Issue 19401: Segmentation fault with float arithmatics on OS X Mavericks

$ uname -a
Darwin foobar 13.0.0 Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64 x86_64

$ python
Python 2.7.5 (v2.7.5:ab05e7dd2788, May 13 2013, 13:18:45)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> 11 * 1.1
12.100000000000001
>>> 11 * 1.2
Segmentation fault: 11

This is python.org build installed with the Mac installer.