[patch]r246028, libcxxrt's Version.map is broken

[Dimitry Andric]

On 2013-02-01 16:28, Yamaya Takashi wrote:
> On 2013/02/01 08:03, Yamaya Takashi wrote:
>> After r246028, make buildworld with -stdlib=libc++ -std=c++11 is failed.
>> libcxxrt's Version.map is broken, because some needed symbols are removed.
> Add missing symbol and refine.

Thank you very much.  I have verified that your patch makes building
world with -stdlib=libc++ work.  I have committed it in r246297.

-Dimitry