=> 0x7f451b0eed05 <raise+53>:	cmp    $0xfffffffffffff000,%rax
   0x7f451b0eed0b <raise+59>:	ja     0x7f451b0eed1f <raise+79>
   0x7f451b0eed0d <raise+61>:	repz retq 
   0x7f451b0eed0f <raise+63>:	nop
   0x7f451b0eed10 <raise+64>:	test   %eax,%eax
   0x7f451b0eed12 <raise+66>:	jg     0x7f451b0eecf5 <raise+37>
   0x7f451b0eed14 <raise+68>:	test   $0x7fffffff,%eax
   0x7f451b0eed19 <raise+73>:	je     0x7f451b0eed30 <raise+96>
   0x7f451b0eed1b <raise+75>:	neg    %eax
   0x7f451b0eed1d <raise+77>:	jmp    0x7f451b0eecf5 <raise+37>
   0x7f451b0eed1f <raise+79>:	mov    0x35927a(%rip),%rdx        # 0x7f451b447fa0
   0x7f451b0eed26 <raise+86>:	neg    %eax
   0x7f451b0eed28 <raise+88>:	mov    %eax,%fs:(%rdx)
   0x7f451b0eed2b <raise+91>:	or     $0xffffffffffffffff,%rax
   0x7f451b0eed2f <raise+95>:	retq   
   0x7f451b0eed30 <raise+96>:	mov    %esi,%eax