I'm waking this thread because the crash Jack reported could be related to :
https://sourceforge.net/p/pure-data/bugs/1181/

I workaround the issue by disabling tab_sqrt.
To do so, you can comment init_tab_rsqrt(); line 203.
See : https://sourceforge.net/p/pure-data/svn/HEAD/tree/trunk/externals/iem/iem_tab/src/tab_sqrt.c#l203

cheers 

a
--
do it yourself                      
http://antoine.villeret.free.fr