Use a wrapped comparer as the default comparer

dotnet · Jan 15, 2025 · 330ad77 · 330ad77
1 parent 65fcae7
commit 330ad77
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/src/Compilers/Core/Portable/SourceGeneration/Nodes/NodeStateTable.cs b/src/Compilers/Core/Portable/SourceGeneration/Nodes/NodeStateTable.cs
@@ -256,7 +256,7 @@ internal Builder(
                 _states = ArrayBuilder<TableEntry>.GetInstance(tableCapacity ?? previous.GetTotalEntryItemCount());
                 _previous = previous;
                 _name = name;
-                _equalityComparer = equalityComparer ?? EqualityComparer<T>.Default;
+                _equalityComparer = equalityComparer ?? WrappedUserComparer<T>.Default;
                 if (stepTrackingEnabled)
                 {
                     _steps = ArrayBuilder<IncrementalGeneratorRunStep>.GetInstance();

diff --git a/src/Compilers/Core/Portable/SourceGeneration/UserFunction.cs b/src/Compilers/Core/Portable/SourceGeneration/UserFunction.cs
@@ -25,6 +25,8 @@ internal sealed class WrappedUserComparer<T> : IEqualityComparer<T>
     {
         private readonly IEqualityComparer<T> _inner;
 
+        public static WrappedUserComparer<T> Default { get; } = new WrappedUserComparer<T>(EqualityComparer<T>.Default);
+
         public WrappedUserComparer(IEqualityComparer<T> inner)
         {
             _inner = inner;