Charles Oliver Nutter

@eregon I believe this is ok, since the contents of the call site are not themselves unguarded. The call site will always point to either the fallback, the uncached lookup,...

Moved to 9.4 as part of larger perf work there.

I attempted to rebase this one on master but it has gotten too far off during 9.4 changes. I will endeavor to recreate these optimizations after we release 9.4 later...

Seems like this is ready to go?

@asomov This is the Psych bug for the recent alias issue in SnakeYAML. Let us know if that fix is coming soon. Thank you!

@asomov Is that ready for testing on my end?

@asomov Success! Combining your snapshot jar with my other fix jruby/jruby#8394, I can run the example from jruby/jruby#8352.

@asomov I don't know how much of an issue this is for @mcorino. Releasing for us would be the psych gem first and then adding that to the JRuby release,...

@asomov I don't think we've had any other changes come in, but we'd like to get this resolved now. When could you put out a release?

@asomov Thank you!