forked from OSchip/llvm-project
Hans Wennborg
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===================================================
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Extra Clang Tools 4.0.0 (In-Progress) Release Notes
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Extra Clang Tools 5.0.0 (In-Progress) Release Notes
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===================================================
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.. contents::
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@ -10,15 +10,15 @@ Written by the `LLVM Team <http://llvm.org/>`_
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.. warning::
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These are in-progress notes for the upcoming Extra Clang Tools 4.0 release.
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You may prefer the `Extra Clang Tools 3.9 Release Notes
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<http://llvm.org/releases/3.9.0/tools/clang/tools/extra/docs/ReleaseNotes.html>`_.
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These are in-progress notes for the upcoming Extra Clang Tools 5 release.
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You may prefer the `Extra Clang Tools 4 Release Notes
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<http://llvm.org/releases/4.0.0/tools/clang/tools/extra/docs/ReleaseNotes.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 4.0.0. Here we describe the status of the Extra Clang Tools in
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Clang release 5.0.0. 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 <http://llvm.org/releases/>`_.
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@ -32,7 +32,7 @@ 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 <http://llvm.org/releases/>`_.
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What's New in Extra Clang Tools 4.0.0?
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What's New in Extra Clang Tools 5.0.0?
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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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@ -52,159 +52,17 @@ The improvements are...
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Improvements to clang-rename
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----------------------------
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- Emacs integration was added.
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The improvements are...
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Improvements to clang-tidy
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--------------------------
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- New `cppcoreguidelines-slicing
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<http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-slicing.html>`_ check
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Flags slicing of member variables or vtable.
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- New `cppcoreguidelines-special-member-functions
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<http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-special-member-functions.html>`_ check
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Flags classes where some, but not all, special member functions are user-defined.
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- The UseCERTSemantics option for the `misc-move-constructor-init
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<http://clang.llvm.org/extra/clang-tidy/checks/misc-move-constructor-init.html>`_ check
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has been removed as it duplicated the `modernize-pass-by-value
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-pass-by-value.html>`_ check.
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- New `misc-move-forwarding-reference
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<http://clang.llvm.org/extra/clang-tidy/checks/misc-move-forwarding-reference.html>`_ check
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Warns when ``std::move`` is applied to a forwarding reference instead of
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``std::forward``.
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- `misc-pointer-and-integral-operation` check was removed.
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- New `misc-string-compare
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<http://clang.llvm.org/extra/clang-tidy/checks/misc-string-compare.html>`_ check
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Warns about using ``compare`` to test for string equality or inequality.
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- New `misc-use-after-move
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<http://clang.llvm.org/extra/clang-tidy/checks/misc-use-after-move.html>`_ check
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Warns if an object is used after it has been moved, without an intervening
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reinitialization.
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- New `cppcoreguidelines-no-malloc
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<http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-no-malloc.html>`_ check
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warns if C-style memory management is used and suggests the use of RAII.
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- `modernize-make-unique
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-make-unique.html>`_
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and `modernize-make-shared
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-make-shared.html>`_
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now handle calls to the smart pointer's ``reset()`` method.
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- The `modernize-pass-by-value
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-pass-by-value.html>`_ check
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now has a ValuesOnly option to only warn about parameters that are passed by
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value but not moved.
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- The `modernize-use-auto
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-auto.html>`_ check
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now warns about variable declarations that are initialized with a cast, or by
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calling a templated function that behaves as a cast.
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- The modernize-use-default check has been renamed to `modernize-use-equals-default
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-equals-default.html>`_.
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- New `modernize-use-default-member-init
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-default-member-init.html>`_ check
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Converts a default constructor's member initializers into default member initializers.
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Removes member initializers that are the same as a default member initializer.
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- New `modernize-use-equals-delete
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-equals-delete.html>`_ check
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Adds ``= delete`` to unimplemented private special member functions.
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- New `modernize-use-transparent-functors
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-use-transparent-functors.html>`_ check
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Replaces uses of non-transparent functors with transparent ones where applicable.
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- New `mpi-buffer-deref
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<http://clang.llvm.org/extra/clang-tidy/checks/mpi-buffer-deref.html>`_ check
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Flags buffers which are insufficiently dereferenced when passed to an MPI function call.
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- New `mpi-type-mismatch
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<http://clang.llvm.org/extra/clang-tidy/checks/mpi-type-mismatch.html>`_ check
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Flags MPI function calls with a buffer type and MPI data type mismatch.
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- New `performance-inefficient-string-concatenation
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<http://clang.llvm.org/extra/clang-tidy/checks/performance-inefficient-string-concatenation.html>`_ check
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Warns about the performance overhead arising from concatenating strings using
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the ``operator+``, instead of ``operator+=``.
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- New `performance-type-promotion-in-math-fn
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<http://clang.llvm.org/extra/clang-tidy/checks/performance-type-promotion-in-math-fn.html>`_ check
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Replaces uses of C-style standard math functions with double parameters and float
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arguments with an equivalent function that takes a float parameter.
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- `readability-container-size-empty
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-container-size-empty.html>`_ check
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supports arbitrary containers with with suitable ``empty()`` and ``size()``
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methods.
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- New `readability-misplaced-array-index
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-misplaced-array-index.html>`_ check
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Warns when there is array index before the [] instead of inside it.
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- New `readability-non-const-parameter
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-non-const-parameter.html>`_ check
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Flags function parameters of a pointer type that could be changed to point to
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a constant type instead.
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- New `readability-redundant-declaration
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-declaration.html>`_ check
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Finds redundant variable and function declarations.
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- New `readability-redundant-function-ptr-dereference
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-function-ptr-dereference.html>`_ check
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Finds redundant function pointer dereferences.
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- New `readability-redundant-member-init
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-member-init.html>`_ check
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Flags member initializations that are unnecessary because the same default
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constructor would be called if they were not present.
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- The `readability-redundant-string-cstr
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<http://clang.llvm.org/extra/clang-tidy/checks/readability-redundant-string-cstr.html>`_ check
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now warns about redundant calls to data() too.
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- The `google-explicit-constructor
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<http://clang.llvm.org/extra/clang-tidy/checks/google-explicit-constructor.html>`_ check
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now warns about conversion operators not marked explicit.
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Fixed bugs:
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- `modernize-make-unique
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-make-unique.html>`_
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and `modernize-make-shared
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<http://clang.llvm.org/extra/clang-tidy/checks/modernize-make-shared.html>`_
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Calling ``make_{unique|shared}`` from within a member function of a type
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with a private or protected constructor would be ill-formed.
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The improvements are...
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Improvements to include-fixer
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-----------------------------
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- Emacs integration was added.
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The improvements are...
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Improvements to modularize
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--------------------------
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