Add notes about some buggy passes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16339 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index b4083c0..cef2900 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -252,7 +252,7 @@
 benchmarks. The file <tt>llvm/lib/Target/PowerPC/README.txt</tt> has
 details.</li>
 <li>The following passes are incomplete or buggy: <tt>-pgmdep, -memdep,
-    -ipmodref, -cee</tt></li>
+    -ipmodref, -cee, -branch-combine, -instloops, -paths</tt></li>
 <li>The <tt>-pre</tt> pass is incomplete (there are cases it doesn't handle that
     it should) and not thoroughly tested.</li>
 <li>The <tt>llvm-ar</tt> tool is incomplete and probably buggy.</li>