tree e0f26ba77c3f44dd299b19d9eacbc64ea3847cc1
parent 92827a5fc2598589b3717269cc09c33b8c53f30b
author Elliott Hughes <enh@google.com> 1318291028 -0700
committer Elliott Hughes <enh@google.com> 1318291785 -0700

Inherit java.lang.ref-ness from superclasses.

Otherwise the GC doesn't know to treat you specially.

Also sweep system weaks. (Though sweeping the monitors is still unimplemented.)

Change-Id: Ia89b58fd36dfd5c6c7dca70d432ddc838ca37ac5