Mark System.IO.Pipes Unsupported at assembly level (#41976)

mdh1418 · Mitchell Hwang · web-flow · commit bef2ca3b0408 · 2020-09-09T09:36:02.000-04:00
Co-authored-by: Mitchell Hwang &lt;mitchell.hwang@microsoft.com&gt;
diff --git a/src/libraries/System.IO.Pipes/Directory.Build.props b/src/libraries/System.IO.Pipes/Directory.Build.props
@@ -3,5 +3,6 @@
   <PropertyGroup>
     <StrongNameKeyId>Microsoft</StrongNameKeyId>
     <IncludePlatformAttributes>true</IncludePlatformAttributes>
+    <UnsupportedOSPlatforms>browser</UnsupportedOSPlatforms>
   </PropertyGroup>
 </Project>
