<charconv>: Fix from_chars() float tiebreaking - #2366

<charconv>: Fix from_chars() float tiebreaking#2366

Stephan T. Lavavej (StephanTLavavej) merged 3 commits into

microsoft:mainmicrosoft/STL:mainfrom

StephanTLavavej:tiebreak_to_evenStephanTLavavej/STL:tiebreak_to_evenCopy head branch name to clipboard