Bump the trunk major version to 11

and clear the release notes.

Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 5852475e2c049ce29dcb1f0da3ac33035f8c9156
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index f1dd6f9..dfc0538 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -1,5 +1,5 @@
 =========================================
-Libc++ 10.0.0 (In-Progress) Release Notes
+Libc++ 11.0.0 (In-Progress) Release Notes
 =========================================
 
 .. contents::
@@ -10,7 +10,7 @@
 
 .. warning::
 
-   These are in-progress notes for the upcoming libc++ 10 release.
+   These are in-progress notes for the upcoming libc++ 11 release.
    Release notes for previous releases can be found on
    `the Download Page <https://releases.llvm.org/download.html>`_.
 
@@ -18,7 +18,7 @@
 ============
 
 This document contains the release notes for the libc++ C++ Standard Library,
-part of the LLVM Compiler Infrastructure, release 10.0.0. Here we describe the
+part of the LLVM Compiler Infrastructure, release 11.0.0. Here we describe the
 status of libc++ in some detail, including major improvements from the previous
 release and new feature work. For the general LLVM release notes, see `the LLVM
 documentation <https://llvm.org/docs/ReleaseNotes.html>`_. All LLVM releases may
@@ -27,12 +27,12 @@
 For more information about libc++, please see the `Libc++ Web Site
 <https://libcxx.llvm.org>`_ or the `LLVM Web Site <https://llvm.org>`_.
 
-Note that if you are reading this file from a Subversion checkout or the
+Note that if you are reading this file from a Git checkout or the
 main Libc++ 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 <https://llvm.org/releases/>`_.
 
-What's New in Libc++ 10.0.0?
+What's New in Libc++ 11.0.0?
 ============================
 
 New Features
diff --git a/docs/conf.py b/docs/conf.py
index 414f1bc..00000ee 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,9 +47,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '10.0'
+version = '11.0'
 # The full version, including alpha/beta/rc tags.
-release = '10.0'
+release = '11.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.