fix #27775, enum declaration where "name" is a property

pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart

Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart
index 87ed08b8be5d1f2e588da66be9c372c3a37a7f5b..1c778719df1ab84ff1059e6b4a0bdfb62c059c85 100644
--- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart
+++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/classes.dart
@@ -540,3 +540,16 @@ defineNamedConstructorCallable(clazz, name, ctor) => JS(
   // like `caller` and `arguments`.
   $defineProperty($clazz, $name, { value: ctor, configurable: true });
 })()''');
+
+defineEnumValues(enumClass, names) => JS(
+    '',
+    '''(() => {
+  let values = [];
+  for (var i = 0; i < $names.length; i++) {
+    let value = $const_(new $enumClass(i));
+    values.push(value);
+    Object.defineProperty($enumClass, $names[i],
+        { value: value, configurable: true });
+  }
+  $enumClass.values = $constList(values, $enumClass);
+})()''');