean/inline.rs
+++ b/src/librustdoc/clean/inline.rs
@@ -494,7 +494,11 @@ fn separate_supertrait_bounds(mut g: clean::Generics)
}
pub fn record_extern_trait(cx: &DocContext, did: DefId) {
- cx.external_traits.borrow_mut().entry(did).or_insert_with(|| {
- build_external_trait(cx, did)
- });
+ if cx.external_traits.borrow().contains_key(did) {
+ return;
+ }
+
+ let trait_ = build_external_trait(cx, did);
+
+ cx.external_traits.borrow_mut().insert(did, trait_);
}