re PR c++/71465 (ICE on invalid C++ code (with duplicate base) on x86_64-linux-gnu: in dfs_build_secondary_vptr_vtt_inits, at cp/class.c:9075)

/cp
2016-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71465
	Revert:
	2016-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/70202
	* parser.c (cp_parser_class_head): When xref_basetypes fails and
	emits an error do not zero the type.
	
/testsuite
2016-06-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/71465
	* g++.dg/inherit/crash5.C: New.
	Revert:
	2016-06-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/70202
	* g++.dg/inherit/crash5.C: New.
	* g++.dg/inherit/virtual1.C: Adjust.

From-SVN: r237258