Merge #10206: add test for previously fixed bug.

Lib/test/test_cmd_line.py

@@ -259,6 +259,13 @@ class CmdLineTest(unittest.TestCase):
             "print(repr(input()))",
             b"'abc'")
 
+    def test_unmached_quote(self):
+        # Issue #10206: python program starting with unmatched quote
+        # spewed spaces to stdout
+        rc, out, err = assert_python_failure('-c', "'")
+        self.assertRegex(err.decode('ascii', 'ignore'), 'SyntaxError')
+        self.assertEqual(b'', out)
+
 
 def test_main():
     test.support.run_unittest(CmdLineTest)

Misc/ACKS

@@ -129,6 +129,7 @@ Gary S. Brown
 Titus Brown
 Oleg Broytmann
 Dave Brueck
+Francisco Martín Brugué
 Stan Bubrouski
 Erik de Bueger
 Dick Bulterman