8132919: Put compiler tests in packages
Reviewed-by: vlivanov, dpochepk
Contributed-by: igor.ignatyev@oracle.com

8136461: PhaseIdealLoop::try_move_store_before_loop() may bypass early loop exit
Summary: PhaseIdealLoop::try_move_store_before_loop() needs to check for early loop exit before candidate Stores
Reviewed-by: kvn