patch 9.0.0085: ":write" fails after ":file name" and the ":edit"

Problem:    ":write" fails after ":file name" and the ":edit".
Solution:   Reset BF_NOTEDITED when using ":edit". (closes #10790)
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 5253863..6e5e09f 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -2973,6 +2973,11 @@
     // Assume success now
     retval = OK;
 
+    // If the file name was changed, reset the not-edit flag so that ":write"
+    // works.
+    if (!other_file)
+	curbuf->b_flags &= ~BF_NOTEDITED;
+
     /*
      * Check if we are editing the w_arg_idx file in the argument list.
      */
diff --git a/src/testdir/test_excmd.vim b/src/testdir/test_excmd.vim
index f55e6a5..7b270ff 100644
--- a/src/testdir/test_excmd.vim
+++ b/src/testdir/test_excmd.vim
@@ -725,5 +725,21 @@
   bwipe!
 endfunc
 
+" Test :write after changing name with :file and loading it with :edit
+func Test_write_after_rename()
+  call writefile(['text'], 'Xfile')
+
+  enew
+  file Xfile
+  call assert_fails('write', 'E13: File exists (add ! to override)')
+
+  " works OK after ":edit"
+  edit
+  write
+
+  call delete('Xfile')
+  bwipe!
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/version.c b/src/version.c
index 03b65d2..a0caf3e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    85,
+/**/
     84,
 /**/
     83,