[pypy-commit] lang-smalltalk default: make sure float hashes are within 31bit

[timfel]

Author: Tim Felgentreff <timfelgentreff at gmail.com>
Branch: 
Changeset: r518:41c1b605fccf
Date: 2013-12-06 09:51 +0100
http://bitbucket.org/pypy/lang-smalltalk/changeset/41c1b605fccf/

Log:	make sure float hashes are within 31bit

diff --git a/spyvm/model.py b/spyvm/model.py
--- a/spyvm/model.py
+++ b/spyvm/model.py
@@ -355,7 +355,7 @@
         return space.w_Float
 
     def gethash(self):
-        return compute_hash(self.value)
+        return intmask(compute_hash(self.value)) // 2
 
     def invariant(self):
         return isinstance(self.value, float)