Use correct type for backward compatibility during binary serialization

dotnet · May 31, 2022 · 481e782 · 481e782
1 parent 8ee6d67
commit 481e782
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/Comparer.cs b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/Comparer.cs
@@ -86,7 +86,7 @@ public void GetObjectData(SerializationInfo info, StreamingContext context)
  if (!typeof(T).IsAssignableTo(typeof(IComparable<T>)))
  {
  // We used to use NullableComparer only for types implementing IComparable<T>
- info.SetType(typeof(ObjectComparer<T>));
+ info.SetType(typeof(ObjectComparer<T?>));
  }
  }
 

diff --git a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs
@@ -106,7 +106,7 @@ public void GetObjectData(SerializationInfo info, StreamingContext context)
  if (!typeof(T).IsAssignableTo(typeof(IEquatable<T>)))
  {
  // We used to use NullableComparer only for types implementing IEquatable<T>
- info.SetType(typeof(ObjectEqualityComparer<T>));
+ info.SetType(typeof(ObjectEqualityComparer<T?>));
  }
  }