ReleaseNotes: update links to use https

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@341786 91177308-0d34-0410-b5e6-96231b3b80d8

docs/ReleaseNotes.rst

@@ -6,13 +6,13 @@ Clang 8.0.0 (In-Progress) Release Notes
    :local:
    :depth: 2
 
-Written by the `LLVM Team <http://llvm.org/>`_
+Written by the `LLVM Team <https://llvm.org/>`_
 
 .. warning::
 
    These are in-progress notes for the upcoming Clang 8 release.
    Release notes for previous releases can be found on
-   `the Download Page <http://releases.llvm.org/download.html>`_.
+   `the Download Page <https://releases.llvm.org/download.html>`_.
 
 Introduction
 ============
@@ -22,18 +22,18 @@ frontend, part of the LLVM Compiler Infrastructure, release 8.0.0. Here we
 describe the status of Clang in some detail, including major
 improvements from the previous release and new feature work. For the
 general LLVM release notes, see `the LLVM
-documentation <http://llvm.org/docs/ReleaseNotes.html>`_. All LLVM
+documentation <https://llvm.org/docs/ReleaseNotes.html>`_. All LLVM
 releases may be downloaded from the `LLVM releases web
-site <http://llvm.org/releases/>`_.
+site <https://llvm.org/releases/>`_.
 
 For more information about Clang or LLVM, including information about the
-latest release, please see the `Clang Web Site <http://clang.llvm.org>`_ or the
-`LLVM Web Site <http://llvm.org>`_.
+latest release, please see the `Clang Web Site <https://clang.llvm.org>`_ or the
+`LLVM Web Site <https://llvm.org>`_.
 
 Note that if you are reading this file from a Subversion checkout or the
 main Clang web page, this document applies to the *next* release, not
 the current one. To see the release notes for a specific release, please
-see the `releases page <http://llvm.org/releases/>`_.
+see the `releases page <https://llvm.org/releases/>`_.
 
 What's New in Clang 8.0.0?
 ==========================
@@ -193,7 +193,7 @@ Additional Information
 ======================
 
 A wide variety of additional information is available on the `Clang web
-page <http://clang.llvm.org/>`_. The web page contains versions of the
+page <https://clang.llvm.org/>`_. The web page contains versions of the
 API documentation which are up-to-date with the Subversion version of
 the source code. You can access versions of these documents specific to
 this release by going into the "``clang/docs/``" directory in the Clang
@@ -201,4 +201,4 @@ tree.
 
 If you have any questions or comments about Clang, please feel free to
 contact us via the `mailing
-list <http://lists.llvm.org/mailman/listinfo/cfe-dev>`_.
+list <https://lists.llvm.org/mailman/listinfo/cfe-dev>`_.