------- Comment #5 from manu at gcc dot gnu dot org 2007-01-26 23:14 ------- (In reply to comment #4) > Subject: Re: wrong result > > "pinskia at gcc dot gnu dot org" <[EMAIL PROTECTED]> writes: > > | > anther, consider an example definite[2] of 'offsetof', if you think > | > that is undefined, it's almost impossible to give a definite of > | > offsetof. > | > | > #define offsetof(TYPE,MEMBER) ((size_t)&((TYPE*)0)->MEMBER) > | > | The C standard still says that is undefined. See 6.5.3.2/4. > | Also GCC has a builtin for offsetof to get around the undefinedness of the > | above. > > The C front-end should probably warn -- the C++ front-end does.
Does it? With which options? I wasn't able to get a warning or error. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30368
