fix CEREAL_*_DYNAMIC_INIT #430
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The
CEREAL_FORCE_DYNAMIC_INITmacro does not work in our code base with higher optimization. It does work in the debug build. The compiler also warns about unused functions.It seems they are just optimized away. I'm not sure whether that's legal by the compiler.
I changed the macro to use a static object local to the translation unit that calls the function in its constructor. This works for us now.