/**
 * An evaluator that transform numeric operation, such as div, into compile-time constant iff involved operands, such as explicit receiver
 * and the argument, are compile-time constant as well.
 */
internal object FirCompileTimeConstantEvaluator {
    private val variablesInProcessOfEvaluation = ThreadLocal.withInitial { mutableSetOf<FirVariableSymbol<*>>() }