Unlock guard before overflow panic

rust-lang · Oct 7, 2016 · 032bffa · 032bffa
1 parent e80fd25
commit 032bffa
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs
@@ -550,6 +550,7 @@ impl ThreadId {
             // If we somehow use up all our bits, panic so that we're not
             // covering up subtle bugs of IDs being reused.
             if COUNTER == ::u64::MAX {
+                GUARD.unlock();
                 panic!("failed to generate unique thread ID: bitspace exhausted");
             }