Full_Name: Howard Chu
Version: LMDB 0.9.21
Submission from: (NULL) (18.104.22.168)
Submitted by: hyc
When deleting a series of records in a loop using mdb_cursor_get(MDB_NEXT) in a
DUPSORT DB, when deleting the last dup of one key, the first dup of the next key
gets skipped on the next iteration.
This appears to be due to an incomplete fix to ITS#8622