[perl #41825] [BUG] morph vtable override not working in PIR

[Patrick R. Michaud]

On Fri, Jan 16, 2009 at 11:34:05PM -0800, Allison Randal wrote:
> 
> Not a string, a PMC (like Coke said). String type names are almost as 
> bad as type IDs. And check the performance on the branch, as I'm not 
> sure how heavily PGE is using morph. We may need both integer and PMC 
> versions of morph for the internals, but only allow the PMC one to be 
> overridden from PIR.

Just for the record, AFAICT none of PGE/PCT/Rakudo make use of 
morph any longer.  We now have the 'copy' opcode to do what the
"morph workaround" was doing (and I don't think copy is using
VTABLE_morph).

Pm