=> 0x7f1766df3e35 <raise+53>:	cmp    $0xfffffffffffff000,%rax
   0x7f1766df3e3b <raise+59>:	ja     0x7f1766df3e4f <raise+79>
   0x7f1766df3e3d <raise+61>:	repz retq 
   0x7f1766df3e3f <raise+63>:	nop
   0x7f1766df3e40 <raise+64>:	test   %eax,%eax
   0x7f1766df3e42 <raise+66>:	jg     0x7f1766df3e25 <raise+37>
   0x7f1766df3e44 <raise+68>:	test   $0x7fffffff,%eax
   0x7f1766df3e49 <raise+73>:	je     0x7f1766df3e60 <raise+96>
   0x7f1766df3e4b <raise+75>:	neg    %eax
   0x7f1766df3e4d <raise+77>:	jmp    0x7f1766df3e25 <raise+37>
   0x7f1766df3e4f <raise+79>:	mov    0x383fca(%rip),%rdx        # 0x7f1767177e20
   0x7f1766df3e56 <raise+86>:	neg    %eax
   0x7f1766df3e58 <raise+88>:	mov    %eax,%fs:(%rdx)
   0x7f1766df3e5b <raise+91>:	or     $0xffffffffffffffff,%rax
   0x7f1766df3e5f <raise+95>:	retq   
   0x7f1766df3e60 <raise+96>:	mov    %esi,%eax