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48098Re: About patch 7.1.130

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  • Bram Moolenaar
    Oct 2, 2007
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      Andy Wokula wrote:

      > Bram Moolenaar schrieb:
      > > Patch 7.1.130
      > > Problem: Crash with specific order of undo and redo. (A.Politz)
      > > Solution: Clear and adjust pointers properly. Add u_check() for debugging.
      > > Files: src/undo.c, src/structs.h
      >
      > Btw: How to reproduce this crash?

      A.Politz made this script:


      -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
      "Function : Segfault
      "Args : None
      "Purpose : Called by the "UserGettingBored" aucommand.
      func! Segfault()
      setl noswapfile
      new
      setl noswapfile
      set undolevels=3
      put =0
      put =1
      set undolevels=3
      put =2
      set undolevels=3
      put =3
      set undolevels=3
      put =4
      set undolevels=1
      norm 3u
      set undolevels=3
      put =5
      set undolevels=1
      norm 3u
      endfun


      call Segfault()
      -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

      Even with some small changes it still crashes, tries to free memory
      that's already free, hangs, and other nasty things.

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