PR c/16409
	* c-decl.c (start_decl): Check for initializing incomplete array
	of VLAs.
	(build_compound_literal): Check for TYPE being error_mark_node.
	* c-parse.in (primary): Check for VLA compound literals.

testsuite:
	* gcc.dg/vla-init-2.c, gcc.dg/vla-init-3.c, gcc.dg/vla-init-4.c,
	gcc.dg/vla-init-5.c: New tests.

From-SVN: r88248