libstdc++/7157: Queues do not work on the main line

[Peter Schmid]

>     Thank you for your bug report.
>
>     Can you verify that this patch
>
>         http://gcc.gnu.org/ml/libstdc++/2002-06/msg00257.html
>
>     (now on 3.2/mainline) fixes the bug?
>
> http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7157
>

I have verified that your patch does indeed fix the problems mentioned
in the PRs 7157, 7158 and 7161. Please close this PR.
Thank you for fixing these problems.

Best regards,

Peter Schmid