Merge branch '5.4' into 6.3

* 5.4:
  [HttpClient] Fix pausing responses before they start when using curl
  separate child and parent context in NotificationEmail on writes
  do not overwrite the cache key when it is false
  [Mailer] Throw TransportException when unable to read from socket
  [Serializer] Rewrite `AbstractObjectNormalizer::createChildContext()` to use the provided `cache_key` from original context when creating child contexts
  [HttpClient] Fix error chunk creation in passthru
  Adjusting and removing the 'review' attribute from the pt_br translation XML.
  [Serializer] Take unnamed variadic parameters into account when denormalizing

Response/AsyncResponse.php

@@ -65,7 +65,7 @@ public function __construct(HttpClientInterface $client, string $method, string
             while (true) {
                 foreach (self::stream([$response], $timeout) as $chunk) {
                     if ($chunk->isTimeout() && $response->passthru) {
-                        foreach (self::passthru($response->client, $response, new ErrorChunk($response->offset, new TransportException($chunk->getError()))) as $chunk) {
+                        foreach (self::passthru($response->client, $response, new ErrorChunk($response->offset, $chunk->getError())) as $chunk) {
                             if ($chunk->isFirst()) {
                                 return false;
                             }

Response/CurlResponse.php

@@ -98,7 +98,6 @@ public function __construct(CurlClientState $multi, \CurlHandle|string $ch, ?arr
         $this->info['pause_handler'] = static function (float $duration) use ($ch, $multi, $execCounter) {
             if (0 < $duration) {
                 if ($execCounter === $multi->execCounter) {
-                    $multi->execCounter = !\is_float($execCounter) ? 1 + $execCounter : \PHP_INT_MIN;
                     curl_multi_remove_handle($multi->handle, $ch);
                 }
 

Tests/RetryableHttpClientTest.php

@@ -13,6 +13,7 @@
 
 use PHPUnit\Framework\TestCase;
 use Symfony\Component\HttpClient\Exception\ServerException;
+use Symfony\Component\HttpClient\Exception\TimeoutException;
 use Symfony\Component\HttpClient\HttpClient;
 use Symfony\Component\HttpClient\MockHttpClient;
 use Symfony\Component\HttpClient\NativeHttpClient;
@@ -21,6 +22,7 @@
 use Symfony\Component\HttpClient\Retry\GenericRetryStrategy;
 use Symfony\Component\HttpClient\RetryableHttpClient;
 use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
+use Symfony\Contracts\HttpClient\Test\TestHttpServer;
 
 class RetryableHttpClientTest extends TestCase
 {
@@ -245,6 +247,35 @@ public function testRetryOnErrorAssertContent()
         self::assertSame('Test out content', $response->getContent(), 'Content should be buffered');
     }
 
+    /**
+     * @testWith ["GET"]
+     *           ["POST"]
+     *           ["PUT"]
+     *           ["PATCH"]
+     *           ["DELETE"]
+     */
+    public function testRetryOnHeaderTimeout(string $method)
+    {
+        $client = HttpClient::create();
+
+        if ($client instanceof NativeHttpClient) {
+            $this->markTestSkipped('NativeHttpClient cannot timeout before receiving headers');
+        }
+
+        TestHttpServer::start();
+
+        $client = new RetryableHttpClient($client);
+        $response = $client->request($method, 'http://localhost:8057/timeout-header', ['timeout' => 0.1]);
+
+        try {
+            $response->getStatusCode();
+            $this->fail(TimeoutException::class.' expected');
+        } catch (TimeoutException $e) {
+        }
+
+        $this->assertSame('Idle timeout reached for "http://localhost:8057/timeout-header".', $response->getInfo('error'));
+    }
+
     public function testRetryWithMultipleBaseUris()
     {
         $client = new RetryableHttpClient(