Fix bug in classifying certain IA64 branches as register-indirect when in fact they are PC-relative.  (On the Itanium it is possible to have a one-bundle loop -- where the third slot branches to the first slot -- and thus a PC-relative target address of 0!)
Fix bug in classifying certain IA64 branches as register-indirect when
in fact they are PC-relative.  (On the Itanium it is possible to have
a one-bundle loop -- where the third slot branches to the first slot
-- and thus a PC-relative target address of 0!)

zcth428/hpctoolkit111,zcth428/hpctoolkit111,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit,zcth428/hpctoolkit111,HPCToolkit/hpctoolkit,zcth428/hpctoolkit,zcth428/hpctoolkit,zcth428/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit,zcth428/hpctoolkit111,zcth428/hpctoolkit,HPCToolkit/hpctoolkit,HPCToolkit/hpctoolkit