[Bug c++/57693] The program logically failed in case of used "int b += b++"

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57693

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> ---
Both:
 b += b++;
And
        d += d++;

are undefined what value b and d is going to be as there are no sequence point
intbetween the two assignments.

They could be:
temp = b;
b++;
b += temp;

or b++;
b+=b;