| =========================================== |
| Clang |release| |ReleaseNotesTitle| |
| =========================================== |
| |
| .. contents:: |
| :local: |
| :depth: 2 |
| |
| Written by the `LLVM Team <https://llvm.org/>`_ |
| |
| .. only:: PreRelease |
| |
| .. warning:: |
| These are in-progress notes for the upcoming Clang |version| release. |
| Release notes for previous releases can be found on |
| `the Download Page <https://releases.llvm.org/download.html>`_. |
| |
| Introduction |
| ============ |
| |
| This document contains the release notes for the Clang C/C++/Objective-C |
| frontend, part of the LLVM Compiler Infrastructure, release |release|. 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 <https://llvm.org/docs/ReleaseNotes.html>`_. All LLVM |
| releases may be downloaded from the `LLVM releases web |
| site <https://llvm.org/releases/>`_. |
| |
| For more information about Clang or LLVM, including information about the |
| 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 Git 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 <https://llvm.org/releases/>`_. |
| |
| Potentially Breaking Changes |
| ============================ |
| These changes are ones which we think may surprise users when upgrading to |
| Clang |release| because of the opportunity they pose for disruption to existing |
| code bases. |
| |
| What's New in Clang |release|? |
| ============================== |
| Some of the major new features and improvements to Clang are listed |
| here. Generic improvements to Clang as a whole or to its underlying |
| infrastructure are described first, followed by language-specific |
| sections with improvements to Clang's support for those languages. |
| |
| Major New Features |
| ------------------ |
| |
| Bug Fixes |
| --------- |
| |
| Improvements to Clang's diagnostics |
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| |
| Non-comprehensive list of changes in this release |
| ------------------------------------------------- |
| |
| New Compiler Flags |
| ------------------ |
| |
| Deprecated Compiler Flags |
| ------------------------- |
| |
| Modified Compiler Flags |
| ----------------------- |
| |
| Removed Compiler Flags |
| ------------------------- |
| |
| New Pragmas in Clang |
| -------------------- |
| - ... |
| |
| Attribute Changes in Clang |
| -------------------------- |
| |
| Windows Support |
| --------------- |
| |
| AIX Support |
| ----------- |
| |
| C Language Changes in Clang |
| --------------------------- |
| |
| C2x Feature Support |
| ------------------- |
| |
| C++ Language Changes in Clang |
| ----------------------------- |
| |
| C++20 Feature Support |
| ^^^^^^^^^^^^^^^^^^^^^ |
| |
| C++2b Feature Support |
| ^^^^^^^^^^^^^^^^^^^^^ |
| |
| CUDA/HIP Language Changes in Clang |
| ---------------------------------- |
| |
| Objective-C Language Changes in Clang |
| ------------------------------------- |
| |
| OpenCL C Language Changes in Clang |
| ---------------------------------- |
| |
| ... |
| |
| ABI Changes in Clang |
| -------------------- |
| |
| OpenMP Support in Clang |
| ----------------------- |
| |
| ... |
| |
| CUDA Support in Clang |
| --------------------- |
| |
| LoongArch Support in Clang |
| -------------------------- |
| |
| RISC-V Support in Clang |
| ----------------------- |
| |
| X86 Support in Clang |
| -------------------- |
| |
| WebAssembly Support in Clang |
| ---------------------------- |
| |
| DWARF Support in Clang |
| ---------------------- |
| |
| Arm and AArch64 Support in Clang |
| -------------------------------- |
| |
| Floating Point Support in Clang |
| ------------------------------- |
| |
| Internal API Changes |
| -------------------- |
| |
| Build System Changes |
| -------------------- |
| |
| AST Matchers |
| ------------ |
| |
| clang-format |
| ------------ |
| |
| clang-extdef-mapping |
| -------------------- |
| |
| libclang |
| -------- |
| |
| Static Analyzer |
| --------------- |
| |
| .. _release-notes-sanitizers: |
| |
| Sanitizers |
| ---------- |
| |
| Core Analysis Improvements |
| ========================== |
| |
| - ... |
| |
| New Issues Found |
| ================ |
| |
| - ... |
| |
| Python Binding Changes |
| ---------------------- |
| |
| The following methods have been added: |
| |
| - ... |
| |
| Significant Known Problems |
| ========================== |
| |
| Additional Information |
| ====================== |
| |
| A wide variety of additional information is available on the `Clang web |
| page <https://clang.llvm.org/>`_. The web page contains versions of the |
| API documentation which are up-to-date with the Git 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 |
| tree. |
| |
| If you have any questions or comments about Clang, please feel free to |
| contact us on the Discourse forums (Clang Frontend category) |
| <https://discourse.llvm.org/c/clang/6>`_. |
