#0  0x0000555f6360e7bb in  ()
#1  0x0000555f63625661 in  ()
#2  0x0000555f63625e5f in  ()
#3  0x00007f97e0ce1943 in std::execute_native_thread_routine(void*) (__p=0x555f6454ab90) at /usr/src/debug/gcc/gcc/libstdc++-v3/src/c++11/thread.cc:104
#4  0x00007f97e0aaa9eb in start_thread (arg=<optimized out>) at pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140290286069520, 1010022745892813331, -1216, 11, 140735107292416, 140289779945472, -1068523363443312109, -1068598844274148845}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007f97e0b2e7cc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78