patch 8.2.1915: Vim9: error for wrong number of arguments is not useful

Problem:    Vim9: error for wrong number of arguments is not useful.
Solution:   Mention whatever we have for the name. (closes #7208)

src/testdir/test_vim9_func.vim

@@ -322,6 +322,8 @@ def Test_call_wrong_args()
   CheckDefFailure(['bufnr(xxx)'], 'E1001:')
   CheckScriptFailure(['def Func(Ref: func(s: string))'], 'E475:')
 
+  CheckDefFailure(['echo {i -> 0}()'], 'E119: Not enough arguments for function: {i -> 0}()')
+
   var lines =<< trim END
     vim9script
     def Func(s: string)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1915,
 /**/
     1914,
 /**/

src/vim9compile.c

@@ -1687,12 +1687,12 @@ generate_PCALL(
 
 	    if (argcount < type->tt_min_argcount - varargs)
 	    {
-		semsg(_(e_toofewarg), "[reference]");
+		semsg(_(e_toofewarg), name);
 		return FAIL;
 	    }
 	    if (!varargs && argcount > type->tt_argcount)
 	    {
-		semsg(_(e_toomanyarg), "[reference]");
+		semsg(_(e_toomanyarg), name);
 		return FAIL;
 	    }
 	}