public void parameterAssignment(LocalVariableBinding local, ASTNode location) {
	int severity = computeSeverity(IProblem.ParameterAssignment);
	if (severity == ProblemSeverities.Ignore) return;
	String[] arguments = new String[] { new String(local.readableName())};
	this.handle(
		IProblem.ParameterAssignment,
		arguments,
		arguments,
		severity,
		nodeSourceStart(local, location),
		nodeSourceEnd(local, location)); // should never be a qualified name reference
}