Function Symbol

deps/v8/test/mjsunit/object-seal.js:466–470

("test"));
if(!%IsUndefinedDoubleEnabled())

// Verify after transition from preventExtensions
obj = new Array(undefined, null, 1, -1, 'a', Symbol("test"));
if(!%IsUndefinedDoubleEnabled()) {
  // TODO(385155404): Consider reenabling when we can transition back to packed.
  assertTrue(%HasPackedElements(obj));
}
Object.preventExtensions(obj);
Object.seal(obj);
testPackedSealedArray1(obj);