Patch 7.4.118
Problem:    It's possible that redrawing the status lines causes
            win_redr_custom() to be called recursively.
Solution:   Protect against recursiveness. (Yasuhiro Matsumoto)
Files:      src/screen.c


*** ../vim-7.4.117/src/screen.c 2013-11-08 04:30:06.000000000 +0100
--- src/screen.c        2013-12-11 15:32:21.000000000 +0100
***************
*** 6653,6658 ****
--- 6653,6659 ----
      win_T     *wp;
      int               draw_ruler;     /* TRUE or FALSE */
  {
+     static int        entered = FALSE;
      int               attr;
      int               curattr;
      int               row;
***************
*** 6671,6676 ****
--- 6672,6684 ----
      win_T     *ewp;
      int               p_crb_save;
  
+     /* There is a tiny chance that this gets called recursively: When
+      * redrawing a status line triggers redrawing the ruler or tabline.
+      * Avoid trouble by not allowing recursion. */
+     if (entered)
+       return;
+     entered = TRUE;
+ 
      /* setup environment for the task at hand */
      if (wp == NULL)
      {
***************
*** 6746,6752 ****
      }
  
      if (maxwidth <= 0)
!       return;
  
      /* Temporarily reset 'cursorbind', we don't want a side effect from moving
       * the cursor away and back. */
--- 6754,6760 ----
      }
  
      if (maxwidth <= 0)
!       goto theend;
  
      /* Temporarily reset 'cursorbind', we don't want a side effect from moving
       * the cursor away and back. */
***************
*** 6827,6832 ****
--- 6835,6843 ----
        while (col < Columns)
            TabPageIdxs[col++] = fillchar;
      }
+ 
+ theend:
+     entered = FALSE;
  }
  
  #endif /* FEAT_STL_OPT */
*** ../vim-7.4.117/src/version.c        2013-12-11 15:06:36.000000000 +0100
--- src/version.c       2013-12-11 15:32:16.000000000 +0100
***************
*** 740,741 ****
--- 740,743 ----
  {   /* Add new patch number below this line */
+ /**/
+     118,
  /**/

-- 
Nothing is fool-proof to a sufficiently talented fool.

 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///

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