git: openjdk/loom: fibers: Linux fastdebug build issue

[duke]

Changeset: ca5b7363
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2020-05-29 08:37:10 +0000
URL:       https://git.openjdk.java.net/loom/commit/ca5b7363

Linux fastdebug build issue

! src/hotspot/share/runtime/continuation.cpp