8154580: Save mirror in interpreter frame to enable cleanups of CLDClosure
Summary: GC walks the mirror using OopClosure rather than using CLDClosure in oops_interpreted_do()
Reviewed-by: dlong, twisti, stefank

8146410: Interpreter functions are declared and defined in the wrong files
Summary: Moved functions to the correct files.
Reviewed-by: goetz, aph, twisti, mockner