Merge pull request #21926 from jdmpapin/jitserver-isSameOrSuperClass

JITServer: Recognize cross-loader superclasses in isSameOrSuperClass()

Author: dsouzai

runtime/compiler/env/VMJ9Server.cpp

@@ -92,13 +92,6 @@ TR_J9ServerVM::isSameOrSuperClass(J9Class *superClass, J9Class *subClass)
    if (superClass == subClass) // same class
       return true;
 
-   void *superClassLoader, *subClassLoader;
-   JITServer::ServerStream *stream = _compInfoPT->getMethodBeingCompiled()->_stream;
-   JITServerHelpers::getAndCacheRAMClassInfo(superClass, _compInfoPT->getClientData(), stream, JITServerHelpers::CLASSINFO_CLASS_LOADER, &superClassLoader);
-   JITServerHelpers::getAndCacheRAMClassInfo(subClass, _compInfoPT->getClientData(), stream, JITServerHelpers::CLASSINFO_CLASS_LOADER, &subClassLoader);
-   if (superClassLoader != subClassLoader)
-      return false;
-
    TR_OpaqueClassBlock *candidateSuperClassPtr = reinterpret_cast<TR_OpaqueClassBlock *>(superClass);
    TR_OpaqueClassBlock *classPtr = reinterpret_cast<TR_OpaqueClassBlock *>(subClass);
    // walk the hierarchy, trying to find a matching super class