Added static validations for getters/setters

lib/MemberBuilderValidator.js

@@ -299,6 +299,15 @@ exports.prototype.validateGetterSetter = function(
         );
     }
 
+    // virtual static does not make sense, as static methods cannot be
+    // overridden
+    if ( keywords[ 'virtual' ] && ( keywords[ 'static' ] ) )
+    {
+        throw TypeError(
+            "Cannot declare static method '" + name + "' as virtual"
+        );
+    }
+
     if ( prev || prev_gs )
     {
         // perform this check first, as it will make more sense than those that

test/MemberBuilderValidator/GetterSetterTest.js

@@ -41,7 +41,7 @@ require( 'common' ).testCase(
         {
             shared.quickKeywordTest.call( this,
                 'validateGetterSetter', keywords, identifier, prev,
-                { get: function() {}, set: function() {} }
+                prev && { get: function() {}, set: function() {} }
             );
         };
 
@@ -198,4 +198,20 @@ require( 'common' ).testCase(
     {
         this.quickKeywordTest( [ 'override' ], 'non-virtual', [] );
     },
+
+
+    'Can declare getter/setter as static': function()
+    {
+        this.quickKeywordTest( [ 'static' ] );
+    },
+
+
+    /**
+     * As static members cannot be overridden, it does not make sense to permit
+     * the 'static' and 'virtual' keywords to be used together.
+     */
+    'Cannot declare getter/setter as both static and virtual': function()
+    {
+        this.quickKeywordTest( [ 'static', 'virtual' ], 'static' );
+    },
 } );