.
Thread 1 (Thread 0x7fdf0ffef880 (LWP 1198)):
#0  __mpn_lshift () at ../sysdeps/x86_64/lshift.S:31
No locals.
#1  0x00007fdf10afab6b in __internal_atexit (func=0x4ae, arg=0x4ae, d=0x6, listp=0xffffffffffffffff) at cxa_atexit.c:34
        new = <optimized out>
#2  0x0000000000000000 in ?? ()
No symbol table info available.