Merge branch 'PHP-7.4'

* PHP-7.4:
  Better data packing

Author: dstogov

Zend/zend_gc.c

@@ -183,12 +183,13 @@ typedef struct _gc_root_buffer {
 } gc_root_buffer;
 
 typedef struct _zend_gc_globals {
+	gc_root_buffer   *buf;				/* preallocated arrays of buffers   */
+
 	zend_bool         gc_enabled;
 	zend_bool         gc_active;        /* GC currently running, forbid nested GC */
 	zend_bool         gc_protected;     /* GC protected, forbid root additions */
 	zend_bool         gc_full;
 
-	gc_root_buffer   *buf;				/* preallocated arrays of buffers   */
 	uint32_t          unused;			/* linked list of unused buffers    */
 	uint32_t          first_unused;		/* first unused buffer              */
 	uint32_t          gc_threshold;     /* GC collection threshold          */