* g++.dg/dg.exp: Ignore tests in new directories bprob and gcov.
	* g++.dg/bprob/bprob.exp: New driver for profile-directed branch
	ordering tests.
	* g++.dg/bprob/bprob-1.C: New test.
	* g++.dg/gcov/gcov.exp: New driver for gcov tests.
	* g++.dg/gcov/gcov-1.C: New test.
	* g++.dg/gcov/gcov-1.x: New file.
	* g++.dg/gcov/gcov-2.C: New test.
	* g++.dg/gcov/gcov-3.C: New test.
	* g++.dg/gcov/gcov-3.h: New file.

From-SVN: r51572