[Bug c/30368] wrong result

[gdr at integrable-solutions dot net]

------- Comment #4 from gdr at integrable-solutions dot net  2007-01-05 21:11 -------
Subject: Re:  wrong result

"pinskia at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> 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.


-- Gaby


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30368