Print some information about indirect call promotions in the afdo dump
file. Do it in the same format as the instrumented profiler so that
the test suite can match on it.

gcc/:

2016-07-13  Andi Kleen  <ak@linux.intel.com>

	* auto-profile.c (update_inlined_ind_target,
	afdo_indirect_call): Print information to dump file.

From-SVN: r238320