hg: shenandoah/jdk11: [backport] 8239926: Shenandoah: Shenandoah needs to mark nmethod's metadata

[zgu at redhat.com]

Changeset: b2e2970ea2a4
Author:    zgu
Date:      2020-02-25 12:01 -0500
URL:       https://hg.openjdk.java.net/shenandoah/jdk11/rev/b2e2970ea2a4

[backport] 8239926: Shenandoah: Shenandoah needs to mark nmethod's metadata
Reviewed-by: rkennke, shade

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp