RFR: 1452: Can never notify on first commit [v7]

[Zhao Song]

On Fri, 7 Oct 2022 16:43:17 GMT, Guoxiong Li <gli at openjdk.org> wrote:

> Maybe it is better to use `“0”.repeat(40)` to construct such string so that the unnecessary count error can be avoided. But it is also ok now.

Ah, knowing this function for the first time!  Thanks!  I will use this function.

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PR: https://git.openjdk.org/skara/pull/1385