bug #19986 [Form][EventDispatcher] Fix VarDumper usage related to perf regression (nicolas-grekas)
bug #19986 [Form][EventDispatcher] Fix VarDumper usage related to perf regression (nicolas-grekas)

This PR was merged into the 3.2-dev branch.

Discussion
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[Form][EventDispatcher] Fix VarDumper usage related to perf regression

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #19978
| License       | MIT
| Doc PR        | -

Commits
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294868e [Form][EventDispatcher] Fix VarDumper usage related to perf regression

symfony/HttpKernel,symfony/http-kernel