clang-tidy: Enable cppcoreguidelines-special-member-functions

This check finds classes where some but not all of the special
member functions are defined.

Change-Id: Ic677e32df810c07eb5e4cc0fd14a03c4d6c376bb
Signed-off-by: Pavithra Barithaya <pavithrabarithaya07@gmail.com>
diff --git a/.clang-tidy b/.clang-tidy
index 5919093..086b9aa 100644
--- a/.clang-tidy
+++ b/.clang-tidy
@@ -204,7 +204,8 @@
 cppcoreguidelines-pro-type-cstyle-cast,
 cppcoreguidelines-pro-type-static-cast-downcast,
 cppcoreguidelines-pro-type-union-access,
-cppcoreguidelines-slicing'
+cppcoreguidelines-slicing,
+cppcoreguidelines-special-member-functions'
 
 WarningsAsErrors: '*'
 HeaderFilterRegex: '.*'