diff --git a/src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/regexp.phpt b/src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/regexp.phpt
new file mode 100644
index 0000000000..3b7207b85f
--- /dev/null
+++ b/src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/regexp.phpt
@@ -0,0 +1,40 @@
+--TEST--
+Test DeprecationErrorHandler in weak mode
+--FILE--
+<?php
+
+putenv('SYMFONY_DEPRECATIONS_HELPER=/foo/');
+putenv('ANSICON');
+putenv('ConEmuANSI');
+putenv('TERM');
+
+$vendor = __DIR__;
+while (!file_exists($vendor.'/vendor')) {
+    $vendor = dirname($vendor);
+}
+define('PHPUNIT_COMPOSER_INSTALL', $vendor.'/vendor/autoload.php');
+require PHPUNIT_COMPOSER_INSTALL;
+require_once __DIR__.'/../../bootstrap.php';
+
+@trigger_error('root deprecation', E_USER_DEPRECATED);
+
+class FooTestCase
+{
+    public function testLegacyFoo()
+    {
+        @trigger_error('silenced foo deprecation', E_USER_DEPRECATED);
+        trigger_error('unsilenced foo deprecation', E_USER_DEPRECATED);
+    }
+}
+
+$foo = new FooTestCase();
+$foo->testLegacyFoo();
+
+?>
+--EXPECTF--
+Legacy deprecation triggered by FooTestCase::testLegacyFoo:
+silenced foo deprecation
+Stack trace:
+#%A(%d): FooTestCase->testLegacyFoo()
+#%d {main}
+