Instruction tmplate = ((Code) AccessController.doPrivileged(
J2DoPrivHelper.newCodeAction())).vreturn();
JumpInstruction toret;
Instruction ret;
code.beforeFirst();
while (code.searchForward(tmplate)) {
ret = code.previous();
// if (clear) pcSetDetachedState (null);
code.iload().setLocal(clear);
toret = code.ifeq();
loadManagedInstance(code, false);