Verify treatment of unary minus on negative numbers SF bug #660455.
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py
index c9a139b..3530457 100644
--- a/Lib/test/test_compile.py
+++ b/Lib/test/test_compile.py
@@ -132,3 +132,10 @@
expect_same("000000000000007", 7)
expect_same("000000000000008.", 8.)
expect_same("000000000000009.", 9.)
+
+# Verify treatment of unary minus on negative numbers SF bug #660455
+import warnings
+warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning)
+# XXX Of course the following test will have to be changed in Python 2.4
+expect_same("0xffffffff", -1)
+expect_same("-0xffffffff", 1)