ReleaseNotes: known issue: PR40547
llvm-svn: 371964
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index f7a99bd4..75146ec 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -21,6 +21,15 @@
them.
+Known Issues
+============
+
+These are issues that couldn't be fixed before the release. See the bug reports
+for the latest status.
+
+* `PR40547 <https://llvm.org/pr40547>`_ Clang gets miscompiled by GCC 9.
+
+
Non-comprehensive list of changes in this release
=================================================
