https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80270
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Known to fail| |4.8.1 --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Interesting GCC 4.7's C front-end rejected this by: <source>:20:22: error: data type of 'b' isn't suitable for a register But the C++ front-end rejected this due to not having vector[i] being implemented.