Function succeeds

lib/astutils.cpp:1042–1051

If tok1 comes after tok2

/// If tok1 comes after tok2
bool succeeds(const Token* tok1, const Token* tok2)
{
    if (tok1 == tok2)
        return false;
    if (!tok1)
        return false;
    if (!tok2)
        return true;
    return tok1->index() > tok2->index();
}

bool isAliasOf(const Token *tok, nonneg int varid, bool* inconclusive)
{