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bug#11583: 24.0.97; 24 pretest Emacs.app crashes closing frames

From: Jan Djärv
Subject: bug#11583: 24.0.97; 24 pretest Emacs.app crashes closing frames
Date: Mon, 11 Jun 2012 18:57:57 +0200


4 jun 2012 kl. 23:11 skrev Steven Parkes:

> On Jun 4, 2012, at 2:09 PM, Jan Djärv wrote:
>> I am debugging this. It is some wierd stack corruption that only happens 
>> with an optimized build.  Still looking...
> Thanks. Let me know if there's anything I can do to help ...

Free:d memory was being used.  As I can't reproduce the bug could you run with 
it for a while and see if it fixed?  The fix is checked in in the emacs-24 
branch.  I guess it will propagate to the trunk.

After much debugging I think the stack corruption is partly a gdb-bug.  
Stepping through the code shows different values for f, but if I print out the 
value at the end of the function, it prints the correct value, but not what GDB 

Stack corruption could have happend before, when free:d memory was used though.

        Jan D.

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