Linked messages are not resolved when used in component interpolation

[kashiif]

vue & vue-i18n version

2.3.3, 7.0.0

Reproduction Link

https://github.com/kashiif/vue-intl-test

Steps to reproduce

1. Run the app in above repo
2. See heading Linked Messages in Component interpolation (Items 3,4 fails)

What is Expected?

Under heading Linked Messages in Component interpolation (Items 3,4 fails):

• The third item should have displayed:

  topLevel.error_message: hello error_message (Underscore)
  

• The fourth item should have displayed:

  topLevel.linked1: hello linked1: hello
  

What is actually happening?

The linked messages are not resolved when used in the component interpolation.

• The third item is displayed:

  topLevel.error_message: hello
  

• The fourth item is displayed:

  topLevel.linked1: hello