hg: jdk9/dev/jdk: 8171373: Reduce copying during initialization of ModuleHashes

[claes.redestad at oracle.com]

Changeset: ab164f8b8569
Author:    redestad
Date:      2016-12-17 12:59 +0100
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/ab164f8b8569

8171373: Reduce copying during initialization of ModuleHashes
Reviewed-by: alanb, mchung, chegar

! src/java.base/share/classes/jdk/internal/module/ModuleHashes.java
! src/java.base/share/classes/jdk/internal/module/SystemModuleFinder.java
! src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/SystemModulesPlugin.java