8000797: NPG: is_pseudo_string_at() doesn't work Summary: Zero Symbol* for constant pool strings to indicate pseudo_strings (objects that aren't strings). Clean up JVM_CONSTANT_Object and unused flags. Reviewed-by: sspitsyn, jrose

7165259: Remove BugSpot Reviewed-by: coleenp, mgronlun

8008071: Crashed in promote_malloc_records() with Kitchensink after 19 days Summary: Added NULL pointer check for arena size record Reviewed-by: sspitsyn, dholmes