ReleaseNotes: mention improved codeview quality

zmodem · zmodem · commit d952162cf653 · 2018-01-24T15:24:14.000Z
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@323332 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
@@ -54,6 +54,8 @@ Non-comprehensive list of changes in this release
   ``DIVariables`` to the instructions in a ``Module``. The ``CheckDebugify``
   pass determines how much of the metadata is lost.
 
+* Significantly improved quality of CodeView debug info for Windows.
+
 * Note..
 
 .. NOTE
