bug #36548 [DI] fix lazy factory code generation (nicolas-grekas)

This PR was merged into the 5.1-dev branch.

Discussion
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[DI] fix lazy factory code generation

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| Deprecations? | no
| Tickets       | #36547
| License       | MIT
| Doc PR        | -

Commits
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7d55151ff4 [DI] fix lazy factory code generation

Author: fabpot

Dumper/PhpDumper.php

@@ -851,7 +851,8 @@ protected function {$methodName}($lazyInitialization)
 
             if ($this->getProxyDumper()->isProxyCandidate($definition)) {
                 $factoryCode = $asFile ? "\$this->load('%s', false)" : '$this->%s(false)';
-                $code .= $this->getProxyDumper()->getProxyFactoryCode($definition, $id, sprintf($factoryCode, $methodName));
+                $factoryCode = $this->getProxyDumper()->getProxyFactoryCode($definition, $id, sprintf($factoryCode, $methodName));
+                $code .= $asFile ? preg_replace('/function \(([^)]*+)\) {/', 'function (\1) use ($container) {', $factoryCode) : $factoryCode;
             }
 
             $code .= $this->addServiceInclude($id, $definition);