-Werror,-Wtautological-undefined-compare

("reference cannot be bound to dereferenced null pointer in well-defined C++
code; comparison may be assumed to always evaluate to true")

Change-Id: I78498b6be6cf3f6f15a80187c9a24dfcdd91d3be
-Werror,-Wtautological-undefined-compare

("'this' pointer cannot be null in well-defined C++ code; comparison may be
assumed to always evaluate to true")

Change-Id: Id3b886135f43b39a2fcf2bb197cf6a80d6532365