Don't try to marshal non-serializable variables #7739
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This avoids marshaling the __finalizer__ slot and any other internal state that is not serializable. Fixes jruby#7734
eregon
reviewed
Apr 25, 2023
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| it "dumps without marshaling any attached finalizer" do | ||
| obj = Object.new | ||
| ObjectSpace.define_finalizer(obj, &:itself) |
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FYI this causes:
1)
Marshal.dump with an Object dumps without marshaling any attached finalizer ERROR
ArgumentError: Can't create Binding from C level Proc
/home/eregon/code/rubyspec/core/marshal/dump_spec.rb:464:in `define_finalizer'
/home/eregon/code/rubyspec/core/marshal/dump_spec.rb:464:in `block (3 levels) in <top (required)>'
/home/eregon/code/rubyspec/core/marshal/dump_spec.rb:6:in `<top (required)>'
[| | ==================100%================== | 00:00:00] 0F 1E
on CRuby 3.0+. Just on 2.7 it seems to work.
I modified the spec a bit to make it work on all CRuby versions: ruby/spec@d44cd79
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This fixes #7734 by not confusing the finalizer with marshalable state.