Patch 8.2.2705
Problem:    Vim9: misleading reported line number for wrong type.
Solution:   Remember and use the line number at the start. (closes #8059)
Files:      src/vim9compile.c, src/testdir/test_vim9_assign.vim


*** ../vim-8.2.2704/src/vim9compile.c   2021-04-01 21:38:46.753298941 +0200
--- src/vim9compile.c   2021-04-03 20:57:18.436618058 +0200
***************
*** 6166,6171 ****
--- 6166,6172 ----
      char_u    *sp;
      int               is_decl = is_decl_command(cmdidx);
      lhs_T     lhs;
+     long      start_lnum = SOURCING_LNUM;
  
      // Skip over the "var" or "[var, var]" to get to any "=".
      p = skip_var_list(arg, TRUE, &var_count, &semicolon, TRUE);
***************
*** 6393,6399 ****
                    {
                        type_T *use_type = lhs.lhs_lvar->lv_type;
  
!                       // without operator check type here, otherwise below
                        if (lhs.lhs_has_index)
                            use_type = lhs.lhs_member_type;
                        if (need_type(rhs_type, use_type, -1, 0, cctx,
--- 6394,6402 ----
                    {
                        type_T *use_type = lhs.lhs_lvar->lv_type;
  
!                       // Without operator check type here, otherwise below.
!                       // Use the line number of the assignment.
!                       SOURCING_LNUM = start_lnum;
                        if (lhs.lhs_has_index)
                            use_type = lhs.lhs_member_type;
                        if (need_type(rhs_type, use_type, -1, 0, cctx,
*** ../vim-8.2.2704/src/testdir/test_vim9_assign.vim    2021-04-03 
19:32:40.750286283 +0200
--- src/testdir/test_vim9_assign.vim    2021-04-03 20:56:59.008653929 +0200
***************
*** 315,320 ****
--- 315,328 ----
    assert_equal(34, n2)
  
    CheckDefFailure(["var x = #"], 'E1097:', 3)
+ 
+   var lines =<< trim END
+       var x: list<string> = ['a']
+       var y: list<number> = x
+           ->copy()
+           ->copy()
+   END
+   CheckDefFailure(lines, 'E1012:', 2)
  enddef
  
  def Test_assign_index()
*** ../vim-8.2.2704/src/version.c       2021-04-03 20:13:25.594782463 +0200
--- src/version.c       2021-04-03 20:55:11.348843204 +0200
***************
*** 752,753 ****
--- 752,755 ----
  {   /* Add new patch number below this line */
+ /**/
+     2705,
  /**/

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