[Libreoffice-bugs] [Bug 114266] New: HANG if copy / paste very big number of cells with conditional formatting

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=114266

            Bug ID: 114266
           Summary: HANG if copy / paste very big number of cells with
                    conditional formatting
           Product: LibreOffice
           Version: 5.4.2.2 release
          Hardware: x86-64 (AMD64)
                OS: Windows (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: high
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: LibreOffice at bielefeldundbuss.de

Steps how to reproduce with Version: 6.0.0.0.alpha1+ (x64)
Build ID: a5af0fd9f27af42cf2e8571f659cdad6e606215b  CPU threads: 4; OS: Windows
6.1; UI render: default; 
TinderBox: Win-x86_64 at 42, Branch:master, Time: 2017-11-07_00:30:02
Locale: de-DE (de_DE); Calc: CL:

1. Open attached "sample_001.ods"
2. Click A1
3. <ctrl-c> for copy
4. Click Column Heading "B"
5. <ctrl-v> for paste
   Expected: after few seconds paste is done, can continue editing
   Actual: hangs for a long time, with maximum CPU loac                  :-(
           I had to terminate LibO after 15 minutes or so

a) All my tests seem to show that the problem is related to 
   conditional formatting, other cells without c.f. do not show this problem
b) Already REPRODUCIBLE with Version: 5.4.2.2 
   Build-ID: 22b09f6418e8c2d508a9eaf86b2399209b0990f4 CPU-Threads: 4; 
   Betriebssystem:Windows 6.1; UI-Render: Standard; 
   Gebietsschema: de-DE (de_DE); Calc: group
c) all the same on WIN10

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