clobber overlapping locals in storeLocal; move fallback code in trySteal to increase its applicability
clobber overlapping locals in storeLocal; move fallback code in trySteal to increase its applicability

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