patch 8.2.3455: using a count with "gp" leaves '] in wrong position

Problem:    Using a count with "gp" leaves '] in wrong position. (Naohiro Ono)
Solution:   Correct the mark position. (closes #8899)
diff --git a/src/register.c b/src/register.c
index 3ddacb8..f034c64 100644
--- a/src/register.c
+++ b/src/register.c
@@ -2205,6 +2205,9 @@
 		{
 		    curwin->w_cursor.lnum = new_lnum;
 		    curwin->w_cursor.col = col;
+		    curbuf->b_op_end = curwin->w_cursor;
+		    if (col > 1)
+			curbuf->b_op_end.col = col - 1;
 		}
 	    }
 	    else if (y_type == MLINE)
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index f034336..f3a320f 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -126,8 +126,10 @@
   new
   call setline(1, '<---->')
   call setreg('@', "foo\nbar", 'c')
-  exe "normal 1G3|3gpix\<Esc>"
-  call assert_equal(['<--foo', 'barfoo', 'barfoo', 'barx-->'], getline(1, '$'))
+  normal 1G3|3gp
+  call assert_equal([0, 4, 4, 0], getpos("."))
+  call assert_equal(['<--foo', 'barfoo', 'barfoo', 'bar-->'], getline(1, '$'))
+  call assert_equal([0, 4, 3, 0], getpos("']"))
 
   bwipe!
 endfunc
diff --git a/src/version.c b/src/version.c
index fb36b14..6865fa5 100644
--- a/src/version.c
+++ b/src/version.c
@@ -758,6 +758,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3455,
+/**/
     3454,
 /**/
     3453,