Trying to open this file pegs the CPU and then potentially crashes. Excel 2007 opens the file very fast and does no have any issues.
Link to the big excel file: https://dl.dropboxusercontent.com/u/3371527/Temperatures%20June.xlsx
On pc Debian x86-64 with master sources updated today, I reproduced the hanging. I didn't wait for the crash but saw the memory consumption increase more and more.
I've adjusted the Importance settings according to this flowchart: https://wiki.documentfoundation.org/images/0/06/Prioritizing_Bugs_Flowchart.jpg
Still an issue in 4.1.1.2
The reported problem can still be reproduce on version 4.1.3.
Kohei: perhaps you might be interesting in this one since you're doing some refactoring/optimizing (at least, it seemed to me as a beotian :-) )
Hi, This is still a problem in version 4.2.1
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