From 9282334400d0912a8448ef49242ef4f6bc9ac081 Mon Sep 17 00:00:00 2001
From: dotnet-maestro-bot <dotnet-maestro-bot@microsoft.com>
Date: Sat, 13 Apr 2019 20:18:15 -0700
Subject: [PATCH] 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                       | 2 +-
 src/coreclr/ILAsmVersion.txt                            | 2 +-
 src/coreclr/dependencies.props                          | 6 +++---
 src/libraries/System.Private.CoreLib/src/System/Enum.cs | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/coreclr/BuildToolsVersion.txt b/src/coreclr/BuildToolsVersion.txt
index 457b538..433db89 100644
--- a/src/coreclr/BuildToolsVersion.txt
+++ b/src/coreclr/BuildToolsVersion.txt
@@ -1 +1 @@
-3.0.0-preview4-03906-01
+3.0.0-preview4-03913-01
diff --git a/src/coreclr/ILAsmVersion.txt b/src/coreclr/ILAsmVersion.txt
index 5725ac3..d0e17ff 100644
--- a/src/coreclr/ILAsmVersion.txt
+++ b/src/coreclr/ILAsmVersion.txt
@@ -1 +1 @@
-3.0.0-preview5-27611-71
+3.0.0-preview5-27612-73
diff --git a/src/coreclr/dependencies.props b/src/coreclr/dependencies.props
index 042b52a..3d71f8e 100644
--- a/src/coreclr/dependencies.props
+++ b/src/coreclr/dependencies.props
@@ -26,13 +26,13 @@
 
   <!-- Source of truth for dependency tooling: the commit hash of the dotnet/versions master branch as of the last auto-upgrade. -->
   <PropertyGroup>
-    <CoreClrCurrentRef>01e1d277337c3e89fa66197e11be31552f97bcc1</CoreClrCurrentRef>
-    <BuildToolsCurrentRef>66f3bb05de8ac6063fbedff5816ef25cc6ecfa11</BuildToolsCurrentRef>
+    <CoreClrCurrentRef>c6a0e8080e10e8940af6b1d1809e79fdd8de55b7</CoreClrCurrentRef>
+    <BuildToolsCurrentRef>c6a0e8080e10e8940af6b1d1809e79fdd8de55b7</BuildToolsCurrentRef>
   </PropertyGroup>
 
   <!-- Tests/infrastructure dependency versions. -->
   <PropertyGroup>
-    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>3.0.0-preview5-27611-71</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
+    <MicrosoftNETCoreRuntimeCoreCLRPackageVersion>3.0.0-preview5-27612-73</MicrosoftNETCoreRuntimeCoreCLRPackageVersion>
     <XunitPackageVersion>2.4.1</XunitPackageVersion>
     <XunitPerformanceApiPackageVersion>1.0.0-beta-build0015</XunitPerformanceApiPackageVersion>
     <MicrosoftDiagnosticsTracingTraceEventPackageVersion>2.0.36</MicrosoftDiagnosticsTracingTraceEventPackageVersion>
diff --git a/src/libraries/System.Private.CoreLib/src/System/Enum.cs b/src/libraries/System.Private.CoreLib/src/System/Enum.cs
index 52ae290..a979fe9 100644
--- a/src/libraries/System.Private.CoreLib/src/System/Enum.cs
+++ b/src/libraries/System.Private.CoreLib/src/System/Enum.cs
@@ -494,7 +494,7 @@ namespace System
 
                 default:
                     parsed = TryParseRareEnum(rt, value, valueSpan, ignoreCase, throwOnFailure, out object? objectResult);
-                    result = parsed ? (TEnum)objectResult : default;
+                    result = parsed ? (TEnum)objectResult! : default; // TODO-NULLABLE: https://github.com/dotnet/roslyn/issues/34976
                     return parsed;
             }
         }
-- 
2.7.4