Patch 8.2.0735

[Bram Moolenaar]

Patch 8.2.0735
Problem: Vim9: using unitialized memory.
Solution: Clear the arg_lvar field.
Files: src/vim9compile.c


*** ../vim-8.2.0734/src/vim9compile.c 2020-05-10 22:53:51.282678776 +0200
--- src/vim9compile.c 2020-05-10 23:18:21.225450715 +0200
***************
*** 4762,4779 ****
}

lvar = lookup_local(arg, varlen, cctx);
! if (lvar == NULL
! && lookup_arg(arg, varlen,
&arg_lvar.lv_idx, &arg_lvar.lv_type,
&arg_lvar.lv_from_outer, cctx) == OK)
- {
- if (is_decl)
{
! semsg(_(e_used_as_arg), name);
! goto theend;
}
- arg_lvar.lv_const = 0;
- lvar = &arg_lvar;
}
if (lvar != NULL)
{
--- 4762,4781 ----
}

lvar = lookup_local(arg, varlen, cctx);
! if (lvar == NULL)
! {
! CLEAR_FIELD(arg_lvar);
! if (lookup_arg(arg, varlen,
&arg_lvar.lv_idx, &arg_lvar.lv_type,
&arg_lvar.lv_from_outer, cctx) == OK)
{
! if (is_decl)
! {
! semsg(_(e_used_as_arg), name);
! goto theend;
! }
! lvar = &arg_lvar;
}
}
if (lvar != NULL)
{
*** ../vim-8.2.0734/src/version.c 2020-05-10 23:11:49.606819444 +0200
--- src/version.c 2020-05-10 23:19:45.161317125 +0200
***************
*** 748,749 ****
--- 748,751 ----
{ /* Add new patch number below this line */
+ /**/
+ 735,
/**/

--
From "know your smileys":
!-| I-am-a-Cylon-Centurian-with-one-red-eye-bouncing-back-and-forth

/// Bram Moolenaar -- Br...@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 ///
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