Hi Sandeep,
Thank you for this pointer. I have re-built toolchain with these changes, and I am getting expected results. I have created and post patch on FSF for review. You may refer the same from given below link, https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00938.html
I have now applied a slight variant of the patch that you and Chung-ju developed:
https://gcc.gnu.org/ml/gcc-patches/2014-06/msg01117.html Cheers Nick