solidity/test/libsolidity/syntaxTests/nameAndTypeResolution/397_warns_msg_value_in_non_payable_public_function.sol

contract C {
    function f() view public {
        msg.value;
    }
}
// ----
// TypeError 5887: (52-61): "msg.value" and "callvalue()" can only be used in payable public functions. Make the function "payable" or use an internal function to avoid this error.