Help the compiler vectorize ranges::iota - #4647

Help the compiler vectorize ranges::iota#4647

Stephan T. Lavavej (StephanTLavavej) merged 4 commits into

microsoft:mainmicrosoft/STL:mainfrom

AlexGuteniev:one_more_iotaAlexGuteniev/STL:one_more_iotaCopy head branch name to clipboard