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Set.map does not work reliably #7403
Original bug ID: 7403
There seems to be a bug in the new Set.map in 4.04.
I think perhaps the two v variables here should be v':
Steps to reproduce
module S = Set.Make(String)
let f = function
let () =
Elements of b:
Comment author: @gasche
I will write the pull-request and regression test. I hope that we can put the fix as an opam patch, and warn the packagers, so that users are not too affected -- I think it would make sense to wait a bit more to consider a 4.04.1 bugfix release, given that other issues may be encountered as 4.04.0 adoption progresses.