From: Maksym Koshovyi <maximkoshevoi61@gmail.com>
Date: Sun, 15 Aug 2021 00:57:36 +0000 (+0300)
Subject: Fix `FileProviders.Physical.GetLastWriteTimeUtc` crash (#57415)
X-Git-Tag: accepted/tizen/unified/20220110.054933~380
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cb61f933b3092810fe7e962ba2dab4304df4979e;p=platform%2Fupstream%2Fdotnet%2Fruntime.git

Fix `FileProviders.Physical.GetLastWriteTimeUtc` crash (#57415)

* Update PollingFileChangeToken.cs

* Return min date on fail
---

diff --git a/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PollingFileChangeToken.cs b/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PollingFileChangeToken.cs
index f49eacb..6d8f70b 100644
--- a/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PollingFileChangeToken.cs
+++ b/src/libraries/Microsoft.Extensions.FileProviders.Physical/src/PollingFileChangeToken.cs
@@ -65,7 +65,7 @@ namespace Microsoft.Extensions.FileProviders.Physical
                 catch (IOException) { } // https://github.com/dotnet/runtime/issues/57221
             }
 
-            return lastWriteTimeUtc.Value;
+            return lastWriteTimeUtc ?? DateTime.MinValue;
         }
 
         /// <summary>