Disallow empty file in FileValidator
feature #3746 [Validator] Disallow empty file in FileValidator (megazoll)

This PR was merged into the master branch.

Discussion
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[Validator] Disallow empty file in FileValidator

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | yes (symfony/symfony#11125)
| Applies to    | 2.6+

Commits
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80673d5 Disallow empty file in FileValidator