/cp
2014-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58664
	* decl.c (grokdeclarator): Check the element type of an incomplete
	array type; call cxx_incomplete_type_error.
	* typeck2.c (cxx_incomplete_type_inform): New.
	(cxx_incomplete_type_diagnostic): Use it.

/testsuite
2014-05-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58664
	* g++.dg/cpp0x/nsdmi-union6.C: New.
	* g++.dg/parse/pr58664.C: Likewise.
	* g++.dg/parse/crash31.C: Tweak.
	* g++.dg/parse/struct-4.C: Likewise.
	* g++.dg/template/error2.C: Likewise.
	* g++.dg/template/inherit8.C: Likewise.
	* g++.dg/template/offsetof2.C: Likewise.