[Bug c++/53931] [C++11] braced function style cast to reference should be prvalue

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53931

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
typedef int &&ir;
void zip1(int x) { ir{x}; }  

Also is accepted.