[pypy-svn] pypy default: Fix for test_transformed_gc.py.

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r42307:6dd8d5c6623f
Date: 2011-02-26 12:21 +0100
http://bitbucket.org/pypy/pypy/changeset/6dd8d5c6623f/

Log:	Fix for test_transformed_gc.py.

diff --git a/pypy/rpython/llinterp.py b/pypy/rpython/llinterp.py
--- a/pypy/rpython/llinterp.py
+++ b/pypy/rpython/llinterp.py
@@ -5,6 +5,7 @@
 from pypy.rpython.lltypesystem import rclass
 from pypy.rpython.ootypesystem import ootype
 from pypy.rlib.objectmodel import ComputedIntSymbolic, CDefinedIntSymbolic
+from pypy.rlib.objectmodel import Symbolic
 from pypy.rlib import rstackovf
 
 import sys, os
@@ -1132,7 +1133,9 @@
         # special case
         if type(x) is CDefinedIntSymbolic:
             x = x.default
-        assert isinstance(x, int)
+        # if type(x) is a subclass of Symbolic, bool(x) will usually raise
+        # a TypeError -- unless __nonzero__ has been explicitly overridden.
+        assert isinstance(x, (int, Symbolic))
         return bool(x)
 
     # read frame var support