git: openjdk/loom: fibers: Reinstate Scoped cache.

[duke]

Changeset: bbe7fcd4
Author:    theRealAph <aph at redhat.com>
Date:      2021-01-25 17:49:54 +0000
URL:       https://git.openjdk.java.net/loom/commit/bbe7fcd4

Reinstate Scoped cache.

! src/java.base/share/classes/java/lang/Scoped.java