hg: jdk/sandbox: 8248657: Windows: strengthening in ThreadCritical regarding memory model

[chris.hegarty at oracle.com]

Changeset: 0a73d6f3aab4
Author:    stuefe
Date:      2020-07-29 10:38 +0200
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/0a73d6f3aab4

8248657: Windows: strengthening in ThreadCritical regarding memory model
Reviewed-by: dholmes, kbarrett, aph, stuefe
Contributed-by: luhenry at microsoft.com

! src/hotspot/os/windows/threadCritical_windows.cpp