re PR c++/19963 (ICE on invalid member declaration)

	PR c++/19963
	* class.c (layout_class_type): Skip fields with invalid types.

	* g++.dg/other/incomplete2.C: New test.

From-SVN: r113220

gcc/cp/ChangeLog

+2006-04-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c++/19963
+	* class.c (layout_class_type): Skip fields with invalid types.
+
 2006-04-23  Mark Mitchell  <mark@codesourcery.com>
 
 	PR c++/26912

gcc/cp/class.c

@@ -4607,6 +4607,8 @@ layout_class_type (tree t, tree *virtuals_p)
 	}
 
       type = TREE_TYPE (field);
+      if (type == error_mark_node)
+	continue;
 
       padding = NULL_TREE;
 

gcc/testsuite/ChangeLog

+2006-04-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c++/19963
+	* g++.dg/other/incomplete2.C: New test.
+
 2006-04-24  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/26869

gcc/testsuite/g++.dg/other/incomplete2.C

+// PR c++/19963
+// { dg-do compile }
+
+struct A;
+
+struct B
+{
+  A a : 1;  // { dg-error "incomplete" }
+};
+
+struct S
+{
+  S : 1;    // { dg-error "incomplete" }
+};