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===================================================
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Extra Clang Tools 9.0.0 (In-Progress) Release Notes
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===================================================
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.. contents::
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:local:
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:depth: 3
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Written by the `LLVM Team <https://llvm.org/>`_
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.. warning::
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These are in-progress notes for the upcoming Extra Clang Tools 9 release.
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Release notes for previous releases can be found on
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`the Download Page <https://releases.llvm.org/download.html>`_.
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Introduction
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============
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This document contains the release notes for the Extra Clang Tools, part of the
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Clang release 9.0.0. Here we describe the status of the Extra Clang Tools in
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some detail, including major improvements from the previous release and new
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feature work. All LLVM releases may be downloaded from the `LLVM releases web
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site <https://llvm.org/releases/>`_.
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For more information about Clang or LLVM, including information about
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the latest release, please see the `Clang Web Site <https://clang.llvm.org>`_ or
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the `LLVM Web Site <https://llvm.org>`_.
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Note that if you are reading this file from a Subversion checkout or the
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main Clang web page, this document applies to the *next* release, not
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the current one. To see the release notes for a specific release, please
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see the `releases page <https://llvm.org/releases/>`_.
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What's New in Extra Clang Tools 9.0.0?
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======================================
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Some of the major new features and improvements to Extra Clang Tools are listed
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here. Generic improvements to Extra Clang Tools as a whole or to its underlying
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infrastructure are described first, followed by tool-specific sections.
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Major New Features
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------------------
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...
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Improvements to clangd
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----------------------
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The improvements are...
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Improvements to clang-doc
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-------------------------
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The improvements are...
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Improvements to clang-query
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---------------------------
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- ...
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Improvements to clang-rename
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----------------------------
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The improvements are...
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Improvements to clang-tidy
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--------------------------
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- New OpenMP module.
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For checks specific to `OpenMP <https://www.openmp.org/>`_ API.
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- New :doc:`abseil-duration-addition
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<clang-tidy/checks/abseil-duration-addition>` check.
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Checks for cases where addition should be performed in the ``absl::Time``
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domain.
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- New :doc:`abseil-duration-conversion-cast
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<clang-tidy/checks/abseil-duration-conversion-cast>` check.
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Checks for casts of ``absl::Duration`` conversion functions, and recommends
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the right conversion function instead.
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- New :doc:`abseil-duration-unnecessary-conversion
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<clang-tidy/checks/abseil-duration-unnecessary-conversion>` check.
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Finds and fixes cases where ``absl::Duration`` values are being converted to
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numeric types and back again.
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- New :doc:`abseil-time-comparison
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<clang-tidy/checks/abseil-time-comparison>` check.
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Prefer comparisons in the ``absl::Time`` domain instead of the integer
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domain.
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- New :doc:`abseil-time-subtraction
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<clang-tidy/checks/abseil-time-subtraction>` check.
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Finds and fixes ``absl::Time`` subtraction expressions to do subtraction
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in the Time domain instead of the numeric domain.
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- New :doc:`google-readability-avoid-underscore-in-googletest-name
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<clang-tidy/checks/google-readability-avoid-underscore-in-googletest-name>`
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check.
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Checks whether there are underscores in googletest test and test case names in
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test macros, which is prohibited by the Googletest FAQ.
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- New alias :doc:`cppcoreguidelines-explicit-virtual-functions
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<clang-tidy/checks/cppcoreguidelines-explicit-virtual-functions>` to
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:doc:`modernize-use-override
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<clang-tidy/checks/modernize-use-override>` was added.
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- The :doc:`bugprone-argument-comment
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<clang-tidy/checks/bugprone-argument-comment>` now supports
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`CommentBoolLiterals`, `CommentIntegerLiterals`, `CommentFloatLiterals`,
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`CommentUserDefiniedLiterals`, `CommentStringLiterals`,
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`CommentCharacterLiterals` & `CommentNullPtrs` options.
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- The :doc:`google-runtime-int <clang-tidy/checks/google-runtime-int>`
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check has been disabled in Objective-C++.
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- The `Acronyms` and `IncludeDefaultAcronyms` options for the
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:doc:`objc-property-declaration <clang-tidy/checks/objc-property-declaration>`
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check have been removed.
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- The :doc:`modernize-use-override
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<clang-tidy/checks/modernize-use-override>` now supports `OverrideSpelling`
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and `FinalSpelling` options.
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- New :doc:`openmp-exception-escape
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<clang-tidy/checks/openmp-exception-escape>` check.
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Analyzes OpenMP Structured Blocks and checks that no exception escapes
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out of the Structured Block it was thrown in.
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- New :doc:`openmp-use-default-none
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<clang-tidy/checks/openmp-use-default-none>` check.
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Finds OpenMP directives that are allowed to contain a ``default`` clause,
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but either don't specify it or the clause is specified but with the kind
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other than ``none``, and suggests to use the ``default(none)`` clause.
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Improvements to clang-include-fixer
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-----------------------------------
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The improvements are...
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Improvements to modularize
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--------------------------
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The improvements are...
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Improvements to pp-trace
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------------------------
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- Added a new option `-callbacks` to filter preprocessor callbacks. It replaces
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the `-ignore` option.
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