git: openjdk/loom: fibers: Improve fuzzer

[duke]

Changeset: 424623dd
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2020-10-06 20:38:45 +0000
URL:       https://git.openjdk.java.net/loom/commit/424623dd

Improve fuzzer

! test/jdk/java/lang/Continuation/Fuzz.java