[main] Source code updates from dotnet/dotnet#5921

dotnet-maestro[bot] wants to merge 2 commits into

maindotnet/diagnostics:mainfrom

darc-main-21f9f459-d310-423f-b9b7-e784e70aef09dotnet/diagnostics:darc-main-21f9f459-d310-423f-b9b7-e784e70aef09Copy head branch name to clipboard