Sync AMTL

2014-09-18 19:29:58 +02:00
parent 87774ae21f
commit d4b0444d7a
4 changed files with 121 additions and 3 deletions
--- a/public/amtl/am-refcounting.h
+++ b/public/amtl/am-refcounting.h
@@ -55,6 +55,13 @@ class AlreadyRefed
      : thing_(t)
    {
    }
+    AlreadyRefed(const AlreadyRefed<T> &other)
+      : thing_(other.thing_)
+    {
+        // If copy elision for some reason doesn't happen (for example, when
+        // returning from AdoptRef), just null out the source ref.
+        other.thing_ = NULL;
+    }
    ~AlreadyRefed() {
        if (thing_)
            thing_->Release();