hg: jdk/sandbox: 8196869: Optimize Locale creation

[chris.hegarty at oracle.com]

Changeset: 3d17a524da95
Author:    redestad
Date:      2018-02-08 18:45 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/3d17a524da95

8196869: Optimize Locale creation
Reviewed-by: psandoz, plevart, naoto

! src/java.base/share/classes/java/util/Locale.java
! src/java.base/share/classes/sun/util/locale/BaseLocale.java
! src/java.base/share/classes/sun/util/locale/LocaleObjectCache.java
+ test/jdk/java/util/Locale/SoftKeys.java