Fix the len() method on LinearMap during popping #4672
Merged
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I found while using
LinearMap
that it would often get its size out of sync with the actual number of elements. I found out that duringpop
the invocations ofinsert_opt_bucket
might increment the size even though nothing new was being inserted.I tried to create a simple test case or two, but I was unable to recreate the exact sequence of operations which would lead to the bug being triggered.