[main] Source code updates from dotnet/dotnet#2825

baronfel merged 13 commits into

maindotnet/command-line-api:mainfrom

darc-main-618890fd-928f-453a-8b0a-4acc43fdfc1edotnet/command-line-api:darc-main-618890fd-928f-453a-8b0a-4acc43fdfc1eCopy head branch name to clipboard