fix(runtime-core): fix missed updates when passing text vnode to <component :is>

packages/runtime-core/__tests__/vnode.spec.ts

@@ -63,6 +63,17 @@ describe('vnode', () => {
  })
  })
 
+ test('create from an existing text vnode', () => {
+ const vnode1 = createVNode('div', null, 'text', PatchFlags.TEXT)
+ const vnode2 = createVNode(vnode1)
+ expect(vnode2).toMatchObject({
+ type: 'div',
+ patchFlag: PatchFlags.BAIL,
+ children: 'text',
+ shapeFlag: ShapeFlags.ELEMENT | ShapeFlags.TEXT_CHILDREN,
+ })
+ })
+
  test('vnode keys', () => {
  for (const key of ['', 'a', 0, 1, NaN]) {
  expect(createVNode('div', { key }).key).toBe(key)

packages/runtime-core/src/vnode.ts

@@ -547,7 +547,7 @@ function _createVNode(
  currentBlock.push(cloned)
  }
  }
- cloned.patchFlag |= PatchFlags.BAIL
+ cloned.patchFlag = PatchFlags.BAIL
  return cloned
  }