compiler support added for precise GC

[Walter Bright]

On 4/18/2012 1:32 PM, Steven Schveighoffer wrote:
> One interesting question -- which template is instantiated by the compiler, the
> one in object.di or the one in object_.d? It seems they are not identical...

object.di. The compiler does not know about object_.d.

The template should be identical.

> Another interesting question, in what context does the RTInfo(T) template get
> instantiated? In other words, if you needed more helper templates for GC
> purposes for instance, what file would have to include that, object.di,
> object_.d, or some other module?

object.di