Ruby

Win32: configure without an intermediate makefile

This batch file used nmake on the old command.com to extract the
parent directory name of this file and to get around the command line
argument length limit. However, Windows 9X support as a build host...

[ruby/mmtk] Assert that objects are not T_NONE in the write barrier

https://github.com/ruby/mmtk/commit/59d27203e2

[ruby/mmtk] Add MMTK_ASSERT

https://github.com/ruby/mmtk/commit/e34d5cf32f

Fix Ripper::Lexer::State#[] for to_s

The instance variable is called to_s, not event.

Remove ruby-bench excludes (#15828)

These benchmarks should be working fine now.

Remove check for rb_obj_gen_fields_p in rb_hash_dup

rb_copy_generic_ivar already checks for it, so we don't need to call
rb_obj_gen_fields_p twice.

ZJIT: Replace GuardShape with LoadField+GuardBitEquals (#15821)

GuardShape is just load+guard, so use the existing HIR instructions for load+guard. Probably makes future analysis slightly easier.

[ruby/prism] Decouple ripper translator from ripper library

Ripper exposes Ripper::Lexer:State in its output, which is a bit of a problem. To make this work, I basically copy-pasted the implementation.

I'm unsure if that is acceptable and added a test to make sure that these values never go out of sync....

[ruby/prism] Remove unneeded ripper requires

Ripper is either not used or loaded where it is actually needed

https://github.com/ruby/prism/commit/a73a4fb00c

[ruby/prism] Move LexRipper into its own file

It has a hard dependency on ripper that can't be removed.
This makes it so that ripper can be loaded only when the class is actually used.

https://github.com/ruby/prism/commit/3b5b4a8a6d