References: https://github.com/linbox-team/givaro/issues/226

The reference to a singleton element should not be copied.

---
 src/kernel/integer/random-integer.h |    1 -
 1 file changed, 1 deletion(-)

Index: givaro-4.2.0/src/kernel/integer/random-integer.h
===================================================================
--- givaro-4.2.0.orig/src/kernel/integer/random-integer.h
+++ givaro-4.2.0/src/kernel/integer/random-integer.h
@@ -91,7 +91,6 @@ namespace Givaro
             if (this != &R) {
                 _bits = R._bits;
                 _integer = R._integer;
-                const_cast<Integer_Domain&>(_ring)=R._ring;
             }
             return *this;
         }