const getters/setters are unsupported (simply omit the setter)

lib/MemberBuilderValidator.js

@@ -291,6 +291,14 @@ exports.prototype.validateGetterSetter = function(
         );
     }
 
+    // for const getters/setters, omit the setter
+    if ( keywords[ 'const' ] )
+    {
+        throw TypeError(
+            "Cannot declare const getter/setter '" + name + "'"
+        );
+    }
+
     if ( prev || prev_gs )
     {
         // perform this check first, as it will make more sense than those that

test/MemberBuilderValidator/GetterSetterTest.js

@@ -154,4 +154,15 @@ require( 'common' ).testCase(
     {
         this.quickKeywordTest( [ 'abstract' ], 'abstract' );
     },
+
+
+    /**
+     * As getters/setters are essentially methods, they are treated very
+     * similarity. They cannot be declared as const. Rather, that should be
+     * handled by omitting a setter.
+     */
+    'Cannot declare const getters/setters': function()
+    {
+        this.quickKeywordTest( [ 'const' ], 'const' );
+    },
 } );