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To: vim_dev@googlegroups.com
Subject: Patch 7.3.516
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------

Patch 7.3.516
Problem:    extend(o, o) may crash Vim.
Solution:   Fix crash and add test. (Thinca and Hirohito Higashi)
Files:	    src/eval.c, src/testdir/test55.in, src/testdir/test55.ok


*** ../vim-7.3.515/src/eval.c	2012-04-30 17:35:44.000000000 +0200
--- src/eval.c	2012-05-18 12:02:44.000000000 +0200
***************
*** 10191,10197 ****
  			EMSG2(_("E737: Key already exists: %s"), hi2->hi_key);
  			break;
  		    }
! 		    else if (*action == 'f')
  		    {
  			clear_tv(&di1->di_tv);
  			copy_tv(&HI2DI(hi2)->di_tv, &di1->di_tv);
--- 10191,10197 ----
  			EMSG2(_("E737: Key already exists: %s"), hi2->hi_key);
  			break;
  		    }
! 		    else if (*action == 'f' && HI2DI(hi2) != di1)
  		    {
  			clear_tv(&di1->di_tv);
  			copy_tv(&HI2DI(hi2)->di_tv, &di1->di_tv);
*** ../vim-7.3.515/src/testdir/test55.in	2010-11-10 20:31:24.000000000 +0100
--- src/testdir/test55.in	2012-05-18 11:57:23.000000000 +0200
***************
*** 352,357 ****
--- 352,375 ----
  :let dict4copy = deepcopy(dict4)
  :$put =(l == lcopy)
  :$put =(dict4 == dict4copy)
+ :"
+ :" Pass the same List to extend()
+ :let l = [1, 2, 3, 4, 5]
+ :call extend(l, l)
+ :$put =string(l)
+ :"
+ :" Pass the same Dict to extend()
+ :let d = { 'a': {'b': 'B'}}
+ :call extend(d, d)
+ :$put =string(d)
+ :"
+ :" Pass the same Dict to extend() with "error"
+ :try
+ :  call extend(d, d, "error")
+ :catch
+ :  $put =v:exception[:15] . v:exception[-1:-1]
+ :endtry
+ :$put =string(d)
  :endfun
  :"
  :call Test(1, 2, [3, 4], {5: 6})  " This may take a while
*** ../vim-7.3.515/src/testdir/test55.ok	2010-11-10 20:31:24.000000000 +0100
--- src/testdir/test55.ok	2012-05-18 11:57:01.000000000 +0200
***************
*** 111,113 ****
--- 111,117 ----
  0
  1
  1
+ [1, 2, 3, 4, 5, 1, 2, 3, 4, 5]
+ {'a': {'b': 'B'}}
+ Vim(call):E737: a
+ {'a': {'b': 'B'}}
*** ../vim-7.3.515/src/version.c	2012-04-30 21:09:38.000000000 +0200
--- src/version.c	2012-05-18 12:04:54.000000000 +0200
***************
*** 716,717 ****
--- 716,719 ----
  {   /* Add new patch number below this line */
+ /**/
+     516,
  /**/

-- 
I used to wonder about the meaning of life.  But I looked it
up in the dictionary under "L" and there it was - the meaning
of life.  It was less than I expected.              - Dogbert

 /// Bram Moolenaar -- Bram@Moolenaar.net -- 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    ///