Issue #3222203 by baikho, jonhai, berdir: LogEntry causes erroneous records in...

Issue #3222203 by baikho, jonhai, berdir: LogEntry causes erroneous records in "locales_source" table

src/Logger/LogEntry.php

@@ -111,8 +111,8 @@ class LogEntry {
    */
   public function log($message, $variables = array(), $level = RfcLogLevel::NOTICE) {
 
-    if ($variables !== NULL && gettype($message) === 'string') {
-      $message = t($message, $variables);
+    if (!empty($variables) && gettype($message) === 'string') {
+      $message = new FormattableMarkup($message, $variables);
     }
 
     if (!empty($this->message)) {