hg: jdk/submit: 8216184: CDS/appCDS tests failed on Windows due to long path to a classlist file

[calvin.cheung at oracle.com]

Changeset: b7dca420fa0c
Author:    ccheung
Date:      2019-01-11 14:05 -0800
URL:       http://hg.openjdk.java.net/jdk/submit/rev/b7dca420fa0c

8216184: CDS/appCDS tests failed on Windows due to long path to a classlist file
Summary: use os::open() instead of fopen()
Reviewed-by: iklam, dholmes

! src/hotspot/share/classfile/classListParser.cpp
! src/hotspot/share/memory/metaspaceShared.cpp
+ test/hotspot/jtreg/runtime/appcds/LongClassListPath.java
! test/hotspot/jtreg/runtime/appcds/jigsaw/classpathtests/DummyClassesInBootClassPath.java