Qt 5.5.0 (x86_64-little_endian-llp64 shared (dynamic) debug build; by MSVC 2013)
### add paths:
Adding 1 to existing 0 watchers
Looking for a thread/handle for "D:/temp/qtbug46449_file1_Hp6188.txt"
QWindowsFileSystemWatcherEngine::addPaths absolutePath= "D:/temp" normalPath= "D:/temp/qtbug46449_file1_Hp6188.txt"
No thread found
  ###Creating new thread QWindowsFileSystemWatcherEngineThread(0x8287a34030) "D:/temp" ( 1 threads)
"D:/temp/qtbug46449_file1_Hp6188.txt" true
Adding 1 to existing 1 watchers

Looking for a thread/handle for "D:/temp/qtbug46449_file2_gq6188.txt"
QWindowsFileSystemWatcherThread QWindowsFileSystemWatcherEngineThread(0x8287a34030) waiting on 2 handles
QWindowsFileSystemWatcherEngine::addPaths absolutePath= "D:/temp" normalPath= "D:/temp/qtbug46449_file2_gq6188.txt"
Found a thread QWindowsFileSystemWatcherEngineThread(0x8287a34030) "D:/temp"
"D:/temp/qtbug46449_file2_gq6188.txt" true
### files: ("D:/temp/qtbug46449_file1_Hp6188.txt", "D:/temp/qtbug46449_file2_gq6188.txt")

### remove same paths one by one:

QFileSystemWatcher::removePaths native
removePaths ("D:/temp/qtbug46449_file1_Hp6188.txt")
QWindowsFileSystemWatcherThread QWindowsFileSystemWatcherEngineThread(0x8287a34030) waiting on 2 handles
removing "D:/temp/qtbug46449_file1_Hp6188.txt"
handle.handle1 0xffffffffffffffff absolutePath= "D:/temp/qtbug46449_file1_Hp6188.txt"
handle.handle2 0x138 absolutePath= "D:/temp"
PathInfoHash= 2
h.remove true "D:/temp/qtbug46449_file1_Hp6188.txt"
removePaths returns ("D:/temp/qtbug46449_file1_Hp6188.txt")
"D:/temp/qtbug46449_file1_Hp6188.txt" false

QFileSystemWatcher::removePaths native
removePaths ("D:/temp/qtbug46449_file2_gq6188.txt")
removing "D:/temp/qtbug46449_file2_gq6188.txt"
handle.handle1 0xffffffffffffffff absolutePath= "D:/temp/qtbug46449_file2_gq6188.txt"
handle.handle2 0x138 absolutePath= "D:/temp"
PathInfoHash= 1
h.remove true "D:/temp/qtbug46449_file2_gq6188.txt"
Closing handle 0x138
h.isEmpty(), calling it.remove()
Stopping thread  QWindowsFileSystemWatcherEngineThread(0x8287a34030)
thread QWindowsFileSystemWatcherEngineThread(0x8287a34030) told to quit
removePaths returns ("D:/temp/qtbug46449_file2_gq6188.txt")
"D:/temp/qtbug46449_file2_gq6188.txt" true
### files: ()

### add paths again
Adding 1 to existing 0 watchers
Looking for a thread/handle for "D:/temp/qtbug46449_file1_Hp6188.txt"
QWindowsFileSystemWatcherEngine::addPaths absolutePath= "D:/temp" normalPath= "D:/temp/qtbug46449_file1_Hp6188.txt"
No thread found
  ###Creating new thread QWindowsFileSystemWatcherEngineThread(0x8287a391e0) "D:/temp" ( 1 threads)
"D:/temp/qtbug46449_file1_Hp6188.txt" true
Adding 1 to existing 1 watchers
Looking for a thread/handle for "D:/temp/qtbug46449_file2_gq6188.txt"
QWindowsFileSystemWatcherThread QWindowsFileSystemWatcherEngineThread(0x8287a391e0) waiting on 2 handles
QWindowsFileSystemWatcherEngine::addPaths absolutePath= "D:/temp" normalPath= "D:/temp/qtbug46449_file2_gq6188.txt"
Found a thread QWindowsFileSystemWatcherEngineThread(0x8287a391e0) "D:/temp"
"D:/temp/qtbug46449_file2_gq6188.txt" true
### files: ("D:/temp/qtbug46449_file1_Hp6188.txt", "D:/temp/qtbug46449_file2_gq6188.txt")
QWindowsFileSystemWatcherThread QWindowsFileSystemWatcherEngineThread(0x8287a391e0) waiting on 2 handles

### remove paths with removePaths(): (returns path that were not removed)
QFileSystemWatcher::removePaths native
removePaths ("D:/temp/qtbug46449_file1_Hp6188.txt", "D:/temp/qtbug46449_file2_gq6188.txt")
removing "D:/temp/qtbug46449_file1_Hp6188.txt"
handle.handle1 0xffffffffffffffff absolutePath= "D:/temp/qtbug46449_file1_Hp6188.txt"
handle.handle2 0x138 absolutePath= "D:/temp"
PathInfoHash= 2
h.remove true "D:/temp/qtbug46449_file1_Hp6188.txt"
removing "D:/temp/qtbug46449_file2_gq6188.txt"
handle.handle1 0xffffffffffffffff absolutePath= "D:/temp/qtbug46449_file2_gq6188.txt"
handle.handle2 0x138 absolutePath= "D:/temp"
PathInfoHash= 1
h.remove true "D:/temp/qtbug46449_file2_gq6188.txt"
Closing handle 0x138
h.isEmpty(), calling it.remove()
Stopping thread  QWindowsFileSystemWatcherEngineThread(0x8287a391e0)
thread QWindowsFileSystemWatcherEngineThread(0x8287a391e0) told to quit
removePaths returns ("D:/temp/qtbug46449_file1_Hp6188.txt", "D:/temp/qtbug46449_file2_gq6188.txt")
("D:/temp/qtbug46449_file1_Hp6188.txt")
### files: ()