split code leaking ikey memory

Direct leak of 142 byte(s) in 3 object(s) allocated from:

    #0 0x48df19 in calloc (<http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/test/format/t+0x48df19)>

    WT-1 0x67d388 in __wt_calloc <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/os_posix/os_alloc.c>:39

    WT-2 0xa70628 in __wt_row_ikey <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/row_key.c>:494

    WT-3 0x9e9d0d in __split_ref_deepen_move <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/bt_split.c>:294

    WT-4 0x9e70de in __split_deepen <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/bt_split.c>:503

    WT-5 0x9da638 in __split_parent <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/bt_split.c>:1052

    WT-6 0x9de764 in __wt_split_multi <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/bt_split.c>:1503

    WT-7 0x5c94da in __evict_page_dirty_update <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/evict/evict_page.c>:215

    WT-8 0x5c2f85 in __wt_evict <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/evict/evict_page.c>:109

    WT-9 0x5a7aba in __wt_evict_page <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/evict/evict_lru.c>:630

    WT-10 0x5ab00b in __wt_evict_lru_page <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/evict/evict_lru.c>:1310

    WT-11 0xd4df90 in __wt_cache_full_check <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/include/cache.i>:193

    WT-12 0xd4fdce in __cursor_enter <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/include/cursor.i>:63:33

    WT-13 0xd4efa6 in __curfile_enter <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/include/cursor.i>:98:32

    WT-14 0xd2feee in __cursor_func_init <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/include/cursor.i>:197:33

    WT-15 0xd2d7bc in __wt_btcur_search <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/btree/bt_cursor.c>:308:32

    WT-16 0xb35693 in __curfile_search <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/../src/cursor/cur_file.c>:200

    WT-17 0x4bfdc2 in read_row <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/test/format/../../../test/format/ops.c>:602

    WT-18 0x4bd790 in ops <http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer/ws/build_posix/test/format/../../../test/format/ops.c>:476

    WT-19 0x3f17e07ee4 in start_thread (/lib64/libpthread.so.0+0x3f17e07ee4)

############################################

#  RUN PARAMETERS

############################################

abort=0

auto_throttle=1

firstfit=0

bitcnt=2

bloom=1

bloom_bit_count=41

bloom_hash_count=16

bloom_oldest=0

cache=13

checkpoints=1

checksum=uncompressed

chunk_size=2

compaction=0

compression=zlib

data_extend=0

data_source=table

delete_pct=12

dictionary=0

evict_max=3

file_type=row-store

backups=0

huffman_key=0

huffman_value=0

insert_pct=14

internal_key_truncation=1

internal_page_max=16

isolation=snapshot

key_gap=18

key_max=80

key_min=26

leak_memory=0

leaf_page_max=9

logging=0

logging_archive=0

logging_prealloc=0

logging=0

lsm_worker_threads=3

merge_max=15

mmap=1

ops=100000

prefix_compression=1

prefix_compression_min=8

repeat_data_pct=46

reverse=0

rows=100000

runs=1

split_pct=47

statistics=0

threads=25

timer=0

value_max=2874

value_min=3

wiredtiger_config=

write_pct=20

############################################