8190711: Assert in G1MMUTracker due to concurrent modification
Reviewed-by: tschatzl, rehn, sangheki
## Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.## This code is free software; you can redistribute it and/or modify it# under the terms of the GNU General Public License version 2 only, as# published by the Free Software Foundation. Oracle designates this# particular file as subject to the "Classpath" exception as provided# by Oracle in the LICENSE file that accompanied this code.## This code is distributed in the hope that it will be useful, but WITHOUT# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License# version 2 for more details (a copy is included in the LICENSE file that# accompanied this code).## You should have received a copy of the GNU General Public License version# 2 along with this work; if not, write to the Free Software Foundation,# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.## Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA# or visit www.oracle.com if you need additional information or have any# questions.### In pre-JDK9 releases, Oracle JDK has had a separately downloadable set# of policy files which has been a nightmare for deployment.## We now create 2 complete initial sets of policy files and package into # 2 different directories. The crypto.policy Security property will select# the active policy.## It will be up to the user/deployer to make an informed choice# as to whether they are legally entitled to use the unlimited policy# file in their environment. The $(UNLIMITED_CRYPTO) make variable# determines the default directory/policy.#default: allinclude $(SPEC)include MakeBase.gmk################################################################################POLICY_DIR := $(SUPPORT_OUTPUTDIR)/modules_conf/java.base/security/policyLIMITED_POLICY_DIR := $(POLICY_DIR)/limitedUNLIMITED_POLICY_DIR := $(POLICY_DIR)/unlimitedPOLICY_SRC_DIR := $(TOPDIR)/src/java.base/share/conf/security/policyLIMITED_POLICY_SRC_DIR := $(POLICY_SRC_DIR)/limitedUNLIMITED_POLICY_SRC_DIR := $(POLICY_SRC_DIR)/unlimited$(POLICY_DIR)/README.txt: $(POLICY_SRC_DIR)/README.txt $(install-file)$(LIMITED_POLICY_DIR)/%: $(LIMITED_POLICY_SRC_DIR)/% $(install-file)$(UNLIMITED_POLICY_DIR)/%: $(UNLIMITED_POLICY_SRC_DIR)/% $(install-file)TARGETS += \ $(POLICY_DIR)/README.txt \ $(LIMITED_POLICY_DIR)/default_US_export.policy \ $(LIMITED_POLICY_DIR)/default_local.policy \ $(LIMITED_POLICY_DIR)/exempt_local.policy \ $(UNLIMITED_POLICY_DIR)/default_US_export.policy \ $(UNLIMITED_POLICY_DIR)/default_local.policy \################################################################################