patch 8.2.1590: Vim9: bufnr() doesn't take "true" argument
Problem: Vim9: bufnr() doesn't take "true" argument.
Solution: use tv_get_bool_chk(). (closes #6863)
diff --git a/src/testdir/test_vim9_func.vim b/src/testdir/test_vim9_func.vim
index f79c2e0..ad3268a 100644
--- a/src/testdir/test_vim9_func.vim
+++ b/src/testdir/test_vim9_func.vim
@@ -1327,6 +1327,10 @@
def Test_bufnr()
let buf = bufnr()
assert_equal(buf, bufnr('%'))
+
+ buf = bufnr('Xdummy', true)
+ assert_notequal(-1, buf)
+ exe 'bwipe! ' .. buf
enddef
def Test_col()