diff --git a/src/include/utils/snapshot.h b/src/include/utils/snapshot.h
index 93c02fa42d3..900272e7043 100644
--- a/src/include/utils/snapshot.h
+++ b/src/include/utils/snapshot.h
@@ -46,13 +46,14 @@ typedef struct SnapshotData
 	 */
 	TransactionId xmin;			/* all XID < xmin are visible to me */
 	TransactionId xmax;			/* all XID >= xmax are invisible to me */
-	uint32		xcnt;			/* # of xact ids in xip[] */
 	TransactionId *xip;			/* array of xact IDs in progress */
+	uint32		xcnt;			/* # of xact ids in xip[] */
 	/* note: all ids in xip[] satisfy xmin <= xip[i] < xmax */
 	int32		subxcnt;		/* # of xact ids in subxip[] */
 	TransactionId *subxip;		/* array of subxact IDs in progress */
 	bool		suboverflowed;	/* has the subxip array overflowed? */
 	bool		takenDuringRecovery;	/* recovery-shaped snapshot? */
+	bool		copied;			/* false if it's a static snapshot */
 
 	/*
 	 * note: all ids in subxip[] are >= xmin, but we don't bother filtering
@@ -61,7 +62,6 @@ typedef struct SnapshotData
 	CommandId	curcid;			/* in my xact, CID < curcid are visible */
 	uint32		active_count;	/* refcount on ActiveSnapshot stack */
 	uint32		regd_count;		/* refcount on RegisteredSnapshotList */
-	bool		copied;			/* false if it's a static snapshot */
 } SnapshotData;
 
 /*