From ff05be06ec112d406bc4428e94cdc3de5b59f8a9 Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Wed, 10 Jun 2020 17:33:47 +0200
Subject: [PATCH] [HttpClient] fix offset computation for data chunks

---
 src/Symfony/Component/HttpClient/Response/ResponseTrait.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/HttpClient/Response/ResponseTrait.php b/src/Symfony/Component/HttpClient/Response/ResponseTrait.php
index 80894ffb0103..8d4fe59ae687 100644
--- a/src/Symfony/Component/HttpClient/Response/ResponseTrait.php
+++ b/src/Symfony/Component/HttpClient/Response/ResponseTrait.php
@@ -359,8 +359,9 @@ public static function stream(iterable $responses, float $timeout = null): \Gene
                                 continue;
                             }
 
-                            $response->offset += \strlen($chunk);
+                            $chunkLen = \strlen($chunk);
                             $chunk = new DataChunk($response->offset, $chunk);
+                            $response->offset += $chunkLen;
                         } elseif (null === $chunk) {
                             $e = $multi->handlesActivity[$j][0];
                             unset($responses[$j], $multi->handlesActivity[$j]);