hg: jdk/sandbox: 8246593: Shenandoah: string dedup roots should be processed during concurrent weak roots phase

[chris.hegarty at oracle.com]

Changeset: 3f5290001221
Author:    zgu
Date:      2020-06-04 20:57 -0400
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/3f5290001221

8246593: Shenandoah: string dedup roots should be processed during concurrent weak roots phase
Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp