=> 0x7fe9ec1f940e:	mov    0x8(%rsi),%rax
   0x7fe9ec1f9412:	test   %rax,%rax
   0x7fe9ec1f9415:	je     0x7fe9ec1f9424
   0x7fe9ec1f9417:	cmpb   $0x0,0xd8(%rdx)
   0x7fe9ec1f941e:	je     0x7fe9ec1f967e
   0x7fe9ec1f9424:	lea    0x18(%r14),%rax
   0x7fe9ec1f9428:	lea    0x50(%rsp),%rbp
   0x7fe9ec1f942d:	mov    %rax,0x50(%rsp)
   0x7fe9ec1f9432:	lea    0x40(%rsp),%rbx
   0x7fe9ec1f9437:	mov    %rbp,%rsi
   0x7fe9ec1f943a:	mov    %rbx,%rdi
   0x7fe9ec1f943d:	callq  0x7fe9ec0a4fd0 <_ZNSs4swapERSs@plt>
   0x7fe9ec1f9442:	mov    0x50(%rsp),%rax
   0x7fe9ec1f9447:	lea    -0x18(%rax),%rdi
   0x7fe9ec1f944b:	cmp    %r14,%rdi
   0x7fe9ec1f944e:	jne    0x7fe9ec1f9a65