snoopi_deep: check that mi.def is a Method #151
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The `def` field of `Core.MethodInstance` is typed as
`Union{Method,Module}`. Consequently, we should not assume that it's
a `Method`.
Unfortunately I've not been able to come up with a simple test
that fails without this change, though I have seen failures
in real-world usage.
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Let's see if this passes with #153 merged. |
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The
deffield ofCore.MethodInstanceis typed asUnion{Method,Module}. Consequently, we should not assume that it'sa
Method.Unfortunately I've not been able to come up with a simple test
that fails without this change, though I have seen failures
in real-world usage.