re PR c++/34918 (Broken diagnostic: 'vector_cst' not supported by dump_expr)

	PR c++/34918
	* error.c (dump_expr): Handle VECTOR_CST.

	* g++.dg/other/error23.C: New test.

From-SVN: r131727

gcc/cp/ChangeLog

+2008-01-22  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/34918
+	* error.c (dump_expr): Handle VECTOR_CST.
+
 2008-01-21  Jason Merrill  <jason@redhat.com>
 
 	PR c++/33959

gcc/cp/error.c

 /* Call-backs for C++ error reporting.
    This code is non-reentrant.
    Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2002,
-   2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+   2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
    This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify
@@ -2079,6 +2079,7 @@ dump_expr (tree t, int flags)
     case VEC_DELETE_EXPR:
     case MODOP_EXPR:
     case ABS_EXPR:
+    case VECTOR_CST:
       pp_expression (cxx_pp, t);
       break;
 

gcc/testsuite/ChangeLog

 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
 
+	PR c++/34918
+	* g++.dg/other/error23.C: New test.
+
 	PR c++/34917
 	* g++.dg/ext/vector12.C: New test.
 

gcc/testsuite/g++.dg/other/error23.C

+// PR c++/34918
+// { dg-do compile }
+
+int v __attribute ((vector_size (8)));
+bool b = !(v - v);	// { dg-error "could not convert .\\(int __vector__\\)\\{0, 0\\}. to .bool.|in argument to unary" }