Try to catch up _GLIBCXX_RESOLVE_LIB_DEFECTS comments and documentation.

[Jonathan Wakely]

On 15 March 2014 02:16, Ed Smith-Rowland wrote:
> This should be pure commentary and documentation.
>
> I hope I got all these.  I grepped for DR and added
> _GLIBCXX_RESOLVE_LIB_DEFECTS where it seemed needed.
> I did not add in cases where DR mentions were more commentary.
>
> Then I added the new _GLIBCXX_RESOLVE_LIB_DEFECTS to the xml intro page.
>
> OK?  Can anyone think of one I left out?

Once again, please send all patches to the gcc-patches list as well.