vim-patch:83799a7b7

patch 8.0.1339: no test for what 8.0.1335 fixes

Problem:    No test for what 8.0.1335 fixes.
Solution:   Add a test. (Yasuhiro Matsumoto, closes vim/vim#2373)
83799a7b74

src/nvim/testdir/test_writefile.vim

@@ -155,3 +155,11 @@ func Test_writefile_autowrite_nowrite()
   bwipe!
   set noautowrite
 endfunc
+
+func Test_writefile_sync_dev_stdout()
+  if !has('unix')
+    return
+  endif
+  " Just check that this doesn't cause an error.
+  call writefile(['one'], '/dev/stdout')
+endfunc