re PR c/23576 (tree check: expected class ‘type’, have exceptional’ (error_mark) in grokdeclarator, at c-decl.c:4252)

2005-10-04  Richard Guenther  <rguenther@suse.de>

	PR c/23576
	* c-decl.c (grokdeclarator): Don't write to fields
	of error_mark_node.

	* gcc.dg/noncompile/pr23576.c: New testcase.

From-SVN: r104943