=> 0x7f551f869d05 <raise+53>:	cmp    $0xfffffffffffff000,%rax
   0x7f551f869d0b <raise+59>:	ja     0x7f551f869d1f <raise+79>
   0x7f551f869d0d <raise+61>:	repz retq 
   0x7f551f869d0f <raise+63>:	nop
   0x7f551f869d10 <raise+64>:	test   %eax,%eax
   0x7f551f869d12 <raise+66>:	jg     0x7f551f869cf5 <raise+37>
   0x7f551f869d14 <raise+68>:	test   $0x7fffffff,%eax
   0x7f551f869d19 <raise+73>:	je     0x7f551f869d30 <raise+96>
   0x7f551f869d1b <raise+75>:	neg    %eax
   0x7f551f869d1d <raise+77>:	jmp    0x7f551f869cf5 <raise+37>
   0x7f551f869d1f <raise+79>:	mov    0x35927a(%rip),%rdx        # 0x7f551fbc2fa0
   0x7f551f869d26 <raise+86>:	neg    %eax
   0x7f551f869d28 <raise+88>:	mov    %eax,%fs:(%rdx)
   0x7f551f869d2b <raise+91>:	or     $0xffffffffffffffff,%rax
   0x7f551f869d2f <raise+95>:	retq   
   0x7f551f869d30 <raise+96>:	mov    %esi,%eax