8229694: JVM crash in SWPointer during C2 OSR compilation
Summary: Handle the case where there is only 1 pack and no operations left when calling SuperWord::find_align_to_ref() to find the best alignment again.
Reviewed-by: kvn, vlivanov, thartmann
^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.src-rev$
^.jib/
(^|/)\.DS_Store
(^|/)\.metadata/
(^|/)\.recommenders/
test/nashorn/script/external
test/nashorn/lib
NashornProfile.txt
(^|/)JTreport/
(^|/)JTwork/
(^|/)\.git/
^src/utils/hsdis/build/