[release/11.0-preview5] Source code updates from dotnet/dotnet#435

dotnet-maestro[bot] wants to merge 3 commits into

release/11.0-preview5dotnet/symreader:release/11.0-preview5from

darc-release/11.0-preview5-ab8f0820-a46d-453f-9caa-e3aed1fe7d24dotnet/symreader:darc-release/11.0-preview5-ab8f0820-a46d-453f-9caa-e3aed1fe7d24Copy head branch name to clipboard