[TwigBundle] fixed compiler pass error
[TwigBundle] added conditions for routing & httpkernel extensions
merged branch jfsimon/issue-7373 (PR #7375)

This PR was merged into the master branch.

Commits
-------

82aa135 [TwigBundle] added conditions for routing & httpkernel extensions
ad5eb7e [TwigBundle] fixed compiler pass error

Discussion
----------

Issue 7373

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #7373