Bump the trunk major version to 12

and clear the release notes.

GitOrigin-RevId: 7ab7b979d29e1e43701cf690f5cf1903740f50e3
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index e7771d4..60e1c59 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -1,5 +1,5 @@
 =======================================
-PSTL 11.0.0 (In-Progress) Release Notes
+PSTL 12.0.0 (In-Progress) Release Notes
 =======================================
 
 .. contents::
@@ -10,7 +10,7 @@
 
 .. warning::
 
-   These are in-progress notes for the upcoming pstl 11 release.
+   These are in-progress notes for the upcoming pstl 12 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 PSTL parallel algorithms
-library, part of the LLVM Compiler Infrastructure, release 11.0.0. Here we
+library, part of the LLVM Compiler Infrastructure, release 12.0.0. Here we
 describe the status of the library 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>`_.
@@ -30,7 +30,7 @@
 To see the release notes for a specific release, please see the `releases
 page <https://llvm.org/releases/>`_.
 
-What's New in PSTL 11.0.0?
+What's New in PSTL 12.0.0?
 ==========================
 
 New Features
diff --git a/include/pstl/internal/pstl_config.h b/include/pstl/internal/pstl_config.h
index 4f9df12..7137a37 100644
--- a/include/pstl/internal/pstl_config.h
+++ b/include/pstl/internal/pstl_config.h
@@ -13,7 +13,7 @@
 #include <__pstl_config_site>
 
 // The version is XYYZ, where X is major, YY is minor, and Z is patch (i.e. X.YY.Z)
-#define _PSTL_VERSION 11000
+#define _PSTL_VERSION 12000
 #define _PSTL_VERSION_MAJOR (_PSTL_VERSION / 1000)
 #define _PSTL_VERSION_MINOR ((_PSTL_VERSION % 1000) / 10)
 #define _PSTL_VERSION_PATCH (_PSTL_VERSION % 10)
diff --git a/test/pstl/version.pass.cpp b/test/pstl/version.pass.cpp
index c47ef14..92d06cb 100644
--- a/test/pstl/version.pass.cpp
+++ b/test/pstl/version.pass.cpp
@@ -8,8 +8,8 @@
 
 #include <pstl/internal/pstl_config.h>
 
-static_assert(_PSTL_VERSION == 11000);
-static_assert(_PSTL_VERSION_MAJOR == 11);
+static_assert(_PSTL_VERSION == 12000);
+static_assert(_PSTL_VERSION_MAJOR == 12);
 static_assert(_PSTL_VERSION_MINOR == 00);
 static_assert(_PSTL_VERSION_PATCH == 0);