feat(compiler): annotate patchFlags in generated code

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

@@ -107,7 +107,12 @@ describe('renderer: fragment', () => {
   it('patch fragment children (compiler generated, unkeyed)', () => {
     const root = nodeOps.createElement('div')
     render(
-      createVNode(Fragment, null, [h('div', 'one'), 'two'], PatchFlags.UNKEYED),
+      createVNode(
+        Fragment,
+        null,
+        [h('div', 'one'), 'two'],
+        PatchFlags.UNKEYED_V_FOR
+      ),
       root
     )
     expect(serializeInner(root)).toBe(`<!----><div>one</div>two<!---->`)
@@ -117,7 +122,7 @@ describe('renderer: fragment', () => {
         Fragment,
         null,
         [h('div', 'foo'), 'bar', 'baz'],
-        PatchFlags.UNKEYED
+        PatchFlags.UNKEYED_V_FOR
       ),
       root
     )
@@ -132,7 +137,7 @@ describe('renderer: fragment', () => {
         Fragment,
         null,
         [h('div', { key: 1 }, 'one'), h('div', { key: 2 }, 'two')],
-        PatchFlags.KEYED
+        PatchFlags.KEYED_V_FOR
       ),
       root
     )
@@ -146,7 +151,7 @@ describe('renderer: fragment', () => {
         Fragment,
         null,
         [h('div', { key: 2 }, 'two'), h('div', { key: 1 }, 'one')],
-        PatchFlags.KEYED
+        PatchFlags.KEYED_V_FOR
       ),
       root
     )

packages/runtime-core/src/createRenderer.ts

@@ -1230,7 +1230,7 @@ export function createRenderer<
     // fast path
     const { patchFlag, shapeFlag } = n2
     if (patchFlag) {
-      if (patchFlag & PatchFlags.KEYED) {
+      if (patchFlag & PatchFlags.KEYED_V_FOR) {
         // this could be either fully-keyed or mixed (some keyed some not)
         // presence of patchFlag means children are guaranteed to be arrays
         patchKeyedChildren(
@@ -1244,7 +1244,7 @@ export function createRenderer<
           optimized
         )
         return
-      } else if (patchFlag & PatchFlags.UNKEYED) {
+      } else if (patchFlag & PatchFlags.UNKEYED_V_FOR) {
         // unkeyed
         patchUnkeyedChildren(
           c1 as HostVNode[],