Merge branch '4.0'

* 4.0: (25 commits)
  [Form] fix how form type is referenced in test
  fix merge
  [Console] Fix console tests by adding the missing condition
  [Translation] Fix InvalidArgumentException when using untranslated plural forms from .po files
  Fixed exit code with non-integer throwable code
  [HttpFoundation] Support 0 bit netmask in IPv6 ()
  [DI] Impossible to set an environment variable and then an array as container parameter
  [Process] remove false-positive BC breaking exception on Windows
  Tweaking class not found autowiring error
  [LDAP] added missing dots at the end of some exception messages.
  [TwigBridge] Add missing dev requirement for workflow
  fixed #25440
  empty lines don't count for indent detection
  Set `width: auto` on WebProfiler toolbar's reset.
  [Lock] Fix incorrect phpdoc
  [Process] Dont rely on putenv(), it fails on ZTS PHP
  [HttpKernel] detect deprecations thrown by container initialization during tests
  [HttpKernel] Fix logging of post-terminate errors/exceptions
  [DI] Add context to service-not-found exceptions thrown by service locators
  [Debug] Fix catching fatal errors in case of nested error handlers
  ...

Author: nicolas-grekas

Client.php

@@ -346,6 +346,7 @@ protected function doRequestInProcess($request)
     {
         $deprecationsFile = tempnam(sys_get_temp_dir(), 'deprec');
         putenv('SYMFONY_DEPRECATIONS_SERIALIZE='.$deprecationsFile);
+        $_ENV['SYMFONY_DEPRECATIONS_SERIALIZE'] = $deprecationsFile;
         $process = new PhpProcess($this->getScript($request), null, null);
         $process->run();