The fix for CODETOOLS-7902382 contains a bug: we need to take the substring of the option otherwise it's escaped twice (as pointed out here: https://bugs.openjdk.java.net/browse/CODETOOLS-7902382?focusedCommentId=14247639&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14247639).

    /Users/cthalinger/twitter11/build/macosx-x86_64-normal-server-release/images/jdk/bin/javac \
        -J-XX:MaxRAMPercentage=12 \
        -J-ea \
        -J-esa \
        -J-Xmx512m \
        -J-XX:+UseConcMarkSweepGC \
        -J-J-Xms256m \
        -J-Dtest.src=/Users/cthalinger/twitter11/test/jdk/java/time \
        -J-Dtest.src.path=/Users/cthalinger/twitter11/test/jdk/java/time:/Users/cthalinger/twitter11/test/lib \
        -J-Dtest.classes=/Users/cthalinger/twitter11/test/testoutput/JTwork/classes/0/java/time \
        -J-Dtest.class.path=/Users/cthalinger/twitter11/test/testoutput/JTwork/classes/0/java/time:/Users/cthalinger/twitter11/test/testoutput/JTwork/classes/0/test/lib \
        -J-Dtest.vm.opts='-XX:MaxRAMPercentage=12 -ea -esa -Xmx512m -XX:+UseConcMarkSweepGC' \
        -J-Dtest.tool.vm.opts='-J-XX:MaxRAMPercentage=12 -J-ea -J-esa -J-Xmx512m -J-XX:+UseConcMarkSweepGC' \
        -J-Dtest.compiler.opts=-J-Xms256m \
        -J-Dtest.java.opts= \
        -J-Dtest.jdk=/Users/cthalinger/twitter11/build/macosx-x86_64-normal-server-release/images/jdk \
        -J-Dcompile.jdk=/Users/cthalinger/twitter11/build/macosx-x86_64-normal-server-release/images/jdk \
        -J-Dtest.timeout.factor=4.0 \
        -J-Dtest.root=/Users/cthalinger/twitter11/test/jdk \
        @/Users/cthalinger/twitter11/test/testoutput/JTwork/java/time/tck/java/time/chrono/serial/TCKChronoLocalDateTimeSerialization.d/compile.0.jta
STDOUT:
STDERR:
OpenJDK 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.
Unrecognized option: -J-Xms256m
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.