compiler support added for precise GC

[Steven Schveighoffer]

On Mon, 16 Apr 2012 16:52:54 -0400, Steven Schveighoffer  
<schveiguy at yahoo.com> wrote:

> But we need to change the name early on to avoid conflicts.  I don't  
> think a more generic name would be inappropriate, even if the GC is the  
> only client at first.

Should have said "But we need to change the name early on to avoid  
confusion later", i.e. "why is this GCInfo template generating reflection  
info that the GC doesn't use?"

-Steve