# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1599077703 -7200
# Node ID 0794909e2988cb71cbc2595cf2a21583bd9bbf62
# Parent  ca8884cbf94bf6ea20fbfe0fea6c09fc8b1ac58e
patch 8.2.1576: Vim9: index() does not take "true" as argument

Commit: https://github.com/vim/vim/commit/6c553f9c04a698ac2e19584f8ea8e2cb7cd98c80
Author: Bram Moolenaar <Bram@vim.org>
Date:   Wed Sep 2 22:10:34 2020 +0200

    patch 8.2.1576: Vim9: index() does not take "true" as argument

    Problem:    Vim9: index() does not take "true" as argument.
    Solution:   Use tv_get_bool_chk(). (closes https://github.com/vim/vim/issues/6823)

diff --git a/src/evalfunc.c b/src/evalfunc.c
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -4944,7 +4944,7 @@ f_index(typval_T *argvars, typval_T *ret
 	    item = list_find(l, (long)tv_get_number_chk(&argvars[2], &error));
 	    idx = l->lv_u.mat.lv_idx;
 	    if (argvars[3].v_type != VAR_UNKNOWN)
-		ic = (int)tv_get_number_chk(&argvars[3], &error);
+		ic = (int)tv_get_bool_chk(&argvars[3], &error);
 	    if (error)
 		item = NULL;
 	}
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1497,6 +1497,10 @@ def Test_count()
   assert_equal(0, count('ABC ABC ABC', 'b', false))
 enddef
 
+def Test_index()
+  assert_equal(3, index(['a', 'b', 'a', 'B'], 'b', 2, true))
+enddef
+
 def Test_expand()
   split SomeFile
   assert_equal(['SomeFile'], expand('%', true, true))
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1576,
+/**/
     1575,
 /**/
     1574,