Update OpenMP support page and clang release notes.

Author: ddpagan

clang/docs/OpenMPSupport.rst

@@ -443,7 +443,8 @@ implementation.
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Traits for default device envirable                         | :none:`unclaimed`         | :none:`unclaimed`         |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
-| Optionally omit array length expression                     | :good:`done`              | :none:`unclaimed`         | https://github.com/llvm/llvm-project/pull/148048                         |
+| Optionally omit array length expression                     | :good:`done`              | :none:`unclaimed`         | (Parse) https://github.com/llvm/llvm-project/pull/148048,                |
+|                                                             |                           |                           | (Sema) https://github.com/llvm/llvm-project/pull/152786                  |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+
 | Canonical loop sequences                                    | :none:`unclaimed`         | :part:`In Progress`       |                                                                          |
 +-------------------------------------------------------------+---------------------------+---------------------------+--------------------------------------------------------------------------+

clang/docs/ReleaseNotes.rst

@@ -465,6 +465,7 @@ OpenMP Support
   modifier in the ``adjust_args`` clause.
 - Allow array length to be omitted in array section subscript expression.
 - Fixed non-contiguous strided update in the ``omp target update`` directive with the ``from`` clause.
+- Properly handle array section/assumed-size array privatization in C/C++.
 
 Improvements
 ^^^^^^^^^^^^