Issue #12285: Add test capturing failure.

Lib/distutils/tests/test_filelist.py

@@ -6,7 +6,9 @@ from distutils import debug
 from distutils.log import WARN
 from distutils.errors import DistutilsTemplateError
 from distutils.filelist import glob_to_re, translate_pattern, FileList
+from distutils import filelist
 
+import test.support
 from test.support import captured_stdout
 from distutils.tests import support
 
@@ -292,5 +294,13 @@ class FileListTestCase(support.LoggingSilencer,
         self.assertWarnings()
 
 
+class FindAllTestCase(unittest.TestCase):
+    @test.support.skip_unless_symlink
+    def test_missing_symlink(self):
+        with test.support.temp_cwd():
+            os.symlink('foo', 'bar')
+            self.assertEqual(filelist.findall(), [])
+
+
 if __name__ == "__main__":
     unittest.main()