If the patch is changing the current "expected" behavior - as in, it's fixing the bug but "unfixing" other things- then it should be done in this same bug. Otherwise, it should happen in a separate issue.
If the patch is changing the current "expected" behavior - as in, it's fixing the bug but "unfixing" other things- then it should be done in this same bug. Otherwise, it should happen in a separate issue.