program = alloca_array (Opbyte, 1 + 2 * XSTRING_LENGTH (f->instructions));
optimize_byte_code (f->instructions, f->constants,
program, &program_length, &varbind_count);
program = alloca_array (Opbyte, 1 + 2 * XSTRING_LENGTH (f->instructions));
optimize_byte_code (f->instructions, f->constants,
program, &program_length, &varbind_count);