[v3] Fix libstdc++/50880

[Paolo Carlini]

Hi,

> I am surprised by your comment.  You do not care and that is why you
> are eager to
> commit the patch without checking first with fellow area maintainers?

Yes, probably my comment wan't clear enough: my point was that I cannot spend more time on this issue. I'm convinced, I may be wrong, that the current code is better than it was 6 hours ago, if I disagree, please revert it, do whatever you like, really, I will take no offense.

Paolo