Withdrawn: 8262793: Shenandoah: Need to restore reference marking strength after mark through subgraph

[Zhengyu Gu]

On Mon, 1 Mar 2021 20:21:31 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

> During marking phase, wavefront may switch to weak marking, but need to restore back to original wavefront after mark through the subgraph.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/2784