gcc doesn't work

Hi everybody! I just installed Mageia-4-beta2-LiveDVD-GNOME-x86_64-DVD.iso
and I'm trying to install gcc-c++ for x86_64 architecture, but then gcc for i586 architecture is selected as a dependency.
And I can't compile anything with gcc as the result of that architecture mixup.
Am I doing something wrong of it's a bug? See, that's what I'm doing:



and I'm trying to install gcc-c++ for x86_64 architecture, but then gcc for i586 architecture is selected as a dependency.
And I can't compile anything with gcc as the result of that architecture mixup.
Am I doing something wrong of it's a bug? See, that's what I'm doing:


