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prelude: |
class C
attr_accessor :foo
end
short_lived_obj = C.new
if RUBY_VERSION >= "2.2.0"
GC.start(full_mark: false, immediate_mark: true, immediate_sweep: true)
end
short_lived = ''
benchmark:
vm_gc_wb_obj: |
short_lived_obj.foo = short_lived # write barrier
loop_count: 30000000
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