=> 0x7f5989988c45 <raise+53>:	cmp    $0xfffffffffffff000,%rax
   0x7f5989988c4b <raise+59>:	ja     0x7f5989988c5f <raise+79>
   0x7f5989988c4d <raise+61>:	repz retq 
   0x7f5989988c4f <raise+63>:	nop
   0x7f5989988c50 <raise+64>:	test   %eax,%eax
   0x7f5989988c52 <raise+66>:	jg     0x7f5989988c35 <raise+37>
   0x7f5989988c54 <raise+68>:	test   $0x7fffffff,%eax
   0x7f5989988c59 <raise+73>:	je     0x7f5989988c70 <raise+96>
   0x7f5989988c5b <raise+75>:	neg    %eax
   0x7f5989988c5d <raise+77>:	jmp    0x7f5989988c35 <raise+37>
   0x7f5989988c5f <raise+79>:	mov    0x36b1b2(%rip),%rdx        # 0x7f5989cf3e18
   0x7f5989988c66 <raise+86>:	neg    %eax
   0x7f5989988c68 <raise+88>:	mov    %eax,%fs:(%rdx)
   0x7f5989988c6b <raise+91>:	or     $0xffffffffffffffff,%rax
   0x7f5989988c6f <raise+95>:	retq   
   0x7f5989988c70 <raise+96>:	mov    %esi,%eax