for (CompilableGuard guard : guards) {
guard.addGuard(returnFalse, gm, cm, sm, cw, id, cargs, Type.getType(internalClassName));
}
// Makes it through the guard, success
gm.push(true);
gm.returnValue();
// Jumps to returnFalse, failure
gm.visitLabel(returnFalse);
gm.push(false);
gm.returnValue();