2014-01-07  Dan Xio Qiang <ziyan01@163.com>

        * hw-doloop.c (reorg_loops): Release the bitmap obstack.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206416 138bc75d-0d04-0410-961f-82ee72b054a4
        PR middle-end/59285
        * ifcvt.c (merge_if_block): If we are merging a block with more than
        one successor with a block with no successors, remove any BARRIER
        after the second block.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206417 138bc75d-0d04-0410-961f-82ee72b054a4