patch 9.0.1354: "gr CTRL-G" stays in virtual replace mode

Problem:    "gr CTRL-G" stays in virtual replace mode. (Pierre Ganty)
Solution:   Prepend CTRL-V before control characters. (closes #12045)
diff --git a/src/edit.c b/src/edit.c
index a030e53..ff9fc0e 100644
--- a/src/edit.c
+++ b/src/edit.c
@@ -3527,6 +3527,10 @@
 		  dont_sync_undo = MAYBE;
 		  break;
 
+	case ESC:
+		  // Esc after CTRL-G cancels it.
+		  break;
+
 	// Unknown CTRL-G command, reserved for future expansion.
 	default:  vim_beep(BO_CTRLG);
     }
diff --git a/src/normal.c b/src/normal.c
index b3ea5e8..95bb1a9 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -5033,6 +5033,10 @@
     {
 	if (cap->extra_char == Ctrl_V)	// get another character
 	    cap->extra_char = get_literal(FALSE);
+	if (cap->extra_char < ' ')
+	    // Prefix a control character with CTRL-V to avoid it being used as
+	    // a command.
+	    stuffcharReadbuff(Ctrl_V);
 	stuffcharReadbuff(cap->extra_char);
 	stuffcharReadbuff(ESC);
 	if (virtual_active())
diff --git a/src/testdir/test_edit.vim b/src/testdir/test_edit.vim
index 1b00ae9..f0896d2 100644
--- a/src/testdir/test_edit.vim
+++ b/src/testdir/test_edit.vim
@@ -2068,8 +2068,12 @@
 func Test_edit_gr_special()
   enew
   call setline(1, ['abcdef', 'xxxxxx'])
-  exe "normal! gr\<C-O>x"
-  call assert_equal('bcdef', getline(1))
+  exe "normal! gr\<C-O>lx"
+  call assert_equal("\<C-O>def", getline(1))
+
+  call setline(1, 'abcdef')
+  exe "normal! 0gr\<C-G>lx"
+  call assert_equal("\<C-G>def", getline(1))
 
   bwipe!
 endfunc
diff --git a/src/version.c b/src/version.c
index c3631e6..315f91e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -696,6 +696,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1354,
+/**/
     1353,
 /**/
     1352,