Merge branch '5.1' into 5.x

* 5.1:
  [DI] fix dumping env vars
  [HttpClient] skip executing the multi handle when it's freed already
  [HttpClient] fix using freed curl resource at destruct time
  [HttpClient] shutdown verbose output from curl at destruction
  fix warning for preloading TranslatorTrait class
  [Typography] Remove unneeded description comments

Author: nicolas-grekas

src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

@@ -1479,7 +1479,7 @@ private function addDefaultParametersMethod(): string
             $export = $this->exportParameters([$value]);
             $export = explode('0 => ', substr(rtrim($export, " ]\n"), 2, -1), 2);
 
-            if (preg_match("/\\\$this->(?:getEnv\('(?:\w++:)*+\w++'\)|targetDir\.'')/", $export[1])) {
+            if (preg_match("/\\\$this->(?:getEnv\('(?:[-.\w]*+:)*+\w++'\)|targetDir\.'')/", $export[1])) {
                 $dynamicPhp[$key] = sprintf('%scase %s: $value = %s; break;', $export[0], $this->export($key), $export[1]);
             } else {
                 $php[] = sprintf('%s%s => %s,', $export[0], $this->export($key), $export[1]);
@@ -1885,7 +1885,7 @@ private function dumpParameter(string $name): string
                 return $dumpedValue;
             }
 
-            if (!preg_match("/\\\$this->(?:getEnv\('(?:\w++:)*+\w++'\)|targetDir\.'')/", $dumpedValue)) {
+            if (!preg_match("/\\\$this->(?:getEnv\('(?:[-.\w]*+:)*+\w++'\)|targetDir\.'')/", $dumpedValue)) {
                 return sprintf('$this->parameters[%s]', $this->doExport($name));
             }
         }

src/Symfony/Component/HttpClient/CurlHttpClient.php

@@ -331,8 +331,10 @@ public function stream($responses, float $timeout = null): ResponseStreamInterfa
             throw new \TypeError(sprintf('"%s()" expects parameter 1 to be an iterable of CurlResponse objects, "%s" given.', __METHOD__, get_debug_type($responses)));
         }
 
-        $active = 0;
-        while (\CURLM_CALL_MULTI_PERFORM === curl_multi_exec($this->multi->handle, $active));
+        if (\is_resource($this->multi->handle) || $this->multi->handle instanceof \CurlMultiHandle) {
+            $active = 0;
+            while (\CURLM_CALL_MULTI_PERFORM === curl_multi_exec($this->multi->handle, $active));
+        }
 
         return new ResponseStream(CurlResponse::stream($responses, $timeout));
     }

src/Symfony/Component/HttpClient/Response/CurlResponse.php

@@ -247,6 +247,8 @@ public function getContent(bool $throw = true): string
 
     public function __destruct()
     {
+        curl_setopt($this->handle, \CURLOPT_VERBOSE, false);
+
         if (null === $this->timeout) {
             return; // Unused pushed response
         }

src/Symfony/Component/Serializer/Encoder/DecoderInterface.php

@@ -14,8 +14,6 @@
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 
 /**
- * Defines the interface of decoders.
- *
  * @author Jordi Boggiano <[email protected]>
  */
 interface DecoderInterface

src/Symfony/Component/Serializer/Encoder/EncoderInterface.php

@@ -14,8 +14,6 @@
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 
 /**
- * Defines the interface of encoders.
- *
  * @author Jordi Boggiano <[email protected]>
  */
 interface EncoderInterface

src/Symfony/Component/Serializer/Normalizer/DenormalizerAwareInterface.php

@@ -12,8 +12,6 @@
 namespace Symfony\Component\Serializer\Normalizer;
 
 /**
- * Class accepting a denormalizer.
- *
  * @author Joel Wurtz <[email protected]>
  */
 interface DenormalizerAwareInterface

src/Symfony/Component/Serializer/Normalizer/DenormalizerAwareTrait.php

@@ -12,8 +12,6 @@
 namespace Symfony\Component\Serializer\Normalizer;
 
 /**
- * DenormalizerAware trait.
- *
  * @author Joel Wurtz <[email protected]>
  */
 trait DenormalizerAwareTrait

src/Symfony/Component/Serializer/Normalizer/DenormalizerInterface.php

@@ -20,8 +20,6 @@
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 
 /**
- * Defines the interface of denormalizers.
- *
  * @author Jordi Boggiano <[email protected]>
  */
 interface DenormalizerInterface

src/Symfony/Component/Serializer/Normalizer/NormalizerAwareInterface.php

@@ -12,8 +12,6 @@
 namespace Symfony\Component\Serializer\Normalizer;
 
 /**
- * Class accepting a normalizer.
- *
  * @author Joel Wurtz <[email protected]>
  */
 interface NormalizerAwareInterface

src/Symfony/Component/Serializer/Normalizer/NormalizerAwareTrait.php

@@ -12,8 +12,6 @@
 namespace Symfony\Component\Serializer\Normalizer;
 
 /**
- * NormalizerAware trait.
- *
  * @author Joel Wurtz <[email protected]>
  */
 trait NormalizerAwareTrait