The same fix applies here as in the bug #275319, the patch and part of the build log are enclosed. You can see from the build log how the original ebuild downloads both 32-bit (i386) and 64-bit (x86_64) version, but, incorrectly, installs then the 32-bit version.
Created attachment 195907 [details, diff] opera-10.00_pre4453.ebuild.diff
Created attachment 195908 [details] build log (partial)
Annoying bug that's trivial to fix. Please do.
Confirm
(In reply to comment #3) > Annoying bug that's trivial to fix. Please do. Please. This isn't somebody's blog. If you really need to express emotion, then use the voting feature.
(In reply to comment #1) > Created an attachment (id=195907) [edit] > opera-10.00_pre4453.ebuild.diff Thanks, fixed.