Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.Web.Mvc3/Mvc/ExpressionUtil/ConditionalExpressionFingerprint.cs

@@ -0,0 +1,28 @@
+#pragma warning disable 659 // overrides AddToHashCodeCombiner instead
+
+namespace System.Web.Mvc.ExpressionUtil {
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+    using System.Linq.Expressions;
+
+    // ConditionalExpression fingerprint class
+    // Expression of form (test) ? ifTrue : ifFalse
+
+    [SuppressMessage("Microsoft.Usage", "CA2218:OverrideGetHashCodeOnOverridingEquals", Justification = "Overrides AddToHashCodeCombiner() instead.")]
+    internal sealed class ConditionalExpressionFingerprint : ExpressionFingerprint {
+
+        public ConditionalExpressionFingerprint(ExpressionType nodeType, Type type)
+            : base(nodeType, type) {
+
+            // There are no properties on ConditionalExpression that are worth including in
+            // the fingerprint.
+        }
+
+        public override bool Equals(object obj) {
+            ConditionalExpressionFingerprint other = obj as ConditionalExpressionFingerprint;
+            return (other != null)
+                && this.Equals(other);
+        }
+
+    }
+}