C++ PATCH to add test for c++/70156

[Marek Polacek]

This got fixed by r254461.

Tested on x86_64-linux, applying to trunk.

2019-05-14  Marek Polacek  <pola...@redhat.com>

        PR c++/70156
        * g++.dg/init/static5.C: New test.

diff --git gcc/testsuite/g++.dg/init/static5.C 
gcc/testsuite/g++.dg/init/static5.C
new file mode 100644
index 00000000000..4eaf787d0d4
--- /dev/null
+++ gcc/testsuite/g++.dg/init/static5.C
@@ -0,0 +1,9 @@
+// PR c++/70156
+// { dg-do compile { target c++11 } }
+
+template <int> struct A { int i; };
+struct B { int i; };
+struct C {
+    static const A<0> a = { 0 }; // { dg-error ".constexpr. needed for 
in-class initialization of static data member" }
+    static const B b = { 1 }; // { dg-error ".constexpr. needed for in-class 
initialization of static data member" }
+};