Patch 8.2.0642
Problem:    Vim9: using invalid index.
Solution:   Check index for being valid.  Fix memory leak.
Files:      src/vim9compile.c, src/clientserver.c


*** ../vim-8.2.0641/src/vim9compile.c   2020-04-26 13:50:38.432096840 +0200
--- src/vim9compile.c   2020-04-26 14:25:00.255408835 +0200
***************
*** 5822,5833 ****
  compile_exec(char_u *line, exarg_T *eap, cctx_T *cctx)
  {
      char_u  *p;
!     int           has_expr;
  
      if (cctx->ctx_skip == TRUE)
        goto theend;
  
!     has_expr = (excmd_get_argt(eap->cmdidx) & (EX_XFILE | EX_EXPAND));
      if (eap->cmdidx == CMD_syntax && STRNCMP(eap->arg, "include ", 8) == 0)
      {
        // expand filename in "syntax include [@group] filename"
--- 5822,5834 ----
  compile_exec(char_u *line, exarg_T *eap, cctx_T *cctx)
  {
      char_u  *p;
!     int           has_expr = FALSE;
  
      if (cctx->ctx_skip == TRUE)
        goto theend;
  
!     if (eap->cmdidx >= 0 && eap->cmdidx < CMD_SIZE)
!       has_expr = (excmd_get_argt(eap->cmdidx) & (EX_XFILE | EX_EXPAND));
      if (eap->cmdidx == CMD_syntax && STRNCMP(eap->arg, "include ", 8) == 0)
      {
        // expand filename in "syntax include [@group] filename"
*** ../vim-8.2.0641/src/clientserver.c  2020-04-05 20:20:40.100596581 +0200
--- src/clientserver.c  2020-04-26 14:28:46.191081973 +0200
***************
*** 473,478 ****
--- 473,479 ----
  # ifdef FEAT_GUI_MSWIN
                Shell_NotifyIcon(NIM_DELETE, &ni);
  # endif
+               vim_free(done);
            }
        }
        else if (STRICMP(argv[i], "--remote-expr") == 0)
*** ../vim-8.2.0641/src/version.c       2020-04-26 13:50:38.436096831 +0200
--- src/version.c       2020-04-26 14:29:06.199049252 +0200
***************
*** 748,749 ****
--- 748,751 ----
  {   /* Add new patch number below this line */
+ /**/
+     642,
  /**/

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