Patch 8.2.0494
Problem:    Vim9: asan error.
Solution:   Only get the type when there is one.
Files:      src/vim9compile.c


*** ../vim-8.2.0493/src/vim9compile.c   2020-04-01 22:10:56.428201257 +0200
--- src/vim9compile.c   2020-04-01 22:33:04.778968343 +0200
***************
*** 3767,3773 ****
            goto theend;
  
        stack = &cctx->ctx_type_stack;
!       stacktype = ((type_T **)stack->ga_data)[stack->ga_len - 1];
        if (idx >= 0 && (is_decl || !has_type))
        {
            lvar = ((lvar_T *)cctx->ctx_locals.ga_data) + idx;
--- 3767,3774 ----
            goto theend;
  
        stack = &cctx->ctx_type_stack;
!       stacktype = stack->ga_len == 0 ? &t_void
!                             : ((type_T **)stack->ga_data)[stack->ga_len - 1];
        if (idx >= 0 && (is_decl || !has_type))
        {
            lvar = ((lvar_T *)cctx->ctx_locals.ga_data) + idx;
*** ../vim-8.2.0493/src/version.c       2020-04-01 22:10:56.436201223 +0200
--- src/version.c       2020-04-01 22:33:46.082809832 +0200
***************
*** 740,741 ****
--- 740,743 ----
  {   /* Add new patch number below this line */
+ /**/
+     494,
  /**/

-- 
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 /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net   \\\
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