hg: jigsaw/jake/hotspot: Improve -Xpatch implementation

[alan . bateman]

Changeset: 558702aea623
Author:    alanb
Date:      2016-02-19 16:14 +0000
URL:       http://hg.openjdk.java.net/jigsaw/jake/hotspot/rev/558702aea623

Improve -Xpatch implementation

! test/runtime/modules/XpatchCDS.java