[PATCH] PR67085 move comparison functions in heap operations

[Jonathan Wakely]

On 19/01/17 18:28 +0000, Jonathan Wakely wrote:
>@@ -397,7 +401,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
>       while (__last - __first > 1)
> 	{
> 	  --__last;
>-	  std::__pop_heap(__first, __last, __last, __comp);
>+	  std::__pop_heap(__first, __last, __last, _GLIBCXX_MOVE(__comp));

Oops, we can't move from the functor in a loop, it might be invalid
after the first move. Fix coming asap.