[pph] Re-instantiating namespaces and symbols

[Jason Merrill]

On 07/06/2011 12:34 AM, Diego Novillo wrote:
> Is there a canonical way that we should use to rebuild the
> elements from scope_chain->bindings?  Could we not simply add
> them to the current translation unit's scope_chain->bindings
> as-is, instead of doing all these pushdecl calls?

That would probably be better.  pushdecl_with_scope assumes that the new 
binding will be the innermost one, which is likely to cause headaches 
for you.

> When we read the PPH file back in we do need to create varpool
> entries for some symbols so they get processed by the callgraph,
> but I'm not sure what's the best way to go about that.

I'm not sure where they're normally created.

Jason