=> 0x7f4a5c38d017:	mov    0x8(%r13),%esi
   0x7f4a5c38d01b:	test   %esi,%esi
   0x7f4a5c38d01d:	je     0x7f4a5c38d3d1
   0x7f4a5c38d023:	lea    0x48(%rsp),%rax
   0x7f4a5c38d028:	lea    0x60(%rsp),%r12
   0x7f4a5c38d02d:	lea    0x58(%rsp),%rbp
   0x7f4a5c38d032:	lea    0x50(%rsp),%rbx
   0x7f4a5c38d037:	xor    %r15d,%r15d
   0x7f4a5c38d03a:	movq   $0x0,0x10(%rsp)
   0x7f4a5c38d043:	mov    %rax,(%rsp)
   0x7f4a5c38d047:	mov    %r12,%rax
   0x7f4a5c38d04a:	movq   $0x0,0x8(%rsp)
   0x7f4a5c38d053:	mov    %rbp,%r12
   0x7f4a5c38d056:	movq   $0x0,0x18(%rsp)
   0x7f4a5c38d05f:	mov    %rbx,%rbp
   0x7f4a5c38d062:	movl   $0x1,0x20(%rsp)