Note that EH is now supported in MCJIT.

llvm-svn: 181305
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 5c8ff2c..06918d4 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -70,6 +70,9 @@
   examples of the new syntax. The old syntax using register classes still
   works, but it will be removed in a future LLVM release.
 
+* MCJIT now supports exception handling. Support for it in the old jit will be
+  removed in the 3.4 release.
+
 * ... next change ...
 
 .. NOTE