Also:Functions taking class by value arguments are not expanded inline 

(Command-line option to suppress warning: -w-inl) 

Exception specifications are not expanded inline: Check your inline code for lines containing exception specification. 

Functions taking class-by-value argument(s) are not expanded inline: When exception handling is enabled, functions that take class arguments by value cannot be expanded inline. 

Note:Functions taking class parameters by reference are not subject to this restriction.