From 1f170608081cc8e7a2b1ef2954a5762a04c67af5 Mon Sep 17 00:00:00 2001
From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 25 May 2011 20:30:01 +0000
Subject: [PATCH] 	PR c++/46145
 	* decl.c (grokdeclarator): Complain about auto typedef.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@174235 138bc75d-0d04-0410-961f-82ee72b054a4

index dbf03f9..cc7a155 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -9304,6 +9304,12 @@ grokdeclarator (const cp_declarator *declarator,
           memfn_quals = TYPE_UNQUALIFIED;
         }
 
+      if (type_uses_auto (type))
+	{
+	  error ("typedef declared %<auto%>");
+	  type = error_mark_node;
+	}
+
       if (decl_context == FIELD)
 	decl = build_lang_decl (TYPE_DECL, unqualified_id, type);
       else
index 142ef90..190bfa6 100644
--- a/gcc/testsuite/g++.dg/cpp0x/auto9.C
+++ b/gcc/testsuite/g++.dg/cpp0x/auto9.C
@@ -119,3 +119,6 @@ H<auto> h;					// { dg-error "invalid" }
 
 void qq (auto);			// { dg-error "auto" }
 void qr (auto*);		// { dg-error "auto" }
+
+// PR c++/46145
+typedef auto autot;		// { dg-error "auto" }
-- 
1.7.0.4