Work around parse_url() bug

Author: nicolas-grekas

HttpClientTrait.php

@@ -515,7 +515,10 @@ private static function resolveUrl(array $url, ?array $base, array $queryDefault
     private static function parseUrl(string $url, array $query = [], array $allowedSchemes = ['http' => 80, 'https' => 443]): array
     {
         if (false === $parts = parse_url($url)) {
-            throw new InvalidArgumentException(sprintf('Malformed URL "%s".', $url));
+            if ('/' !== ($url[0] ?? '') || false === $parts = parse_url($url.'#')) {
+                throw new InvalidArgumentException(sprintf('Malformed URL "%s".', $url));
+            }
+            unset($parts['fragment']);
         }
 
         if ($query) {

NativeHttpClient.php

@@ -416,7 +416,7 @@ private static function createRedirectResolver(array $options, string $host, ?ar
 
             [$host, $port] = self::parseHostPort($url, $info);
 
-            if (false !== (parse_url($location, \PHP_URL_HOST) ?? false)) {
+            if (false !== (parse_url($location.'#', \PHP_URL_HOST) ?? false)) {
                 // Authorization and Cookie headers MUST NOT follow except for the initial host name
                 $requestHeaders = $redirectHeaders['host'] === $host ? $redirectHeaders['with_auth'] : $redirectHeaders['no_auth'];
                 $requestHeaders[] = 'Host: '.$host.$port;