DerivedRedefinition.ice:16: operation `op' is already defined as an operation in a base interface or class
DerivedRedefinition.ice:17: operation `op' is already defined as an operation in a base interface or class
DerivedRedefinition.ice:33: operation `op' is already defined as an operation in a base interface or class
DerivedRedefinition.ice:37: ambiguous multiple inheritance: `D3' inherits operation `op' from two or more unrelated base interfaces
DerivedRedefinition.ice:42: data member `l' is already defined as a data member in a base interface or class
DerivedRedefinition.ice:44: data member `l' is already defined as a data member in a base interface or class