4.1.0 breaks tsx support

[johannes-z]

Version

4.1.0

Reproduction link

https://github.com/johannes-z/vuecli-tsx-repro

Environment info

  System:
    OS: Windows 10 10.0.18362
    CPU: (8) x64 Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz
  Binaries:
    Node: 10.15.3 - ...\nodejs\node.EXE     
    Yarn: 1.19.1 - ...\bin\yarn.CMD
    npm: 6.4.1 - ...\nodejs\npm.CMD
  Browsers:
    Edge: 44.18362.449.0
  npmPackages:
    @vue/babel-helper-vue-jsx-merge-props:  1.0.0
    @vue/babel-plugin-transform-vue-jsx:  1.1.2
    @vue/babel-preset-app:  4.1.0
    @vue/babel-preset-jsx:  1.1.2
    @vue/babel-sugar-functional-vue:  1.1.2
    @vue/babel-sugar-inject-h:  1.1.2
    @vue/babel-sugar-v-model:  1.1.2
    @vue/babel-sugar-v-on:  1.1.2
    @vue/cli-overlay:  4.1.0
    @vue/cli-plugin-babel: ^4.1.0 => 4.1.0
    @vue/cli-plugin-eslint: ^4.1.0 => 4.1.0
    @vue/cli-plugin-router:  4.1.0
    @vue/cli-plugin-typescript: ^4.1.0 => 4.1.0
    @vue/cli-plugin-vuex:  4.1.0
    @vue/cli-service: ^4.1.0 => 4.1.0
    @vue/cli-shared-utils:  4.1.0
    @vue/component-compiler-utils:  3.0.2
    @vue/eslint-config-standard: ^4.0.0 => 4.0.0
    @vue/eslint-config-typescript: ^4.0.0 => 4.0.0
    @vue/preload-webpack-plugin:  1.1.1
    @vue/web-component-wrapper:  1.2.0
    eslint-plugin-vue: ^5.0.0 => 5.2.3
    portal-vue:  2.1.6
    typescript: ~3.5.3 => 3.5.3
    vue: ^2.6.10 => 2.6.10
    vue-class-component: ^7.1.0 => 7.1.0
    vue-eslint-parser:  5.0.0
    vue-hot-reload-api:  2.3.4
    vue-loader:  15.7.2
    vue-property-decorator: ^8.3.0 => 8.3.0
    vue-style-loader:  4.1.2
    vue-template-compiler: ^2.6.10 => 2.6.10
    vue-template-es2015-compiler:  1.9.1
  npmGlobalPackages:
    @vue/cli: Not Found

Steps to reproduce

yarn / npm i
yarn serve / npm run serve

What is expected?

Successful build

What is actually happening?

error  in ./src/components/HelloWorld.vue?vue&type=script&lang=tsx&

Module build failed (from ./node_modules/ts-loader/index.js):
Error: TypeScript emitted no output for ...\vue-tsx-test\src\components\HelloWorld.vue.tsx.

---

If you downgrade the @vue/ packages to 4.0.0, the build works again.