Bytes literal.
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 997122b..4dee01b 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -403,7 +403,19 @@
             self.assertEqual(bytes.join(tuple(lst)), bytes("abc"))
             self.assertEqual(bytes.join(iter(lst)), bytes("abc"))
         # XXX more...
-            
+
+    def test_literal(self):
+        tests =  [
+            (b"Wonderful spam", u"Wonderful spam"),
+            (br"Wonderful spam too", u"Wonderful spam too"),
+            (b"\xaa\x00\000\200", u"\xaa\x00\000\200"),
+            (br"\xaa\x00\000\200", ur"\xaa\x00\000\200"),
+        ]
+        for b, s in tests:
+            self.assertEqual(b, bytes(s, 'latin-1'))
+        for c in range(128, 256):
+            self.assertRaises(SyntaxError, eval,
+                              'b"%s"' % chr(c))
 
     # Optimizations:
     # __iter__? (optimization)
diff --git a/Lib/test/test_compiler.py b/Lib/test/test_compiler.py
index ab9a660..bbd7511 100644
--- a/Lib/test/test_compiler.py
+++ b/Lib/test/test_compiler.py
@@ -187,6 +187,30 @@
         exec(c, dct)
         self.assertEquals(dct.get('result'), 1)
 
+    def testBytesLiteral(self):
+        c = compiler.compile("b'foo'", '<string>', 'eval')
+        b = eval(c)
+        
+        c = compiler.compile('def f(b=b"foo"):\n'
+                             '    b[0] += 1\n'
+                             '    return b\n'
+                             'f(); f(); result = f()\n',
+                             '<string>',
+                             'exec')
+        dct = {}
+        exec(c, dct)
+        self.assertEquals(dct.get('result'), b"ioo")
+        
+        c = compiler.compile('def f():\n'
+                             '    b = b"foo"\n'
+                             '    b[0] += 1\n'
+                             '    return b\n'
+                             'f(); f(); result = f()\n',
+                             '<string>',
+                             'exec')
+        dct = {}
+        exec(c, dct)
+        self.assertEquals(dct.get('result'), b"goo")
 
 NOLINENO = (compiler.ast.Module, compiler.ast.Stmt, compiler.ast.Discard)