ExtendedContract.ecrecover (state variable) shadows built-in symbol"

FurtherExtendedContract.require().keccak256 (local variable) shadows built-in symbol"

FurtherExtendedContract.abi (state variable) shadows built-in symbol"

BaseContract.blockhash (state variable) shadows built-in symbol"

FurtherExtendedContract.this (state variable) shadows built-in symbol"

BaseContract.now (state variable) shadows built-in symbol"

ExtendedContract.assert(bool).msg (local variable) shadows built-in symbol"

ExtendedContract.assert(bool) (function) shadows built-in symbol"

BaseContract.revert(bool) (event) shadows built-in symbol"

FurtherExtendedContract.require().sha3 (local variable) shadows built-in symbol"

FurtherExtendedContract.blockhash (state variable) shadows built-in symbol"

FurtherExtendedContract.require() (modifier) shadows built-in symbol"

