* test/g++/test: Optimize the test procedure. If the test is listed in
	`fail.list' then we don't need to parse the file.

	* test/g++/Makefile.am: Remove a few tests from XFAIL_TESTS.
	* config/check-rules.mk: Add cxx-err and dxx-err to CLEANFILES.

2004-03-27  Clement Vasseur  <clement.vasseur@lrde.epita.fr>