llvm dev - Oct 2015 - Segmenation fault while addingclonedinstruction

PFA while running this pass in order to add a cloned instruction just
before its original instruction i am getting segmentation fault.

regards
Priyanka
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20151017/61cdc29f/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: new_red.cpp
Type: text/x-c++src
Size: 3059 bytes
Desc: not available
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20151017/61cdc29f/attachment.cpp>