Lin Hu

@amicic @dmitripivkine please review the changes, Thanks

personal build: https://hyc-runtimes-jenkins.swg-devops.com/view/OpenJ9%20-%20Personal/job/Pipeline-Build-Test-Personal/14116/

Thanks @fengxue-IS for new walkContinuationStackFrames function, currently in GC there is no precompile option (#if JAVA_SPEC_VERSION >= 19), so could you please add a wrapper for the walkContinuationStackFrames() (the function...

@amicic @dmitripivkine please review the changes, Thanks

updating new vm api walkContinuationStackFrames for scanning java stack in j9vmContinuation. https://github.com/eclipse-openj9/openj9/pull/15678/files#diff-aa08fd4ba250064714cc602eda8db8bbaae659c38b78e47f24ff00d9a5dd6a44

@tajila please review vm related changes, @dsouzai please review jit releated changes, Thanks

the personal build with the latest omr master branch https://hyc-runtimes-jenkins.swg-devops.com/view/OpenJ9%20-%20Personal/job/Pipeline-Build-Test-Personal/13977/

@amicic Update ScavengerDelegate.cpp, add OMR_GC_CONCURRENT_SCAVENGER precompile option for calling fixupSlot().

@amicic @dmitripivkine please review the changes, Thanks

> we do the same thing in MM_ScavengerRootScanner::startProcessing ? we should probably rename it to be more specific like startContinuation(Objects?)Processing yes, same thing in MM_ScavengerRootScanner::startProcessing, or Can we merge startUnfinalizedProcessing...