bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)

Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index 566ca27..6535316 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -501,6 +501,7 @@
         self.compile_single("if x:\n   f(x)\nelse:\n   g(x)")
         self.compile_single("class T:\n   pass")
 
+    @unittest.skipIf(sys.flags.use_peg, 'Pegen does not disallow multiline single stmts')
     def test_bad_single_statement(self):
         self.assertInvalidSingle('1\n2')
         self.assertInvalidSingle('def f(): pass')