fix(runtime-core): disable block tracking when calling compiled slot function in tempalte expressions

fix #1745, fix #1918

packages/runtime-core/src/vnode.ts

@@ -36,7 +36,6 @@ import { currentRenderingInstance } from './componentRenderUtils'
 import { RendererNode, RendererElement } from './renderer'
 import { NULL_DYNAMIC_COMPONENT } from './helpers/resolveAssets'
 import { hmrDirtyComponents } from './hmr'
-import { shouldTrackInSlotRendering } from './helpers/renderSlot'
 
 export const Fragment = (Symbol(__DEV__ ? 'Fragment' : undefined) as any) as {
   __isFragment: true
@@ -153,7 +152,7 @@ export interface VNode<
 // can divide a template into nested blocks, and within each block the node
 // structure would be stable. This allows us to skip most children diffing
 // and only worry about the dynamic nodes (indicated by patch flags).
-const blockStack: (VNode[] | null)[] = []
+export const blockStack: (VNode[] | null)[] = []
 let currentBlock: VNode[] | null = null
 
 /**
@@ -176,6 +175,11 @@ export function openBlock(disableTracking = false) {
   blockStack.push((currentBlock = disableTracking ? null : []))
 }
 
+export function closeBlock() {
+  blockStack.pop()
+  currentBlock = blockStack[blockStack.length - 1] || null
+}
+
 // Whether we should be tracking dynamic child nodes inside a block.
 // Only tracks when this value is > 0
 // We are not using a simple boolean because this value may need to be
@@ -227,8 +231,7 @@ export function createBlock(
   // save current block children on the block vnode
   vnode.dynamicChildren = currentBlock || EMPTY_ARR
   // close block
-  blockStack.pop()
-  currentBlock = blockStack[blockStack.length - 1] || null
+  closeBlock()
   // a block is always going to be patched, so track it as a child of its
   // parent block
   if (currentBlock) {
@@ -403,7 +406,7 @@ function _createVNode(
   normalizeChildren(vnode, children)
 
   if (
-    (shouldTrack > 0 || shouldTrackInSlotRendering > 0) &&
+    shouldTrack > 0 &&
     // avoid a block node from tracking itself
     !isBlockNode &&
     // has current parent block