fix(runtime-core): should not track dynamic children when the user calls a compiled slot inside template expression (#3554)

fix #3548, partial fix for #3569

packages/runtime-core/src/helpers/renderSlot.ts

@@ -1,5 +1,6 @@
 import { Data } from '../component'
 import { Slots, RawSlots } from '../componentSlots'
+import { ContextualRenderFn } from '../componentRenderContext'
 import { Comment, isVNode } from '../vnode'
 import {
   VNodeArrayChildren,
@@ -11,10 +12,6 @@ import {
 import { PatchFlags, SlotFlags } from '@vue/shared'
 import { warn } from '../warning'
 
-export let isRenderingCompiledSlot = 0
-export const setCompiledSlotRendering = (n: number) =>
-  (isRenderingCompiledSlot += n)
-
 /**
  * Compiler runtime helper for rendering `<slot/>`
  * @private
@@ -43,7 +40,9 @@ export function renderSlot(
   // invocation interfering with template-based block tracking, but in
   // `renderSlot` we can be sure that it's template-based so we can force
   // enable it.
-  isRenderingCompiledSlot++
+  if (slot && (slot as ContextualRenderFn)._c) {
+    ;(slot as ContextualRenderFn)._d = false
+  }
   openBlock()
   const validSlotContent = slot && ensureValidVNode(slot(props))
   const rendered = createBlock(
@@ -57,7 +56,9 @@ export function renderSlot(
   if (!noSlotted && rendered.scopeId) {
     rendered.slotScopeIds = [rendered.scopeId + '-s']
   }
-  isRenderingCompiledSlot--
+  if (slot && (slot as ContextualRenderFn)._c) {
+    ;(slot as ContextualRenderFn)._d = true
+  }
   return rendered
 }