RFR(S): 8188151: "assert(entry_for(catch_pco, handler_bcis->at(i), scope_depth)->pco() == handler_pcos->at(i))" failure with C1

[Roland Westrelin]

Thanks for looking at this, Dean.

> If handler->scope_count() > prev_scope, then can we skip the find 
> because no duplicate is possible?

Yes, sounds like a reasonable optimization.

Roland.