Merge branch '5.3' into 5.4

* 5.3:
  [HttpClient] Don't ignore errors from curl_multi_exec()
  [HttpClient] Double check if handle is complete
  CI for macOS
  [DependencyInjection] Resolve ChildDefinition in AbstractRecursivePass
  [Translation] [Bridge] [Lokalise] Fix push keys to lokalise. Closes #…
  [PropertyAccess] Fix accessing public property in Object
  [Process] fixed uppercase ARGC and ARGV should also be skipped
  [PropertyAccess] Add tests accessing public (dynamic) properties
  [Mailer] Update docs for sendmail -t
  [FrameworkBundle] Fix cache pool configuration with one adapter and one provider
  [FrameworkBundle] Use correct cookie domain in loginUser()
  Missing translations for Belarusian (be) #41032

Author: derrabus

Response/CurlResponse.php

@@ -297,9 +297,16 @@ private static function perform(ClientState $multi, array &$responses = null): v
             self::$performing = true;
             ++$multi->execCounter;
             $active = 0;
-            while (\CURLM_CALL_MULTI_PERFORM === curl_multi_exec($multi->handle, $active));
+            while (\CURLM_CALL_MULTI_PERFORM === ($err = curl_multi_exec($multi->handle, $active)));
+
+            if (\CURLM_OK !== $err) {
+                throw new TransportException(curl_multi_strerror($err));
+            }
 
             while ($info = curl_multi_info_read($multi->handle)) {
+                if (\CURLMSG_DONE !== $info['msg']) {
+                    continue;
+                }
                 $result = $info['result'];
                 $id = (int) $ch = $info['handle'];
                 $waitFor = @curl_getinfo($ch, \CURLINFO_PRIVATE) ?: '_0';