=> 0x7f680449e445 <raise+53>:	cmp    $0xfffffffffffff000,%rax
   0x7f680449e44b <raise+59>:	ja     0x7f680449e45f <raise+79>
   0x7f680449e44d <raise+61>:	repz retq 
   0x7f680449e44f <raise+63>:	nop
   0x7f680449e450 <raise+64>:	test   %eax,%eax
   0x7f680449e452 <raise+66>:	jg     0x7f680449e435 <raise+37>
   0x7f680449e454 <raise+68>:	test   $0x7fffffff,%eax
   0x7f680449e459 <raise+73>:	je     0x7f680449e470 <raise+96>
   0x7f680449e45b <raise+75>:	neg    %eax
   0x7f680449e45d <raise+77>:	jmp    0x7f680449e435 <raise+37>
   0x7f680449e45f <raise+79>:	mov    0x37f9ba(%rip),%rdx        # 0x7f680481de20
   0x7f680449e466 <raise+86>:	neg    %eax
   0x7f680449e468 <raise+88>:	mov    %eax,%fs:(%rdx)
   0x7f680449e46b <raise+91>:	or     $0xffffffffffffffff,%rax
   0x7f680449e46f <raise+95>:	retq   
   0x7f680449e470 <raise+96>:	mov    %esi,%eax