+--- mir-0.29.0/src/platforms/mesa/server/kms/bypass.h.orig 2017-12-12 14:02:22.000000000 +0100
++++ mir-0.29.0/src/platforms/mesa/server/kms/bypass.h 2018-10-14 08:27:57.821585391 +0200
+@@ -36,7 +36,7 @@
+ private:
+ geometry::Rectangle const view_area;
+ bool bypass_is_feasible;
+- glm::mat4 const identity;
++ glm::mat4 const identity{};
+ };
+
+ } // namespace mesa
+--- mir-0.29.0/src/server/graphics/nested/display_buffer.h.orig 2017-12-12 14:02:22.000000000 +0100
++++ mir-0.29.0/src/server/graphics/nested/display_buffer.h 2018-10-14 09:43:46.708200116 +0200
+@@ -88,7 +88,7 @@
+ stream,
+ chain
+ } content;
+- glm::mat4 const identity;
++ glm::mat4 const identity{};
+
+ std::mutex mutex;
+ typedef std::tuple<MirBuffer*, MirPresentationChain*> SubmissionInfo;