The test detected the double delete, but not the use of free instead
of delete:

1064871255: 52: Dmalloc version '5.2.2' from 'http://dmalloc.com/'
1064871255: 52: flags = 0x4e40503, logfile 'logfile'
1064871255: 52: interval = 100, addr = 0, seen # = 0, limit = 0
1064871255: 52: starting time = 1064871255
1064871255: 52: process pid = 22852
1064871255: 52: free: cannot locate pointer in heap: pointer '0x80d9f58' from 'ra=0x804a8b1' prev access 'unknown'
1064871255: 52: ERROR: _dmalloc_chunk_free: cannot locate pointer in heap (err 22)