Remove workarounds for ancient Clang versions - #6012

Remove workarounds for ancient Clang versions#6012

Stephan T. Lavavej (StephanTLavavej) merged 2 commits into

microsoft:mainmicrosoft/STL:mainfrom

StephanTLavavej:new-clangStephanTLavavej/STL:new-clangCopy head branch name to clipboard