re PR middle-end/22028 (ICE after invalid struct declaration)

	PR middle-end/22028
	* gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
	earlier in the function.

	* gcc.dg/20050620-1.c: New test.

From-SVN: r101332

gcc/ChangeLog

 2005-06-26  Jakub Jelinek  <jakub@redhat.com>
 
+	PR middle-end/22028
+	* gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
+	earlier in the function.
+
 	* regrename.c (copy_value): Don't replace fixed or global
 	regs with older regs.
 

gcc/gimplify.c

@@ -4524,15 +4524,14 @@ gimplify_type_sizes (tree type, tree *list_p)
 {
   tree field, t;
 
-  if (type == NULL)
+  if (type == NULL || type == error_mark_node)
     return;
 
   /* We first do the main variant, then copy into any other variants.  */
   type = TYPE_MAIN_VARIANT (type);
 
   /* Avoid infinite recursion.  */
-  if (TYPE_SIZES_GIMPLIFIED (type)
-      || type == error_mark_node)
+  if (TYPE_SIZES_GIMPLIFIED (type))
     return;
 
   TYPE_SIZES_GIMPLIFIED (type) = 1;

gcc/testsuite/ChangeLog

+2005-06-26  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/22028
+	* gcc.dg/20050620-1.c: New test.
+
 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
 
 	PR tree-optimization/22026

gcc/testsuite/gcc.dg/20050620-1.c

+/* PR middle-end/22028 */
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+void
+foo (void)
+{
+  struct { int i[]; } u;	/* { dg-error "flexible array member" } */
+}
+
+void
+bar (void)
+{
+  struct { struct a b; } c;	/* { dg-error "has incomplete type" } */
+}