Fix a few internal nullable annotations and comments (dotnet/coreclr#23987)
authorStephen Toub <stoub@microsoft.com>
Mon, 15 Apr 2019 02:50:55 +0000 (22:50 -0400)
committerGitHub <noreply@github.com>
Mon, 15 Apr 2019 02:50:55 +0000 (22:50 -0400)
commit1c9c6fa3abeee5cebff723bd6d3bfe4d8c08f7cb
tree4802d447c68afa739de742f1676f34785dc8122b
parent4881af09a8a2b027c2f57f901bae18edaff10b8f
Fix a few internal nullable annotations and comments (dotnet/coreclr#23987)

Commit migrated from https://github.com/dotnet/coreclr/commit/304be842996652e6dc153bd95c0694ca5ff3bff1
src/coreclr/src/System.Private.CoreLib/src/System/Runtime/InteropServices/WindowsRuntime/ConstantSplittableMap.cs
src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs
src/libraries/System.Private.CoreLib/src/System/Threading/TimerQueue.Portable.cs