We tried to fix this like https://github.com/ruby/ruby/pull/3029, but it didn't work. The failure has never been helpful for developing MJIT, and currently it's not prioritized to be fixed. Until we try to figure out the root cause on AppVeyor vs120, let's optionally disable testing when the random corruption happens.
Ignore AppVeyor vs120's pdb corruption
We tried to fix this like https://github.com/ruby/ruby/pull/3029, but it
didn't work. The failure has never been helpful for developing MJIT, and
currently it's not prioritized to be fixed. Until we try to figure out
the root cause on AppVeyor vs120, let's optionally disable testing when
the random corruption happens.