symfony/symfony — pull request #13021 by xabbuh (2014-12-17 20:12:23+00:00)
Title: [FrameworkBundle] skip compiler pass if interface doesn't exist

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #12813
| License | MIT
| Doc PR |

The FrameworkBundle doesn't depend on the `symfony/translation`
component and therefore does not enforce a high enough version of this
package. Thus, with `symfony/translation` versions before `2.6`, the
`translator` service does exist, but the `TranslatorBagInterface` is
not present.