Update BuildTools, CoreClr to preview4-03913-01, preview5-27612-73, respectively...
authordotnet-maestro-bot <dotnet-maestro-bot@microsoft.com>
Sun, 14 Apr 2019 03:18:15 +0000 (20:18 -0700)
committerJan Kotas <jkotas@microsoft.com>
Sun, 14 Apr 2019 03:18:15 +0000 (20:18 -0700)
commit9282334400d0912a8448ef49242ef4f6bc9ac081
tree65cecde86240fcac4b5922b9d143bd09db86f6d9
parentb2bba98a2ee6d677af8a4839a6cadf9d6497dd62
Update BuildTools, CoreClr to preview4-03913-01, preview5-27612-73, respectively (master) (dotnet/coreclr#23916)

* Update BuildTools, CoreClr to preview4-03913-01, preview5-27612-73, respectively

* Fix nullable build errors

Commit migrated from https://github.com/dotnet/coreclr/commit/ce952e77ddd2ee9c4e017770573f44dc316db6a8
src/coreclr/BuildToolsVersion.txt
src/coreclr/ILAsmVersion.txt
src/coreclr/dependencies.props
src/libraries/System.Private.CoreLib/src/System/Enum.cs