Check-cast, instance-of, misc fixes

Support for check-cast and instanceof (largely untested).  Added a bunch of
helper stubs, a debugging option to show the method name if we try to branch
to an uncompiled method, new tests and a missing call to reset the compiler's
arena storage.

Change-Id: I933ad1fbdbca110f92c9201cae2353bf4862a8ac
8 files changed
tree: 000c5f4483de6c4e90ba5bcdee5f616c1e499b50
  2. build/
  3. src/
  4. test/
  5. tools/