1 files changed, 10 insertions, 5 deletions
diff --git a/src/System.Private.CoreLib/src/Internal/IntrinsicSupport/EqualityComparerHelpers.cs b/src/System.Private.CoreLib/src/Internal/IntrinsicSupport/EqualityComparerHelpers.cs
index 73ed2b25d..b9c735ca1 100644
--- a/src/System.Private.CoreLib/src/Internal/IntrinsicSupport/EqualityComparerHelpers.cs
+++ b/src/System.Private.CoreLib/src/Internal/IntrinsicSupport/EqualityComparerHelpers.cs
@@ -195,10 +195,15 @@ namespace Internal.IntrinsicSupport
 #endif
         }
 
+        private static bool StructOnlyNormalEquals<T>(T left, T right)
+        {
+            return left.Equals(right);
+        }
+
         [Intrinsic]
         internal static bool StructOnlyEquals<T>(T left, T right)
         {
-            return left.Equals(right);
+            return EqualityComparer<T>.Default.Equals(left, right);
         }
     }
 }
@@ -239,7 +244,7 @@ namespace System.Collections.Generic
         }
 
         // Equals method for the comparer itself.
-        public sealed override bool Equals(Object obj) => obj is GenericEqualityComparer<T>;
+        public sealed override bool Equals(object obj) => obj is GenericEqualityComparer<T>;
         
         public sealed override int GetHashCode() => typeof(GenericEqualityComparer<T>).GetHashCode();
     }
@@ -270,7 +275,7 @@ namespace System.Collections.Generic
 
 
         // Equals method for the comparer itself.
-        public sealed override bool Equals(Object obj) => obj is NullableEqualityComparer<T>;
+        public sealed override bool Equals(object obj) => obj is NullableEqualityComparer<T>;
 
         public sealed override int GetHashCode() => typeof(NullableEqualityComparer<T>).GetHashCode();
     }
@@ -303,7 +308,7 @@ namespace System.Collections.Generic
         }
 
         // Equals method for the comparer itself.
-        public override bool Equals(Object obj) => obj is EnumEqualityComparer<T>;
+        public override bool Equals(object obj) => obj is EnumEqualityComparer<T>;
 
         public override int GetHashCode() => typeof(EnumEqualityComparer<T>).GetHashCode();
     }
@@ -335,7 +340,7 @@ namespace System.Collections.Generic
         }
 
         // Equals method for the comparer itself.
-        public sealed override bool Equals(Object obj)
+        public sealed override bool Equals(object obj)
         {
             if(obj == null)
             {