- doesClassMetadataRequireRelocation() -- returns true if we must
allocate new metadata at runtime and fill it in, because the class
has multiple instantiations (generic case) or because the total size
of the metadata is not known at compile time (resilient ancestry).
- doesClassMetadataRequireInitialization() -- weaker condition than
the above. It's true if the metadata must be relocated, but it is
also true if the metadata has otherwise fixed size but must be
filled in dynamically. This occurs if the class has generic
ancestry but is itself not generic, or if the class has
resiliently-sized fields, or missing members.
For now, we don't actually care about the distinciton anywhere,
because we cannot do in-place initialization of class metadata yet.
