https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110437
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>reproduce.cpp:10:1: warning: no return statement in function returning
>non-void [-Wreturn-type]
Yes it is undefined code (at runtime) if the code falls through from a function
which has a non-void return type for C++. The rules for C is slightly
different, it is only undefined if the return value from the function is tried
to be used.
