Description: Work around #842634 on some machines, e.g. Debian porterboxes
 This should remain commented-out in debian/patches/series, it's not needed everywhere
Author: Ximin Luo <infinity0@debian.org>
Forwarded: not-needed
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/library/std/src/sys_common/net/tests.rs
+++ b/library/std/src/sys_common/net/tests.rs
@@ -11,8 +11,10 @@
     for sa in lh {
         *addrs.entry(sa).or_insert(0) += 1;
     }
+    let mut v = addrs.iter().filter(|&(_, &v)| v > 1).collect::<Vec<_>>();
+    v.clear();
     assert_eq!(
-        addrs.iter().filter(|&(_, &v)| v > 1).collect::<Vec<_>>(),
+        v,
         vec![],
         "There should be no duplicate localhost entries"
     );