Patch 8.2.4643

[Bram Moolenaar]

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