Deterministic order for lets_to_introduce
#4235
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This patch uses a `Variable.Lmap` instead of a `Variable.Map` to record de-duplicated continuation parameters, ensuring a deterministic (i.e. independent of `Int_ids` hasing) order of the `let` expressions introduced to replace them. This helps making comparisons between different runs (e.g. with different options) using the `flambda2-compare` library.
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This patch uses a
Variable.Lmapinstead of aVariable.Mapto record de-duplicated continuation parameters, ensuring a deterministic (i.e. independent ofInt_idshasing) order of theletexpressions introduced to replace them.This helps making comparisons between different runs (e.g. with different options) using the
flambda2-comparelibrary.