Some more FLEXIBLE_ARRAY_MEMBER fixes.

2 files changed, 10 insertions, 1 deletions

diff --git a/src/include/access/brin_page.h b/src/include/access/brin_page.h
index d8fa190912..44ce5f6d1a 100644
--- a/src/include/access/brin_page.h
+++ b/src/include/access/brin_page.h
@@ -56,7 +56,12 @@ typedef struct BrinMetaPageData
 /* Definitions for revmap pages */
 typedef struct RevmapContents
 {
-	ItemPointerData rm_tids[1]; /* really REVMAP_PAGE_MAXITEMS */
+	/*
+	 * This array will fill all available space on the page.  It should be
+	 * declared [FLEXIBLE_ARRAY_MEMBER], but for some reason you can't do that
+	 * in an otherwise-empty struct.
+	 */
+	ItemPointerData rm_tids[1];
 } RevmapContents;
 
 #define REVMAP_CONTENT_SIZE \
diff --git a/src/include/replication/slot.h b/src/include/replication/slot.h
index d22963d030..a4001360c4 100644
--- a/src/include/replication/slot.h
+++ b/src/include/replication/slot.h
@@ -130,6 +130,10 @@ typedef struct ReplicationSlot
  */
 typedef struct ReplicationSlotCtlData
 {
+	/*
+	 * This array should be declared [FLEXIBLE_ARRAY_MEMBER], but for some
+	 * reason you can't do that in an otherwise-empty struct.
+	 */
 	ReplicationSlot replication_slots[1];
 } ReplicationSlotCtlData;