git: openjdk/loom: fibers: JVMTI: can_support_virtual_threads must be unavailable without vthreads

[duke]

Changeset: 07ed20e5
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2022-04-15 09:15:23 +0000
URL:       https://git.openjdk.java.net/loom/commit/07ed20e574b9308e2eff486d977a243c7bd35de0

JVMTI: can_support_virtual_threads must be unavailable without vthreads

! src/hotspot/share/prims/jvmtiManageCapabilities.cpp