cp:

	* class.c (dfs_unshared_virtual_bases): New function.
	(mark_primary_bases): Call it.
	(check_bases): Ignore virtual bases when determining
	nearly-emptiness.
testsuite:
	* g++.old-deja/g++.abi/primary3.C (main): Correct expected layout.
	* g++.old-deja/g++.abi/crash1.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@41295 138bc75d-0d04-0410-961f-82ee72b054a4