Add Neon implementation of is_sorted_until - #6018

Add Neon implementation of is_sorted_until#6018

Stephan T. Lavavej (StephanTLavavej) merged 2 commits into

microsoft:mainmicrosoft/STL:mainfrom

hazzlim:is-sorted-until-prhazzlim/STL:is-sorted-until-prCopy head branch name to clipboard