<pre class="notranslate">What steps will reproduce the problem?
If possible, include a link to a program on play.golang.org.
1. Run the code at <a href="http://play.golang.org/p/Z2aaevAIbN" rel="nofollow">http://play.golang.org/p/Z2aaevAIbN</a>

What is the expected output?
map[0:2]

What do you see instead?
map[1:2 0:1]

Which compiler are you using (5g, 6g, 8g, gccgo)?
6g

Which operating system are you using?
Linux

Which version are you using?  (run 'go version')
go1.0.3/tip devel +c0a5b4ad0895

Please provide any additional information below.
Raised here: <a href="https://groups.google.com/d/msg/golang-nuts/qOIyn4PXli0/VxhopTqhYtcJ" rel="nofollow">https://groups.google.com/d/msg/golang-nuts/qOIyn4PXli0/VxhopTqhYtcJ</a>
The almost equivalent slice code gives the expected output
(<a href="http://play.golang.org/p/4vRaPGs63w)" rel="nofollow">http://play.golang.org/p/4vRaPGs63w)</a>, as the equivalent map literal assignment
(<a href="http://play.golang.org/p/jqzQ7MsRS4)" rel="nofollow">http://play.golang.org/p/jqzQ7MsRS4)</a>.</pre>
<pre class="notranslate">The Go compiler version does not match the Mercurial repository version.

$ hg id
dd31a3b56536 tip
$ 6g -V
6g version weekly.2011-06-23 8948</pre>