8185925: StackFrameInfo::walker field can be replaced with bitmap to save footprint
8153682: StackFrameInfo.declaringClass could be removed
Reviewed-by: coleenp, mchung
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
\.DS_Store
\.metadata/
\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt