Since gnash is updated (almost) daily, I generated a cvs-ebuild for it.
Created attachment 93687 [details] Ebuild
Created attachment 93688 [details, diff] OpenGL-patch
Please, don't restrict bugs without any reason. Just leave those checkboxes alone.
I added a gnash live cvs ebuild. Not based on ours but on my own in my local overlay. Thanks for reporting nevertheless.