re PR c++/60248 ([C++11] ICE specializing variadic template)

	PR c++/60248
	* mangle.c (mangle_decl): Don't make an alias for a TYPE_DECL.

From-SVN: r208000

gcc/cp/ChangeLog

 2014-02-21  Jason Merrill  <jason@redhat.com>
 
+	PR c++/60248
+	* mangle.c (mangle_decl): Don't make an alias for a TYPE_DECL.
+
 	PR c++/60252
 	* lambda.c (maybe_resolve_dummy): Don't try to capture this
 	in declaration context.

gcc/cp/mangle.c

@@ -3485,6 +3485,7 @@ mangle_decl (const tree decl)
 
   if (G.need_abi_warning
       /* Don't do this for a fake symbol we aren't going to emit anyway.  */
+      && TREE_CODE (decl) != TYPE_DECL
       && !DECL_MAYBE_IN_CHARGE_CONSTRUCTOR_P (decl)
       && !DECL_MAYBE_IN_CHARGE_DESTRUCTOR_P (decl))
     {

gcc/testsuite/g++.dg/cpp0x/variadic149.C

+// PR c++/60248
+// { dg-options "-std=c++11 -g -fabi-version=2" }
+
+template<int...> struct A {};
+
+template<> struct A<0>
+{
+  typedef enum { e } B;
+};
+
+A<0> a;