PR c++/72775
	* init.c (perform_member_init): Diagnose member initializer for
	flexible array member. 

	* g++.dg/ext/flexary12.C: Adjust dg-error.
	* g++.dg/ext/flexary20.C: New.
	* g++.dg/ext/flexary21.C: New.

From-SVN: r243669