re PR c++/28052 (ICE on invalid bitfield)

	PR c++/28052
	* init.c (push_base_cleanups): Skip members with invalid types.
	* typeck.c (build_class_member_access_expr): Robustify.

	* g++.dg/other/bitfield2.C: New test.

From-SVN: r114811

gcc/cp/ChangeLog

+2006-06-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c++/28052
+	* init.c (push_base_cleanups): Skip members with invalid types.
+	* typeck.c (build_class_member_access_expr): Robustify.
+
 2006-06-19  Mark Mitchell  <mark@codesourcery.com>
 
 	* pt.c (instantiate_template): Fix typo in comment.

gcc/cp/init.c

@@ -2898,7 +2898,9 @@ push_base_cleanups (void)
   for (member = TYPE_FIELDS (current_class_type); member;
        member = TREE_CHAIN (member))
     {
-      if (TREE_CODE (member) != FIELD_DECL || DECL_ARTIFICIAL (member))
+      if (TREE_TYPE (member) == error_mark_node
+	  || TREE_CODE (member) != FIELD_DECL
+	  || DECL_ARTIFICIAL (member))
 	continue;
       if (TYPE_HAS_NONTRIVIAL_DESTRUCTOR (TREE_TYPE (member)))
 	{

gcc/cp/typeck.c

@@ -1723,7 +1723,7 @@ build_class_member_access_expr (tree object, tree member,
   tree member_scope;
   tree result = NULL_TREE;
 
-  if (object == error_mark_node || member == error_mark_node)
+  if (error_operand_p (object) || error_operand_p (member))
     return error_mark_node;
 
   gcc_assert (DECL_P (member) || BASELINK_P (member));

gcc/testsuite/ChangeLog

+2006-06-20  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
+
+	PR c++/28052
+	* g++.dg/other/bitfield2.C: New test.
+
 2006-06-20  Zdenek Dvorak <dvorakz@suse.cz>
 
 	PR tree-optimization/27331

gcc/testsuite/g++.dg/other/bitfield2.C

+// PR c++/28052
+// { dg-do compile }
+
+struct A
+{
+  double d : 2;  // { dg-error "non-integral" }
+  A() {}
+  ~A() {}
+};