> compile NEMU

ysyx_22040000 李心杨
Linux calcite 6.1.69 #1-NixOS SMP PREEMPT_DYNAMIC Wed Dec 20 16:00:29 UTC 2023 x86_64 GNU/Linux
 09:50:26  up 1 day 10:06,  2 users,  load average: 1.88, 0.85, 0.56

nemu/tests/expr_test.c

@@ -43,6 +43,7 @@ void gen_num(void) {
     case 3:
       len = snprintf(buf_ptr, 100, "%d", num);
       ref_len = snprintf(ref_buf_ptr, 100, "%d", num);
+      break;
     default: assert(0);
   }
   buf_ptr += len;