Test platform info: Windows10 x64 with Cygwin
Locale: Ja_JP
Product version: JDK 8u76 build 05

Error log:
C:/dora/8u76/b05/8u76build05_01272016/../jdk1.8.0_76\\bin\\java -Dfile.encoding=UTF-8 -classpath C:/Dora/8u76/b05/8u76build05_01272016/workDir/classes/java/util/Locale -Djava.locale.providers=HOST,JRE LocaleProviders adapterTest JRE ja JP
testLocale: ja_JP, got: HOST, expected: JRE
Execution of the test case failed.
----------System.err:(3/210)----------
Exception in thread "main" java.lang.RuntimeException: Returned locale data adapter is not correct.
at LocaleProviders.adapterTest(LocaleProviders.java:94)
at LocaleProviders.main(LocaleProviders.java:44)
----------rerun:(19/1002)*----------

Root cause:
In L57 of java/util/Locale/LocaleProviders.sh: OS=`uname -s`
In the test env, the output is: CYGWIN_NT-10.0-WOW
In L166 of java/util/Locale/LocaleProviders.sh: CYGWIN_NT-6* | Darwin )
It did not match the OS, default value return.