page0page.ic:

  Add an assert
dyn0dyn.h:
  Reduce stack consumption

innobase/include/dyn0dyn.h

@@ -18,7 +18,7 @@ typedef dyn_block_t			dyn_array_t;
 
 
 /* Initial 'payload' size in bytes in a dynamic array block */
-#define	DYN_ARRAY_DATA_SIZE	1024
+#define	DYN_ARRAY_DATA_SIZE	512
 
 /*************************************************************************
 Initializes a dynamic array. */

innobase/include/page0page.ic

@@ -512,6 +512,8 @@ page_dir_find_owner_slot(
 	slot = page_dir_get_nth_slot(page, i); 
 
 	while (page_dir_slot_get_rec(slot) != rec) {
+		ut_a(i > 0);
+
 		i--;
 		slot = page_dir_get_nth_slot(page, i); 
 	}