Dominique Pellé wrote:

> > Hi
> >
> > Vim-7.4.1046 (and older) segfaults on Linux x86_64 when doing:
> >
> > $ vim -u NONE -c 'unlet! c count'
> > Vim: Caught deadly signal SEGV
> > Vim: Finished.
> > Segmentation fault (core dumped)
> >
> > Interestingly, vim-7.4.52 (that comes with Ubuntu-14.04)
> > does not crash.  I did not have the time to do a bisection to
> > see which patch introduced the bug.
> 
> 
> The command to crash can be simplified to:
> 
> $ vim -u NONE -c 'unlet! count'
> Vim: Caught deadly signal SEGV

And even without the "!" it crashes.  Thanks for the fix.
Small correction: The "return NULL" should be "return FAIL".
I'll add a test.

> I finally did a bisection:
> 
> vim-7.4.698 ... segfault
> vim-7.4.697 ... OK
> 
> So it's this checkin that introduced the regression:
> 
> commit 9bc174b69d2775b0f27ed74bf372608d18c9f3d4
> Author: Bram Moolenaar <[email protected]>
> Date:   Mon Apr 13 16:16:38 2015 +0200
> 
>     patch 7.4.698
>     Problem:    Various problems with locked and fixed lists and dictionaries.
>     Solution:   Disallow changing locked items, fix a crash, add tests. (Olaf
>                 Dabrunz)

Fix one bug, create another one...  Shows we still need more tests!

-- 
BRIDGEKEEPER: What is your favorite colour?
LAUNCELOT:    Blue.
BRIDGEKEEPER: Right.  Off you go.
                 "Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

 /// 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    ///

-- 
-- 
You received this message from the "vim_dev" maillist.
Do not top-post! Type your reply below the text you are replying to.
For more information, visit http://www.vim.org/maillist.php

--- 
You received this message because you are subscribed to the Google Groups 
"vim_dev" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
For more options, visit https://groups.google.com/d/optout.

Raspunde prin e-mail lui