These strings aren't actually used right now, but they may be used
in the future, so don't actually remove them but silence the error that
they aren't used.
GCC 12 and Clang include a flag allowing initialization of trivial
variables with a known pattern or with 0. Enable zero init by default in
everything but debug mode, and pattern init for debug mode. Also provide
an option to completely disable this, giving unitialized variables.
ADDED: Add compile flag -ftrivial-auto-var-init to build
turtlemocks doesn't seem to provide a way to annotate that these methods
override a base class method, so it triggers a lot of warnings about
missing override when the classes are instantiated.
