Yes, that seemed relevant. I labeled the issue so that we'll see this again.
probably harmless enough to squeeze in before 0.3.6? hard to see how this could cause any trouble
Agreed, let's just backport this.
Cherry-picked in 723280c
Hmm, this commit made the loop type-unstable (I either has typeof(X) or its original type), which really kills performance.
I can fix later, if no one beats me to it, but I have other obligations first.
I have the fix in #10525, too. I should have just pushed it to master right away.