From: Jason Merrill <jason@redhat.com>
Date: Wed, 25 May 2011 19:52:02 +0000 (-0400)
Subject: re PR c++/46005 ([C++0x] Don't allow "auto" as the simple-type-specifier of a typedef)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=df23ba642d9f527ee32ed7342dd049de2461aaf0;p=gcc.git

re PR c++/46005 ([C++0x] Don't allow "auto" as the simple-type-specifier of a typedef)

	PR c++/46145
	* decl.c (grokdeclarator): Complain about auto typedef.

From-SVN: r174228
---

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index d78f18324ed..7493fd2f512 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 2011-05-25  Jason Merrill  <jason@redhat.com>
 
+	PR c++/46145
+	* decl.c (grokdeclarator): Complain about auto typedef.
+
 	PR c++/46245
 	* decl.c (grokdeclarator): Complain later for auto parameter.
 	* pt.c (splice_late_return_type): Handle use in a template
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index 8000441d06f..2b6a7770e2d 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -9481,6 +9481,12 @@ 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
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 3cc818adc80..7e88ecc8b5f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,7 @@
 2011-05-25  Jason Merrill  <jason@redhat.com>
 
+	* g++.dg/cpp0x/auto9.C: Add typedef test.
+
 	* g++.dg/cpp0x/auto23.C: New.
 	* g++.dg/cpp0x/auto9.C: Adjust.
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/auto9.C b/gcc/testsuite/g++.dg/cpp0x/auto9.C
index 142ef904f2d..190bfa6e8f0 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" }