patch 8.2.3532: the previous '' mark is restored after moving the cursor

Problem:    The previous '' mark is restored after moving the cursor to the
            original jump position. (Tony Chen)
Solution:   Forget the previous position after checking. (closes #8985)

src/mark.c

@@ -181,10 +181,8 @@ checkpcmark(void)
     if (curwin->w_prev_pcmark.lnum != 0
 	    && (EQUAL_POS(curwin->w_pcmark, curwin->w_cursor)
 		|| curwin->w_pcmark.lnum == 0))
-    {
 	curwin->w_pcmark = curwin->w_prev_pcmark;
-	curwin->w_prev_pcmark.lnum = 0;		// Show it has been checked
+    curwin->w_prev_pcmark.lnum = 0;		// it has been checked
-    }
 }
 
 #if defined(FEAT_JUMPLIST) || defined(PROTO)

src/testdir/test_marks.vim

@@ -26,6 +26,16 @@ func Test_Incr_Marks()
   enew!
 endfunc
 
+func Test_previous_jump_mark()
+  new
+  call setline(1, ['']->repeat(6))
+  normal Ggg
+  call assert_equal(6, getpos("''")[1])
+  normal jjjjj
+  call assert_equal(6, getpos("''")[1])
+  bwipe!
+endfunc
+
 func Test_setpos()
   new Xone
   let onebuf = bufnr('%')

src/version.c

@@ -757,6 +757,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3532,
 /**/
     3531,
 /**/