patch 8.0.1414: accessing freed memory in :lfile.

Problem:    Accessing freed memory in :lfile.
Solution:   Get the current window after executing autocommands. (Yegappan
            Lakshmanan, closes vim#2473)

patch 8.0.1413: accessing freed memory in :cbuffer

Problem:    Accessing freed memory in :cbuffer.
Solution:   Get quickfix list after executing autocmds. (closes vim#2470)

patch 8.0.1412: using free memory using setloclist()

Problem:    Using free memory using setloclist(). (Dominique Pelle)
Solution:   Mark location list context as still in use when needed. (Yegappan
            Lakshmanan, closes vim#2462)

patch 8.0.1411: reading invalid memory with CTRL-W :

Problem:    Reading invalid memory with CTRL-W :.
Solution:   Correct the command characters. (closes vim#2469)

patch 8.0.1410: hang when using count() with an empty string

Problem:    Hang when using count() with an empty string.
Solution:   Return zero for an empty string. (Dominique Pelle, closes vim#2465)

patch 8.0.1409: buffer overflow in :tags command

Problem:    Buffer overflow in :tags command.
Solution:   Use vim_snprintf(). (Dominique Pelle, closes vim#2471, closes vim#2475)
            Add a test.

patch 8.0.1408: crash in setqflist()

Problem:    Crash in setqflist().
Solution:   Check for string to be NULL. (Dominique Pelle, closes vim#2464)

patch 8.0.1407: GUI: CursorHold may trigger before 'updatetime'

Problem:    GUI: CursorHold may trigger before 'updatetime' when using timers.
Solution:   Check that 'updatetime' has passed.

patch 8.0.1406: difficult to track changes to a quickfix list

Problem:    Difficult to track changes to a quickfix list.
Solution:   Add a "changedtick" value. (Yegappan Lakshmanan, closes vim#2460)

patch 8.0.1405: duplicated code for getting a typed character

Problem:    Duplicated code for getting a typed character. CursorHold is
            called too often in the GUI. (lilydjwg)
Solution:   Refactor code to move code up from mch_inchar().  Don't fire
            CursorHold if feedkeys() was used. (closes vim#2451)