RFR: 8254269: simplify Node::disconnect_inputs [v3]

[Vladimir Kozlov]

On Mon, 12 Oct 2020 01:14:21 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> 8254269: simplify Node::disconnect_inputs
>
> Xin Liu has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8254269: simplify Node::disconnect_inputs

Marked as reviewed by kvn (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/589