Compiler crash on v-if on svg or template

[jods4]

Version

3.0.0-alpha.4

Reproduction link

http://none.sorry

Steps to reproduce

I'm very sorry that I have not managed to create a short repro to share yet but I think this may be valuable.

When I'm trying to compile the following template, the compiler crashes:

<template>
  <nav>
    <div class='nav-top'>
      <div v-for='n of stack' :key='n.label' @click='go(n.group)' class='nav-item nav-parent'>{{ n.label }}</div>
    </div>
    <div v-for='n of nav' :key='n.label' @click='go(n)' :class='n.to ? "nav-item" : "nav-item nav-group"'
         style='display: flex'>
      <span style='flex: 1'>{{ n.label }}</span>
      <svg style='width: 1em; height: 1em; fill: currentcolor' v-if='n.to'>
        <use href='#down'></use>
      </svg>
    </div>
  </nav>
</template>

I have identified that the trigger for the bug is the v-if on <svg>. It also crashes if I put it on a template around the svg but it doesn't crash if I put it on a wrapping <div>.

What is expected?

No crash

What is actually happening?

Stack trace:

ERROR in ./ClientApp/navigation.vue?vue&type=template&id=75bc159b (./node_modules/vue-loader/dist/templateLoader.js??ref--5!./node_modules/vue-loader/dist??ref--10-0!./ClientApp/navigation.vue?vue&type=template&id=75bc159b)
Module build failed (from ./node_modules/vue-loader/dist/templateLoader.js):
TypeError: Cannot read property '1' of undefined
    at injectProp (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:479:83)
    at createChildrenCodegenNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:2633:9)
    at createCodegenNodeForBranch (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:2588:62)
    at Array.siblings (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:2528:42)
    at traverseNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1734:19)
    at traverseChildren (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1683:9)
    at traverseNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1728:13)
    at traverseChildren (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1683:9)
    at traverseNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1728:13)
    at traverseChildren (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1683:9)
    at traverseNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1728:13)
    at traverseChildren (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1683:9)
    at traverseNode (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1728:13)
    at transform (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:1617:5)
    at Object.baseCompile (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-core\dist\compiler-core.cjs.js:3783:5)
    at Object.compile (g:\proj\renault\portal\Src\Portal\node_modules\@vue\compiler-dom\dist\compiler-dom.cjs.js:2602:25)
 @ ./ClientApp/navigation.vue?vue&type=template&id=75bc159b 1:0-174 1:0-174
 @ ./ClientApp/navigation.vue
 @ ./node_modules/ts-loader??ref--1!./node_modules/vue-loader/dist??ref--10-0!./ClientApp/app.vue?vue&type=script&lang=ts
 @ ./ClientApp/app.vue?vue&type=script&lang=ts
 @ ./ClientApp/app.vue
 @ ./ClientApp/main.ts

[posva]

Have you tried using the current master version? It seems to work using the template explorer

[jods4]

This was alpha.4.
I tried to create a repro on the template explorer but I noticed it worked... that's why I couldn't put up a repro quickly.

I was in a hurry to leave work, I can try master this week-end or Monday to confirm if the bug is still there. If you can publish an alpha.5 it might even be better.

[yyx990803]

Closing since I can confirm this is fixed in current master. Will be releasing alpha.5 soon.

[jods4]

If template explorer is based on master, that would explain why I couldn't reproduce it then.
I just made a quick test and just having a plain <svg v-if='x'></svg> is a repro with alpha.4.