Commit ddbdec41 authored by Matthew Pickering's avatar Matthew Pickering Committed by Marge Bot

Add missing instances to ghc-heap types

These instances are useful so that a `GenClosure` form `ghc-heap` can be
used as a key in a `Map`. Therefore the order itself is not important
but just the fact that there is one.
parent 7d910fd8
Pipeline #30809 failed with stages
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