[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] isReadOnlyObject should return false when writebarrier is not supported (#217)

Denis Kudriashov notifications at github.com
Wed Feb 14 13:56:38 UTC 2018

Object is definitely not readonly when VM do not support write barrier. But right now it will be primitive failure.

For example it makes impossible to modify classes in Pharo 7 on ARM VM. 
Pharo 7 checks instances for readonly before migrating them

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