[Bug c/31977] can return OK from "int main()" without a return statement by using a goto before the return

[pinskia at gcc dot gnu dot org]

------- Comment #6 from pinskia at gcc dot gnu dot org  2007-05-17 20:45 -------
(In reply to comment #5)
> Both the C99 standard (section 5.1.2.2.3) and the C++ standard (3.6.1/5)
> say that if you hit the end of the main() function, then this is equivalent
> to a "return 0;" statement.

C90 is different from both of those and it is just undefined behavior there.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31977