git: openjdk/loom: fibers: add one more detail to the start_VTMT debugging code

[duke]

Changeset: 2073a62b
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-10-01 22:58:48 +0000
URL:       https://git.openjdk.java.net/loom/commit/2073a62b983d5c24802b5d02fc89e7f24cdf31bc

add one more detail to the start_VTMT debugging code

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