To: vim_dev@googlegroups.com
Subject: Patch 8.2.4643
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 8.2.4643
Problem:    Vim9: variable may be locked unintentionally.
Solution:   Clear "v_lock". (closes #10036)
Files:      src/vim9execute.c, src/testdir/test_vim9_builtin.vim


*** ../vim-8.2.4642/src/vim9execute.c	2022-03-28 15:22:31.486443735 +0100
--- src/vim9execute.c	2022-03-28 18:12:27.643526792 +0100
***************
*** 937,942 ****
--- 937,943 ----
      tv = STACK_TV_BOT(-1);
      tv->v_type = VAR_NUMBER;
      tv->vval.v_number = 0;
+     tv->v_lock = 0;
  
      return OK;
  }
*** ../vim-8.2.4642/src/testdir/test_vim9_builtin.vim	2022-03-27 16:29:49.880153368 +0100
--- src/testdir/test_vim9_builtin.vim	2022-03-28 18:10:58.743413650 +0100
***************
*** 371,380 ****
--- 371,387 ----
    assert_fails('bufname([])', 'E1220:')
  enddef
  
+ let s:bufnr_res = 0
+ 
  def Test_bufnr()
    var buf = bufnr()
    bufnr('%')->assert_equal(buf)
  
+   # check the lock is not taken over through the stack
+   const nr = 10
+   bufnr_res = bufnr()
+   bufnr_res = 12345
+ 
    buf = bufnr('Xdummy', true)
    buf->assert_notequal(-1)
    exe 'bwipe! ' .. buf
*** ../vim-8.2.4642/src/version.c	2022-03-28 15:22:31.490443719 +0100
--- src/version.c	2022-03-28 18:05:11.863310512 +0100
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     4643,
  /**/

-- 
Trees moving back and forth is what makes the wind blow.

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