Fix #1910: NRE in ViewState.Equals

6 years ago · 7f427a3c6f
1 changed files with 3 additions and 1 deletions
--- a/ILSpy/TextView/DecompilerTextView.cs
+++ b/ILSpy/TextView/DecompilerTextView.cs
@ -1070,7 +1070,9 @@ namespace ICSharpCode.ILSpy.TextView
 		public virtual bool Equals(ViewState other)
 		{
-			return ViewedUri == other.ViewedUri && (DecompiledNodes == other.DecompiledNodes || DecompiledNodes?.SetEquals(other.DecompiledNodes) == true);
+			return other != null
 				&& ViewedUri == other.ViewedUri
 				&& (DecompiledNodes == other.DecompiledNodes || DecompiledNodes?.SetEquals(other.DecompiledNodes) == true);
 		}
 	}