To: vim_dev@googlegroups.com
Subject: Patch 8.2.4293
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.4293
Problem:    Vim9: when copying a list it gets type list<any> even when the
            original list did not have a type.
Solution:   Only set the type when the original list has a type. (closes #9692)
Files:      src/list.c, src/testdir/test_vim9_expr.vim


*** ../vim-8.2.4292/src/list.c	2022-02-02 20:01:21.957210955 +0000
--- src/list.c	2022-02-03 21:39:44.415081372 +0000
***************
*** 1216,1222 ****
      copy = list_alloc();
      if (copy != NULL)
      {
! 	copy->lv_type = alloc_type(top || deep ? &t_list_any: orig->lv_type);
  	if (copyID != 0)
  	{
  	    // Do this before adding the items, because one of the items may
--- 1216,1226 ----
      copy = list_alloc();
      if (copy != NULL)
      {
! 	if (orig->lv_type == NULL)
! 	    copy->lv_type = NULL;
! 	else
! 	    copy->lv_type = alloc_type(top || deep
! 						 ? &t_list_any: orig->lv_type);
  	if (copyID != 0)
  	{
  	    // Do this before adding the items, because one of the items may
*** ../vim-8.2.4292/src/testdir/test_vim9_expr.vim	2022-01-31 13:36:32.076275510 +0000
--- src/testdir/test_vim9_expr.vim	2022-02-03 21:42:51.254780198 +0000
***************
*** 1495,1500 ****
--- 1495,1503 ----
  
        # result of glob() is "any", runtime type check
        var sl: list<string> = glob('*.txt', false, true) + ['']
+ 
+       var lln: list<list<number>> = [[1] + [2]]
+       assert_equal([[1, 2]], lln)
    END
    v9.CheckDefAndScriptSuccess(lines)
  enddef
*** ../vim-8.2.4292/src/version.c	2022-02-03 21:29:35.820072136 +0000
--- src/version.c	2022-02-03 21:41:10.802942014 +0000
***************
*** 748,749 ****
--- 748,751 ----
  {   /* Add new patch number below this line */
+ /**/
+     4293,
  /**/

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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///                                                                      \\\
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