Charles Oliver Nutter

Draft PR just for posterity here: https://github.com/jruby/jruby/pull/9123

On my system and running in a loop to warmup, JRuby 10 is still faster than MRI, but I do see a regression compared to 1.7. JRuby 1.7: ``` user...

Ok, this may be another case where we're just doing more work than CRuby. Both JRuby 10 and CRuby will try to do the right thing if `Integer#==` gets replaced...

Nice, it will be good to eliminate a separate test suite. DateTime failure looks like a missing require. Not sure about the EPERM vs EACCES failure though.

Part of this was the use of default ArrayList constructors in the Feature objects stored in this index. The default size is 10, while most (nearly all?) of these Feature...

This turned out to be easier than expected. There's a couple open questions: * How to handle the failures? These failures are known and excluded in JRuby's suite. I can...

@CufeHaco Yeah put the code somewhere and I'll have a look. I'm sure there's lots of places that CRuby has added these built-in method checks over the years, where JRuby...

@CufeHaco The implementation looks about right, but is there a reason you haven't done it as a diff against JRuby directly? I believe you are using some LLM tooling for...

Tried again to put jruby-head into the macos CI builds for stringio here: https://github.com/ruby/stringio/pull/141 This isn't a release-specific issue anyway, since it seems to be a problem with parts of...

This logic is used to determine the size of the character buffer. It's not clear to me why it is so large: https://github.com/jruby/jruby/blob/9503e516d74e8c9ad373c9a01cbbe0469faaccff/core/src/main/java/org/jruby/util/io/OpenFile.java#L1102-L1105