* lib/profopt.exp (profopt-cleanup): New argument TESTCASE.
	Remove only files with the same base name as the test case.
	(profopt-perf-value): Pass TESTCASE to profopt-cleanup.
	(profopt-execute): Likewise.  Also, remove old profiling
	and performance data files before running the tests.

	* gcc.misc-tests/bprob.exp: Remove profopt-cleanup calls.
	* g++.dg/bprob/bprob.exp: Likewise.
	* g77.dg/bprob/bprob.exp: Likewise.  Also, relax regexp
	to allow more general test case names.

	* g++.dg/bprob/bprob-1.C: Rename to ...
	* g++.dg/bprob/g++-bprob-1.C: ... this.

	* g77.dg/bprob/bprob-1.f: Rename to ...
	* g77.dg/bprob/g77-bprob-1.f: ... this.

From-SVN: r58380