These should be fixed to prepend the package name. Anonymous classes must have the same package name as the host class. If they're not in a package, the package name is prepended to the name.

+gc/g1/unloading/tests/unloading_anonclassloader_keep_obj execute_positive gc,stress,stressopt,nonconcurrent,javac,quarantine # JDK-8165699
+gc/g1/unloading/tests/unloading_anonclassloader_keep_class execute_positive gc,stress,stressopt,nonconcurrent,javac,quarantine # JDK-8165699
+gc/g1/unloading/tests/unloading_anonclassloader_inMemoryCompilation_keep_obj execute_positive gc,stress,stressopt,nonconcurrent,javac,quarantine # JDK-8165699
+gc/g1/unloading/tests/unloading_anonclassloader_inMemoryCompilation_keep_class execute_positive gc,stress,stressopt,nonconcurrent,javac,quarantine # JDK-8165699