Add a -betterC test for std.typecons.Tuple

Author: wilzbach

std/typecons.d

@@ -1511,6 +1511,13 @@ if (distinctFieldNames!(Specs))
     assert(tuple(1, 2) == point);
 }
 
+@safe @betterC unittest
+{
+    auto t = tuple(1, 2);
+    assert(t == tuple(1, 2));
+    auto t3 = tuple(1, 'd');
+}
+
 /**
     Creates a copy of a $(LREF Tuple) with its fields in _reverse order.