Build Branch: release/dev16.6

Internal ID: fsharp-ci/20200417.4
Internal VS ID: rel.d16.6-30114.105

Merge pull request dotnet#9185 from dotnet/merges/master-to-release/f…

…sharp5

Merge master to release/fsharp5

Merge pull request dotnet#8993 from dotnet/merges/master-to-release/f…

…sharp5

Merge master to release/fsharp5

Build Branch: release/dev16.5

Internal ID: fsharp-ci/20200331.6
Internal VS ID: rel.d16.5-30002.166

Merge pull request dotnet#8841 from dotnet/merges/master-to-release/f…

…sharp5

Merge master to release/fsharp5

Build Branch: release/dev16.5

Internal ID: fsharp-ci/20200204.8
Internal VS ID: rel.d16.5-29911.84

FSharp.Core version 4.7.1

Merge pull request dotnet#8667 from dotnet/merges/master-to-release/f…

…sharp5

Merge master to release/fsharp5

Build Branch: release/dev16.4

Internal ID: fsharp-ci/20191106.5
Internal VS ID: rel.d16.4-29519.181

Build Branch: release/dev16.3

Internal ID: FSharp-Signed/20190905.1
Internal VS ID: rel.d16.3-29318.209