perf: avoid deopt for props/emits normalization when global mixins are used

packages/runtime-core/src/componentProps.ts

@@ -436,8 +436,10 @@ export function normalizePropsOptions(
   appContext: AppContext,
   asMixin = false
 ): NormalizedPropsOptions {
-  if (!appContext.deopt && comp.__props) {
-    return comp.__props
+  const cache = appContext.propsCache
+  const cached = cache.get(comp)
+  if (cached) {
+    return cached
   }
 
   const raw = comp.props
@@ -468,7 +470,8 @@ export function normalizePropsOptions(
   }
 
   if (!raw && !hasExtends) {
-    return (comp.__props = EMPTY_ARR as any)
+    cache.set(comp, EMPTY_ARR as any)
+    return EMPTY_ARR as any
   }
 
   if (isArray(raw)) {
@@ -506,7 +509,9 @@ export function normalizePropsOptions(
     }
   }
 
-  return (comp.__props = [normalized, needCastKeys])
+  const res: NormalizedPropsOptions = [normalized, needCastKeys]
+  cache.set(comp, res)
+  return res
 }
 
 function validatePropName(key: string) {