re PR c/40032 (ICE with incomplete type in struct)

	PR c/40032
	* c-decl.c (grokdeclarator): Handle incomplete type of unnamed
	field.

testsuite:
	* gcc.dg/noncompile/incomplete-5.c: New test.

From-SVN: r147174

gcc/ChangeLog

+2009-05-06  Joseph Myers  <joseph@codesourcery.com>
+
+	PR c/40032
+	* c-decl.c (grokdeclarator): Handle incomplete type of unnamed
+	field.
+
 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
 
 	* tree.h: Remove DECL_BY_REFERENCE from private_flag comment.

gcc/c-decl.c

@@ -5021,7 +5021,10 @@ grokdeclarator (const struct c_declarator *declarator,
 	else if (TREE_CODE (type) != ERROR_MARK
 		 && !COMPLETE_OR_UNBOUND_ARRAY_TYPE_P (type))
 	  {
-	    error ("field %qE has incomplete type", name);
+	    if (name)
+	      error ("field %qE has incomplete type", name);
+	    else
+	      error ("unnamed field has incomplete type");
 	    type = error_mark_node;
 	  }
 	type = c_build_qualified_type (type, type_quals);

gcc/testsuite/ChangeLog

+2009-05-06  Joseph Myers  <joseph@codesourcery.com>
+
+	PR c/40032
+	* gcc.dg/noncompile/incomplete-5.c: New test.
+
 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/39666

gcc/testsuite/gcc.dg/noncompile/incomplete-5.c

+/* ICE on unnamed field with incomplete enum type: PR 40032.  */
+/* { dg-do compile } */
+/* { dg-options "" } */
+struct A
+{
+  enum E : 8; /* { dg-warning "narrower than values of its type" } */
+  /* { dg-error "has incomplete type" "incomplete" { target *-*-* } 6 } */
+};