[svn:parrot] r49582 - branches/generational_gc/src/pmc

[bacek at svn.parrot.org]

Author: bacek
Date: Tue Oct 19 12:06:53 2010
New Revision: 49582
URL: https://trac.parrot.org/parrot/changeset/49582

Log:
Temporary workarond for mussing ro_variant_vtable

Modified:
   branches/generational_gc/src/pmc/class.pmc

Modified: branches/generational_gc/src/pmc/class.pmc
==============================================================================
--- branches/generational_gc/src/pmc/class.pmc	Tue Oct 19 09:24:53 2010	(r49581)
+++ branches/generational_gc/src/pmc/class.pmc	Tue Oct 19 12:06:53 2010	(r49582)
@@ -344,10 +344,12 @@
         new_vtable->pmc_class         = self;
         new_vtable->whoami            = VTABLE_get_string(interp, self);
         new_vtable->mro               = _class->all_parents;
-        new_vtable->ro_variant_vtable =
-                Parrot_clone_vtable(interp, self->vtable->ro_variant_vtable);
-        new_vtable->wb_variant_vtable =
-                Parrot_clone_vtable(interp, self->vtable->wb_variant_vtable);
+        if (self->vtable->ro_variant_vtable)
+            new_vtable->ro_variant_vtable =
+                    Parrot_clone_vtable(interp, self->vtable->ro_variant_vtable);
+        if (self->vtable->wb_variant_vtable)
+            new_vtable->wb_variant_vtable =
+                    Parrot_clone_vtable(interp, self->vtable->wb_variant_vtable);
 
         /* Store the class's vtable in the global table */
         interp->vtables[type_num]     = new_vtable;