for last (~x86) avifile. Reproducible: Always Steps to Reproduce: 1. 2. 3.
Created attachment 55196 [details] avifile-gcc4-fix.patch
Hmm the patch look a bit dirty for me, you shouldn't remove #ifdef-ed code, as it makes the source differs from main tree. Please make a better patch and try to submit it upstream, also.
Reopen the bug when you'll have a cleaner patch.