# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1623791702 -7200
# Node ID 0c415a0f54f90852188357254ec2ceff8cd9dd55
# Parent  257de87388c35d87d964d4befeec1accc77da9ee
patch 8.2.3007: Vim9: test for void value fails

Commit: https://github.com/vim/vim/commit/61a417b7c1fe858d778c7c47f33f7b4dac19360d
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Jun 15 22:54:28 2021 +0200

    patch 8.2.3007: Vim9: test for void value fails

    Problem:    Vim9: test for void value fails.
    Solution:   Adjust expected error.  Do not make a copy of void.

diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -86,13 +86,13 @@ func Test_empty()
 endfunc
 
 func Test_test_void()
-  call assert_fails('echo 1 == test_void()', 'E685:')
+  call assert_fails('echo 1 == test_void()', 'E1031:')
   if has('float')
-    call assert_fails('echo 1.0 == test_void()', 'E685:')
+    call assert_fails('echo 1.0 == test_void()', 'E1031:')
   endif
   call assert_fails('let x = json_encode(test_void())', 'E685:')
   call assert_fails('let x = copy(test_void())', 'E685:')
-  call assert_fails('let x = copy([test_void()])', 'E685:')
+  call assert_fails('let x = copy([test_void()])', 'E1031:')
 endfunc
 
 func Test_len()
diff --git a/src/typval.c b/src/typval.c
--- a/src/typval.c
+++ b/src/typval.c
@@ -591,7 +591,6 @@ copy_tv(typval_T *from, typval_T *to)
 	case VAR_NUMBER:
 	case VAR_BOOL:
 	case VAR_SPECIAL:
-	case VAR_VOID:
 	    to->vval.v_number = from->vval.v_number;
 	    break;
 	case VAR_FLOAT:
@@ -664,6 +663,9 @@ copy_tv(typval_T *from, typval_T *to)
 		++to->vval.v_dict->dv_refcount;
 	    }
 	    break;
+	case VAR_VOID:
+	    emsg(_(e_cannot_use_void_value));
+	    break;
 	case VAR_UNKNOWN:
 	case VAR_ANY:
 	    internal_error_no_abort("copy_tv(UNKNOWN)");
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3007,
+/**/
     3006,
 /**/
     3005,