[template_tuple] fix for gcc 8

.gitsuper

@@ -12,10 +12,10 @@ status = +a3f7e3b4c5317dc77a3c9d6578dd58d880ffcdc1 config.opts (heads/master)
 	 741e4f8e53bdd3e1b6e19d84eb22b6e3dc48526c dune-python (remotes/origin/releases/2.5)
 	 26cc8cb4161a3a51002ab2a81b8c81d2c951ee79 dune-testtools (remotes/origin/p/renemilk/testname_listing_hack_no-skiptest)
 	-87f81bcc161d385bb4d52978b78443f65aa43f02 dune-visibility-demo
-	+f4143e9b3f861dc553711e3b322a8d4565ce0614 dune-xt-common (heads/bindings_update)
-	 ecf3bc96b7dc011f2d74923a496b5ad0bd5b1ec7 dune-xt-functions (heads/master)
-	+916b98050c9bdec9dc9df070dbd5e72af3daef78 dune-xt-grid (heads/master)
-	 c82a8502baddbc85185f1c142945111ba52fa759 dune-xt-la (heads/master)
+	+5da0a41a3eb9255c22d4e32d85853feda442ccc4 dune-xt-common (heads/bindings_update)
+	+ca38779bb5364abf454029e6b26a198605326d38 dune-xt-functions (heads/bindings_update)
+	+8147017cdd9c043e7841163cc4fc46dc51815dcc dune-xt-grid (heads/bindings_update)
+	+b0835b136ccb221190bfefa22c50938130ad79dc dune-xt-la (heads/bindings_update)
 	 1a90ca104f7551110c402dbbee50b4fa2a2a0f26 local/bin (remotes/origin/semicolonAsSeperator-89-g1a90ca1)
 	-d1d56509f0744dc6003234c2b72e393c64faf050 pylrbms
 	 37f7861dd9b8fd00cc28fc6c80d2b005567e8a0d pymor (0.1.0-3239-g37f7861d)
@@ -79,22 +79,22 @@ commit = 26cc8cb4161a3a51002ab2a81b8c81d2c951ee79
 [submodule.dune-xt-common]
 remote = https://github.com/dune-community/dune-xt-common.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = f4143e9b3f861dc553711e3b322a8d4565ce0614
+commit = 5da0a41a3eb9255c22d4e32d85853feda442ccc4
 
 [submodule.dune-xt-functions]
 remote = https://github.com/dune-community/dune-xt-functions.git
-status = +2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = ecf3bc96b7dc011f2d74923a496b5ad0bd5b1ec7
+status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
+commit = ca38779bb5364abf454029e6b26a198605326d38
 
 [submodule.dune-xt-grid]
 remote = https://github.com/dune-community/dune-xt-grid.git
 status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = 916b98050c9bdec9dc9df070dbd5e72af3daef78
+commit = 8147017cdd9c043e7841163cc4fc46dc51815dcc
 
 [submodule.dune-xt-la]
 remote = https://github.com/dune-community/dune-xt-la.git
-status = +2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
-commit = c82a8502baddbc85185f1c142945111ba52fa759
+status = 2424627f0ad5de7e4aaa5e7f48bc2a02414d95a1 .vcsetup (heads/master)
+commit = b0835b136ccb221190bfefa22c50938130ad79dc
 
 [submodule.bin]
 remote = https://github.com/dune-community/local-bin.git

dune/xt/common/tuple.hh

@@ -361,13 +361,13 @@ template <class... Ms>
 class template_tuple;
 
 namespace internal {
-template <class W, class>
+template <class B, class...>
 struct from_tplwrap
 {
-  using type = W;
+  using type = B;
 };
 
-template <class... T, template <class...> class B>
+template <template <class...> class B, class... T>
 struct from_tplwrap<tplwrap<B>, T...>
 {
   using type = B<T...>;