[Portable Compiler] Rework return block marking.

Move the detection of blocks that contain a return from the
GBC emit pass up to Dex parsing.  This allows logic that detects
backward branches that go to method return to skip suspend checks.

Change-Id: I2a606b49850235b59c5faf237a08729e98220f4d
4 files changed
tree: 29b8d389ec032b8d09d82ec801909a6535f665c4
  1. .gitignore
  2. Android.mk
  3. build/
  4. jdwpspy/
  5. src/
  6. test/
  7. tools/