hg: jdk/jdk15: 8244818: Java2D Queue Flusher crash while moving application window to external monitor

[philip.race at oracle.com]

Changeset: 9cfa0137612f
Author:    prr
Date:      2020-06-22 13:37 -0700
URL:       https://hg.openjdk.java.net/jdk/jdk15/rev/9cfa0137612f

8244818: Java2D Queue Flusher crash while moving application window to external monitor
Reviewed-by: serb, jdv, kcr

! src/java.desktop/macosx/native/libawt_lwawt/java2d/opengl/CGLSurfaceData.m