=> 0x7fdca941b60e:	mov    0x8(%rsi),%rax
   0x7fdca941b612:	test   %rax,%rax
   0x7fdca941b615:	je     0x7fdca941b624
   0x7fdca941b617:	cmpb   $0x0,0xd8(%rdx)
   0x7fdca941b61e:	je     0x7fdca941b87e
   0x7fdca941b624:	lea    0x18(%r14),%rax
   0x7fdca941b628:	lea    0x50(%rsp),%rbp
   0x7fdca941b62d:	mov    %rax,0x50(%rsp)
   0x7fdca941b632:	lea    0x40(%rsp),%rbx
   0x7fdca941b637:	mov    %rbp,%rsi
   0x7fdca941b63a:	mov    %rbx,%rdi
   0x7fdca941b63d:	callq  0x7fdca93ce870 <_ZNSs4swapERSs@plt>
   0x7fdca941b642:	mov    0x50(%rsp),%rax
   0x7fdca941b647:	lea    -0x18(%rax),%rdi
   0x7fdca941b64b:	cmp    %r14,%rdi
   0x7fdca941b64e:	jne    0x7fdca941bc65