fix trafficserver segmentation fault on arm64

on arm64, compression and decompression of pointers are inconsistent
use top 12 bits to save version info and update pointer extraction method

Author: wangrong1069

include/tscore/ink_queue.h

@@ -136,7 +136,11 @@ union head_p {
 #define SET_FREELIST_POINTER_VERSION(_x, _p, _v) \
   (_x).s.pointer = _p;                           \
   (_x).s.version = _v
-#elif defined(__x86_64__) || defined(__ia64__) || defined(__powerpc64__) || defined(__aarch64__) || defined(__mips64)
+#elif defined(__aarch64__)
+#define FREELIST_POINTER(_x) ((void *)((((intptr_t)(_x).data) & 0x000FFFFFFFFFFFFFULL)))
+#define FREELIST_VERSION(_x) (((intptr_t)(_x).data) >> 52)
+#define SET_FREELIST_POINTER_VERSION(_x, _p, _v) (_x).data = (((intptr_t)(_p)) | (((_v)&0xFFFULL) << 52))
+#elif defined(__x86_64__) || defined(__ia64__) || defined(__powerpc64__) || defined(__mips64)
 #define FREELIST_POINTER(_x) \
   ((void *)(((((intptr_t)(_x).data) << 16) >> 16) | (((~((((intptr_t)(_x).data) << 16 >> 63) - 1)) >> 48) << 48))) // sign extend
 #define FREELIST_VERSION(_x) (((intptr_t)(_x).data) >> 48)