https://bugs.gentoo.org/421769

 ../../src/includes/Ref.h:248:5: error: 'assign' was not declared in this scope, and no declarations were found by argument-dependent lookup at the point of instantiation
 

 src/includes/Ref.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/src/includes/Ref.h
+++ b/src/includes/Ref.h
@@ -189,7 +189,7 @@ public:
 
   CRef<T> &operator=(const CRef<T> &other)
   {
-    assign(other);
+    this->assign(other);
     return *this;
   }
 
@@ -245,7 +245,7 @@ public:
 
   Ref<T> &operator=(const Ref<T> &other)
   {
-    assign(other);
+    this->assign(other);
     return *this;
   }