[TESTBUG] compiler/gcbarriers/PreserveFPRegistersTest.java fails with Conflicting collector combinations

Test Case: compiler/gcbarriers/PreserveFPRegistersTest.java
JDK version : 8u-dev (8u172)
Regression : No
Issue: Conflicting collector combinations in option list. Test uses G1 GC. With any other GC in javaoption will lead to collector conflict.

Exception :-

command: main -XX:+UseG1GC -Xbatch -Xmx128m PreserveFPRegistersTest
reason: User specified action: run main/othervm/timeout=300 -XX:+UseG1GC -Xbatch -Xmx128m PreserveFPRegistersTest
Mode: othervm [/othervm specified]
elapsed time (seconds): 0.012
----------configuration:(0/0)----------
----------System.out:(0/0)----------
----------System.err:(3/222)----------
Conflicting collector combinations in option list; please refer to the release notes for the combinations allowed
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
----------rerun:(40/2814)*—————

..
..
..


        -XX:+UseG1GC \\
        -Xbatch \\
        -Xmx128m \\
        com.sun.javatest.regtest.agent.MainWrapper /scratch/export/home/aginfra/sandbox/results/workDir/compiler/gcbarriers/PreserveFPRegistersTest.d/main.0.jta
result: Failed. Unexpected exit from test [exit code: 1]


test result: Failed. Unexpected exit from test [exit code: 1]