Syntax error on template + v-if + component + v-for

[Akryum]

Version

2.5.18-beta.0

Reproduction link

https://github.com/Akryum/vue-2-5-18-beta-0-syntax-error

Steps to reproduce

Write a template that has a v-if, which contains a component with a v-for:

<template v-if="list.length">
  <Foo
    v-for="(letter, index) of list"
    :key="index"
  />
</template>

What is expected?

Compiles fine

What is actually happening?

 error  in ./src/components/TestError.vue?vue&type=template&id=56272718&

Syntax Error: SyntaxError: Unexpected token (1:157)


 @ ./src/components/TestError.vue?vue&type=template&id=56272718& 1:0-383 1:0-383
 @ ./src/components/TestError.vue
 @ ./node_modules/cache-loader/dist/cjs.js??ref--12-0!./node_modules/thread-loader/dist/cjs.js!./node_modules/babel-loader/lib!./node_modules/cache-loader/dist/cjs.js??ref--0-0!./node_modules/vue-loader/lib??vue-loader-options!./src/App.vue?vue&type=script&lang=js&
 @ ./src/App.vue?vue&type=script&lang=js&
 @ ./src/App.vue
 @ ./src/main.js
 @ multi ./src/main.js


 ERROR  Build failed with errors.

[vickCZX]

use v-show replace v-if, because v-if is false ,the document is inexistence, so v-for will error

[sqal]

Already fixed #9142

[Akryum]

Woops 😸