I unfortunately have not had time to keep up with gccgo, so I'm adding a note that GCC 4.8.1 does not yet implement Go 1.1. Committed to the web site.
Ian
Index: changes.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v retrieving revision 1.117 diff -u -r1.117 changes.html --- changes.html 20 May 2013 16:38:06 -0000 1.117 +++ changes.html 22 May 2013 17:01:39 -0000 @@ -441,9 +441,8 @@ <h3 id="go">Go</h3> <ul> - <li>GCC 4.8.0 implements a preliminary version of the upcoming Go - 1.1 release. The library support is not quite complete, due to - release timing.</li> + <li>GCC 4.8.0 and 4.8.1 implement a preliminary version of the Go + 1.1 release. The library support is not quite complete.</li> <li>Go has been tested on GNU/Linux and Solaris platforms for various processors including x86, x86_64, PowerPC, SPARC, and Alpha. It may work on other platforms as well.</li>