Fix Date built-in attribute defaults (true, false, true)

date_test.go

@@ -94,6 +94,11 @@ func TestDate(t *testing.T) {
 	// Date()
 	test(`typeof Date()`, "string")
 	test(`typeof Date(2006, 1, 2)`, "string")
+
+	test(`
+        abc = Object.getOwnPropertyDescriptor(Date, "parse");
+        [ abc.value === Date.parse, abc.writable, abc.enumerable, abc.configurable ];
+    `, "true,true,false,true")
 }
 
 func TestDate_parse(t *testing.T) {

global.go

@@ -662,7 +662,7 @@ func newContext() *_runtime {
 	)
 
 	self.Global.Date.write(
-		_propertyMode(0),
+		_propertyMode(0101),
 		"parse", builtinDate_parse,
 		"UTC", builtinDate_UTC,
 	)