[pull] master from ruby:master #133
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ASAN works on Ruby 3.4 and later, so we can remove the point about using master branch for ASAN.
Add support for `--zjit-allowed-iseqs=SomeFile` and
`--zjit-log-compiled-iseqs=SomeFile` so we can restrict and inspect
which ISEQs get compiled.
Then add `jit_bisect.rb` which we can run to try and narrow a failing
script. For example:
plum% ../tool/zjit_bisect.rb ../build-dev/miniruby "test.rb"
I, [2025-07-29T12:41:18.657177 #96899] INFO -- : Starting with JIT list of 4 items.
I, [2025-07-29T12:41:18.657229 #96899] INFO -- : Verifying items
I, [2025-07-29T12:41:18.726213 #96899] INFO -- : step fixed[0] and items[4]
I, [2025-07-29T12:41:18.726246 #96899] INFO -- : 4 candidates
I, [2025-07-29T12:41:18.797212 #96899] INFO -- : 2 candidates
Reduced JIT list:
bar@test.rb:8
plum%
We start with 4 compiled functions and shrink to just one.
Untangle the logic a bit and specifically: * catch `gen_entry` failures * don't set `start_ptr` until all recursive calls succeed Co-authored-by: Alan Wu <alanwu@ruby-lang.org>
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