8164984: Improper use of is_oop in production code
Replace oop->is_oop*() with oopDesc::is_oop*(oop) so this pointer can be verified
Reviewed-by: iklam, kvn, dholmes
Add a Java type called ResolvedMethodName which is immutable and can be stored in a hashtable, that is weakly collected by gc
Reviewed-by: sspitsyn, stefank, jrose
