Seal Equals and GetHashCode on DependencyNode

Dependency nodes always use referential equality. Trying to provide
other semantics would break the dependency analysis engine, so let's
forbid that.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/ILCompiler.DependencyAnalysisFramework/src/DependencyNode.cs b/src/ILCompiler.DependencyAnalysisFramework/src/DependencyNode.cs
index 6babb4de5..47ee408d5 100644
--- a/src/ILCompiler.DependencyAnalysisFramework/src/DependencyNode.cs
+++ b/src/ILCompiler.DependencyAnalysisFramework/src/DependencyNode.cs
@@ -46,5 +46,15 @@ namespace ILCompiler.DependencyAnalysisFramework
         {
             return GetName();
         }
+
+        public sealed override bool Equals(object obj)
+        {
+            return Object.ReferenceEquals(this, obj);
+        }
+
+        public sealed override int GetHashCode()
+        {
+            return base.GetHashCode();
+        }
     }
 }