-XX:+UseCompressedOops causes JDI_REGRESSION test
    com/sun/jdi/Solaris32AndSolaris64Test.sh

to fail as follows:
----------System.out:(12/937)----------
JDK under test is: /export/local/common/jdk/baseline/solaris-sparcv9
OS is running in sparcv9 mode
--------------------------------------------
debugger=32 debugee=32 class=DataModelTest
--------------------------------------------
/export/local/common/jdk/baseline/solaris-sparcv9/bin/java -DHANGINGJAVA_DEB -d32 -showversion -DEXPECTED=32 -classpath "/export/local/common/jdk/baseline/solaris-sparcv9/lib/tools.jar:/export/local/6775.JDK7.NIGHTLY.VM+solaris-sparcv9_server_mixed_JDI_REGRESSION/results/workDir/classes/com/sun/jdi" DataModelTest -connect 'com.sun.jdi.CommandLineLaunch:options=-d32 -Xcomp -server -showversion -Dsun.jvm.hotspot.runtime.VM.disableVersionCheck=1 -XX:+UseCompressedOops -showversion'
Unrecognized VM option '+UseCompressedOops'
Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
VM option '+UseCompressedOops'
The test failed :-(
exit status was 1

For example, see nightly failure:
/java/sqe/results/vm/gtee/JDK7/NIGHTLY/VM/2008-07-22/RT_Baseline/javase/solaris-sparcv9/server/mixed/javase-solaris-sparcv9_server_mixed_JDI_REGRESSION2008-07-22-21-10-32/workDir/com/sun/jdi/Solaris32AndSolaris64Test.jtr