commit 2a585c85013be22f59f184d49612074fd9b115d7
author Bram Moolenaar <Bram@vim.org> Wed May 25 15:15:38 2022 +0100
committer Bram Moolenaar <Bram@vim.org> Wed May 25 15:15:38 2022 +0100
tree 22b78f9671824007f332a1451d76bbd9b8440ee3
parent bf82df0dd48a26404b92a596498b6892c9572c53

patch 8.2.5016: access before start of text with a put command

Problem:    Access before start of text with a put command.
Solution:   Check the length is more than zero.

src/testdir/test_put.vim

diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index 0fde026..aa5aa2b 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -210,5 +210,14 @@
   bwipe!
 endfunc
 
+" this was putting a mark before the start of a line
+func Test_put_empty_register()
+  new
+  norm yy
+  norm [Pi00ggv)s0
+  sil! norm [P
+  bwipe!
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab