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Bug #19409

closed

Object's shape is reset after a ractor move

Added by luke-gru (Luke Gruber) almost 2 years ago. Updated about 1 year ago.

Status:
Closed
Assignee:
ko1 (Koichi Sasada)
Target version:
-
ruby -v:
Backport:
2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN
[ruby-core:112208]

Description

I believe an object should have the same shape after being moved from 1 ractor to another.

class Obj
  attr_accessor :a, :b, :c, :d
  def initialize
    @a = 1
    @b = 2
    @c = 3
  end
end
r = Ractor.new do
  obj = receive
  #p RubyVM::Shape.of(obj)
  obj.d = 4
  p obj.a, obj.b, obj.c, obj.d # gets wrong values due to object shape id being reset on object
end
obj = Obj.new
#p RubyVM::Shape.of(obj)
r.send(obj, move: true)
r.take
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