[rvm-research] How can I use GCTrace tool ?

Hi all,

When I build Jike with FastAdaptiveGCTrace config, it happens the following errors.
My question is how can I use the Merlin trace tool in the current version ? I see this issue will be fixed in v3.1.4. 
Thanks.

Pengcheng

[mkdir] Created dir: jike/code/target/BaseBaseGCTrace_x86_64-osx/bootimage-writer
    [javac] Compiling 8 source files to /jike/code/target/BaseBaseGCTrace_x86_64-osx/bootimage-writer

gen-primordial-list:

build-bootimage:
     [echo] Building bootimage. Output redirected to : /jike/code/target/BaseBaseGCTrace_x86_64-osx/BootImageWriterOutput.txt
     [echo] MMTk properties =/jike/code/build/mmtk/default.properties
     [java] Java Result: 1
     [echo] Exception in thread "main" java.lang.Error: Unsupported allocation
     [echo] while copying class org.jikesrvm.compilers.baseline.ReferenceMaps$MergeOperation:class java.lang.Class from null
     [echo] 	at org.jikesrvm.tools.bootImageWriter.BootImageWriter.copyToBootImage(BootImageWriter.java:2032)
     [echo] 	at org.jikesrvm.tools.bootImageWriter.BootImageWriter.processPendingEntries(BootImageWriter.java:1888)
     [echo] 	at org.jikesrvm.tools.bootImageWriter.BootImageWriter.main(BootImageWriter.java:1015)
     [echo] Caused by: java.lang.Error: Unsupported allocation
     [echo] 	at org.jikesrvm.objectmodel.ObjectModel.allocateScalar(ObjectModel.java:758)
     [echo] 	at org.jikesrvm.tools.bootImageWriter.BootImage.allocateScalar(BootImage.java:235)
     [echo] 	at org.jikesrvm.tools.bootImageWriter.BootImageWriter.copyToBootImage(BootImageWriter.java:2019)
     [echo] 	... 2 more


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