When the following lines are run twice, the error invalid redefinition of constant X is thrown. The code is rather random, but it is the most minimal example I could come up with without removing the problem. In particular, foo does neither use A nor X but is essential. abstract type A end struct B…

Invalid redefinition error for const X = Vector{<:A}

mbauman June 6, 2022, 3:12pm 2

I can reproduce on 1.7 but not 1.8 — this very well may have been a bug.

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