RFR: 8259622: TreeMap.computeIfAbsent deviates from spec

[Stuart Marks]

On Wed, 13 Jan 2021 09:51:01 GMT, Tagir F. Valeev <tvaleev at openjdk.org> wrote:

> Handle TreeMap::computeIfAbsent when previous mapping with null value existed (in this case spec requires to overwrite the existing mapping)

Marked as reviewed by smarks (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2058