protected void genThrow(Context ctx, Tree arg) {
protected void genThrow(Context ctx, Tree arg) throws JCode.OffsetTooBigException {
    protected void genThrow(Context ctx, Tree arg) {        genLoad(ctx, arg, JAVA_LANG_OBJECT_T);        ctx.code.emitCHECKCAST(JAVA_LANG_THROWABLE_T);        ctx.code.emitATHROW();    }