patch 8.0.0622: selecting quoted text fails with 'selection' "exclusive"

Problem:    Using a text object to select quoted text fails when 'selection'
            is set to "exclusive". (Guraga)
Solution:   Swap cursor and visual start position. (Christian Brabandt,
            closes #1687)

Author: brammool

src/search.c

@@ -4364,16 +4364,27 @@ current_quote(
     int		selected_quote = FALSE;	/* Has quote inside selection */
     int		i;
 
-    /* Correct cursor when 'selection' is exclusive */
+    /* Correct cursor when 'selection' is "exclusive". */
     if (VIsual_active)
     {
 	/* this only works within one line */
 	if (VIsual.lnum != curwin->w_cursor.lnum)
 	    return FALSE;
 
 	vis_bef_curs = LT_POS(VIsual, curwin->w_cursor);
-	if (*p_sel == 'e' && vis_bef_curs)
+	if (*p_sel == 'e')
+	{
+	    if (!vis_bef_curs)
+	    {
+		/* VIsual needs to be start of Visual selection. */
+		pos_T t = curwin->w_cursor;
+
+		curwin->w_cursor = VIsual;
+		VIsual = t;
+		vis_bef_curs = TRUE;
+	    }
 	    dec_cursor();
+	}
 	vis_empty = EQUAL_POS(VIsual, curwin->w_cursor);
     }
 

src/testdir/test_textobjects.vim

@@ -5,7 +5,7 @@ if !has('textobjects')
 endif
 
 set belloff=all
-function! CpoM(line, useM, expected)
+func CpoM(line, useM, expected)
   new
 
   if a:useM
@@ -29,16 +29,26 @@ function! CpoM(line, useM, expected)
   call assert_equal(getreg('"'), a:expected[2])
 
   q!
-endfunction
+endfunc
 
-function! Test_inner_block_without_cpo_M()
+func Test_inner_block_without_cpo_M()
   call CpoM('(red \(blue) green)', 0, ['red \(blue', 'red \(blue', ''])
-endfunction
+endfunc
 
-function! Test_inner_block_with_cpo_M_left_backslash()
+func Test_inner_block_with_cpo_M_left_backslash()
   call CpoM('(red \(blue) green)', 1, ['red \(blue) green', 'blue', 'red \(blue) green'])
-endfunction
+endfunc
 
-function! Test_inner_block_with_cpo_M_right_backslash()
+func Test_inner_block_with_cpo_M_right_backslash()
   call CpoM('(red (blue\) green)', 1, ['red (blue\) green', 'blue\', 'red (blue\) green'])
-endfunction
+endfunc
+
+func Test_quote_selection_selection_exclusive()
+  new
+  call setline(1, "a 'bcde' f")
+  set selection=exclusive
+  exe "norm! fdvhi'y"
+  call assert_equal('bcde', @")
+  set selection&vim
+  bw!
+endfunc

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    622,
 /**/
     621,
 /**/