Opera depends on app-text/aspell, but on AMD64 libaspell.so is built as a 64-bit library, therefore Opera cannot use it as it's a 32-bit application. The result: no spell check available on AMD64. It would be nice to have a 32-bit libaspell.so in /usr/lib32 in one of the emul- linux-x86 ebuilds, so that Opera can use it. I'm not sure whether it's also necessary to modify the /opt/opera/bin/opera script accordingly. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Sorry, but we can't put every library into emul-linux-x86-$something. If you need a special 32bit library, you'll have to compile them yourself and put them into the appropriate directories below /emul/ yourself. Resolving as WONTFIX.