[Bug c++/52003] warning about (un)existing return statement in the main function declared 'noreturn'

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52003

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-01-26
     Ever Confirmed|0                           |1

--- Comment #3 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-26 11:19:02 UTC ---
(In reply to comment #2)
> main has an implicit return 0 if it follows through to the end according to the
> C++ standard IIRC.

Indeed it does.  GCC simply tells you that putting 'noreturn' on main
is not good.

If we don't want this warning maybe the C++ FE should mark that return
stmt with TREE_NO_WARNING and we should honor that flag.