Add a test for compile time value

Author: certik

integration_tests/test_builtin_abs.py

@@ -6,6 +6,8 @@ def test_abs():
     assert abs(x) == 5.5
     x = -5.5
     assert abs(x) == 5.5
+    assert abs(5.5) == 5.5
+    assert abs(-5.5) == 5.5
 
 
 test_abs()