RFR(S): 8209702: [lworld] C2 compilation fails with "assert(argument(0)->bottom_type()->isa_ptr()) failed: must be"

[Roland Westrelin]

> http://cr.openjdk.java.net/~thartmann/8209702/webrev.00/

I wonder if it's sufficient to:

4373           assert(!obj->is_ValueType(), "value types don't support cloning");

i.e. if that's really impossible. Profile data could be inaccurate for
that code path I suppose.

Roland.