fix(keep-alive): include/exclude should work with async component (#3531)

fix #3529

packages/runtime-core/src/components/KeepAlive.ts

@@ -36,6 +36,7 @@ import {
 import { setTransitionHooks } from './BaseTransition'
 import { ComponentRenderContext } from '../componentPublicInstance'
 import { devtoolsComponentAdded } from '../devtools'
+import { isAsyncWrapper } from '../apiAsyncComponent'
 
 type MatchPattern = string | RegExp | string[] | RegExp[]
 
@@ -257,7 +258,15 @@ const KeepAliveImpl: ComponentOptions = {
 
       let vnode = getInnerChild(rawVNode)
       const comp = vnode.type as ConcreteComponent
-      const name = getComponentName(comp)
+
+      // for async components, name check should be based in its loaded
+      // inner component if available
+      const name = getComponentName(
+        isAsyncWrapper(vnode)
+          ? (vnode.type as ComponentOptions).__asyncResolved || {}
+          : comp
+      )
+
       const { include, exclude, max } = props
 
       if (