On 05/24/2018 10:33 AM, Игорь Сотниченко wrote: > Why when I have turned off the optimization (O0)the error does not appear? Probably because you've made a mistake. But we're guessing until you show us your code. -- Andrew Haley Java Platform Lead Engineer Red Hat UK Ltd. <https://www.redhat.com> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671