W8051 Non-volatile function 'function' called for volatile object (C++)
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(Command-line option to suppress warning: -w-nvf)
In C++, a class member function was called for a volatile object of the class type, but the function was not declared with volatile following the function header. Only a volatile member function can be called for a volatile object.
For example, if you have
class c { public: f() volatile; g(); }; volatile c vcvar;
it is legal to call vcvar.f(), but not to call vcvar.g().