diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc
index 537e4c4a494..8cdbf7f65ac 100644
--- a/gcc/cp/pt.cc
+++ b/gcc/cp/pt.cc
@@ -9362,7 +9362,7 @@ coerce_template_parms (tree parms,
               /* We don't know how many args we have yet, just
 		 use the unconverted (but unpacked) ones for now.  */
 	      ggc_free (new_inner_args);
-              new_inner_args = inner_args;
+	      new_inner_args = strip_typedefs (inner_args);
 	      arg_idx = nargs;
               break;
             }
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic187.C b/gcc/testsuite/g++.dg/cpp0x/variadic187.C
new file mode 100644
index 00000000000..af1770e4d89
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic187.C
@@ -0,0 +1,13 @@
+// PR c++/118454
+// { dg-do compile { target c++11 } }
+// { dg-additional-options --param=hash-table-verification-limit=1000 }
+
+template<class T> using identity = T;
+
+template<class T, class U0, class... Us> struct dual;
+
+template<class T, class... Ts>
+using ty1 = dual<identity<T>, Ts...>;
+
+template<class T, class... Ts>
+using ty2 = dual<T, Ts...>;