From df4737080bb7f40f91fdc2203f67882236039546 Mon Sep 17 00:00:00 2001
From: Cheena Malhotra <v-chmalh@microsoft.com>
Date: Wed, 28 Apr 2021 12:23:23 -0700
Subject: [PATCH 1/2] Update langVersion to 8.0

---
 src/Directory.Build.props | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 8b0b9d42fd..97fcc0b923 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
+    <LangVersion>8.0</LangVersion>
     <TargetsWindows Condition="'$(OS)' == 'Windows_NT' AND '$(OSGroup)' == ''">true</TargetsWindows>
     <TargetsWindows Condition="'$(OS)' != 'Windows_NT' AND '$(OSGroup)' == ''">false</TargetsWindows>
     <TargetsWindows Condition="'$(OSGroup)' == 'Windows_NT'">true</TargetsWindows>

From 7b40ebcab6f4281cdf7dc049af5ca14f049a4c78 Mon Sep 17 00:00:00 2001
From: Cheena Malhotra <v-chmalh@microsoft.com>
Date: Wed, 28 Apr 2021 13:06:49 -0700
Subject: [PATCH 2/2] Update to 9.0

---
 src/Directory.Build.props | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Directory.Build.props b/src/Directory.Build.props
index 97fcc0b923..6acb394869 100644
--- a/src/Directory.Build.props
+++ b/src/Directory.Build.props
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
-    <LangVersion>8.0</LangVersion>
+    <LangVersion>9.0</LangVersion>
     <TargetsWindows Condition="'$(OS)' == 'Windows_NT' AND '$(OSGroup)' == ''">true</TargetsWindows>
     <TargetsWindows Condition="'$(OS)' != 'Windows_NT' AND '$(OSGroup)' == ''">false</TargetsWindows>
     <TargetsWindows Condition="'$(OSGroup)' == 'Windows_NT'">true</TargetsWindows>