add object lifetime tests to GC.java, which currently fail with JIT
add object lifetime tests to GC.java, which currently fail with JIT

MaartenR/avian,minor-jason/avian,lwahlmeier/avian,marcinolawski/avian,lwahlmeier/avian,ucdseniordesign/avian,MaartenR/avian,ucdseniordesign/avian,marcinolawski/avian,bigfatbrowncat/avian-pack.avian,badlogic/avian,joshuawarner32/avian,joshuawarner32/avian,lostdj/avian,dicej/avian,bigfatbrowncat/avian-pack.avian,bgould/avian,dicej/avian,MaartenR/avian,getlantern/avian,lostdj/avian,marcinolawski/avian,lostdj/avian,lwahlmeier/avian,bigfatbrowncat/avian-pack.avian,bigfatbrowncat/avian-pack.avian,getlantern/avian,joshuawarner32/avian,bgould/avian,getlantern/avian,getlantern/avian,minor-jason/avian,marcinolawski/avian,bgould/avian,lwahlmeier/avian,ucdseniordesign/avian,dicej/avian,MaartenR/avian,lostdj/avian,dicej/avian,badlogic/avian,badlogic/avian,minor-jason/avian,ucdseniordesign/avian,badlogic/avian,joshuawarner32/avian,minor-jason/avian,bgould/avian