[patch] Add a few release notes to the 3.6 branc

[Rafael Espíndola]

The attached patch adds two items to the release notes.

Cheers,
Rafael
-------------- next part --------------
A non-text attachment was scrubbed...
Name: t.patch
Type: application/octet-stream
Size: 552 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20150121/3e6f9fbd/attachment.obj>