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fix links on clang 18.1.0rc release page (#82739)
Looking at the [release notes](https://prereleases.llvm.org/18.1.0/rc3/tools/clang/docs/ReleaseNotes.html) for clang 18.1.0rc, there's some broken links, and many issue numbers mis-formatted with an extra colon. Aside from being used inconsistently (with/without colon), I think it should be uncontroversial that `See (#62707).` is better than `See (#62707:).` CC @tstellar @AaronBallman Co-authored-by: Aaron Ballman <aaron@aaronballman.com>
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@ -58,12 +58,12 @@ code bases.
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To reduce such widespread breakages, as an extension, Clang accepts this code
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with an existing warning ``-Wambiguous-reversed-operator`` warning.
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Fixes `GH <https://github.com/llvm/llvm-project/issues/53954>`_.
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Fixes `#53954 <https://github.com/llvm/llvm-project/issues/53954>`_.
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- The CMake variable ``GCC_INSTALL_PREFIX`` (which sets the default
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``--gcc-toolchain=``) is deprecated and will be removed. Specify
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``--gcc-install-dir=`` or ``--gcc-triple=`` in a `configuration file
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<https://clang.llvm.org/docs/UsersManual.html#configuration-files>` as a
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<https://clang.llvm.org/docs/UsersManual.html#configuration-files>`_ as a
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replacement.
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(`#77537 <https://github.com/llvm/llvm-project/pull/77537>`_)
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@ -95,7 +95,7 @@ C/C++ Language Potentially Breaking Changes
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- Fixed a bug in finding matching `operator!=` while adding reversed `operator==` as
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outlined in "The Equality Operator You Are Looking For" (`P2468 <http://wg21.link/p2468r2>`_).
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Fixes (`#68901: <https://github.com/llvm/llvm-project/issues/68901>`_).
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Fixes (`#68901 <https://github.com/llvm/llvm-project/issues/68901>`_).
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C++ Specific Potentially Breaking Changes
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-----------------------------------------
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@ -139,10 +139,10 @@ C++ Specific Potentially Breaking Changes
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- Remove the hardcoded path to the imported modules for C++20 named modules. Now we
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require all the dependent modules to specified from the command line.
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See (`#62707: <https://github.com/llvm/llvm-project/issues/62707>`_).
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See (`#62707 <https://github.com/llvm/llvm-project/issues/62707>`_).
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- Forbid `import XXX;` in C++ to find module `XXX` comes from explicit clang modules.
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See (`#64755: <https://github.com/llvm/llvm-project/issues/64755>`_).
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See (`#64755 <https://github.com/llvm/llvm-project/issues/64755>`_).
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ABI Changes in This Version
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---------------------------
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@ -199,7 +199,7 @@ C++ Language Changes
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C++20 Feature Support
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^^^^^^^^^^^^^^^^^^^^^
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- Implemented `P1907R1 <https://wg21.link/P1907R1>` which extends allowed non-type template argument
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- Implemented `P1907R1 <https://wg21.link/P1907R1>`_ which extends allowed non-type template argument
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kinds with e.g. floating point values and pointers and references to subobjects.
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This feature is still experimental. Accordingly, ``__cpp_nontype_template_args`` was not updated.
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However, its support can be tested with ``__has_extension(cxx_generalized_nttp)``.
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@ -259,7 +259,7 @@ Resolutions to C++ Defect Reports
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- Implemented `CWG2598 <https://wg21.link/CWG2598>`_ and `CWG2096 <https://wg21.link/CWG2096>`_,
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making unions (that have either no members or at least one literal member) literal types.
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(`#77924: <https://github.com/llvm/llvm-project/issues/77924>`_).
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(`#77924 <https://github.com/llvm/llvm-project/issues/77924>`_).
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C Language Changes
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@ -415,7 +415,7 @@ Attribute Changes in Clang
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types after default argument promotion. As a result, it's no longer an
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automatic diagnostic to use parameters of types that the format style
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supports but that are never the result of default argument promotion, such as
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``float``. (`#59824: <https://github.com/llvm/llvm-project/issues/59824>`_)
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``float``. (`#59824 <https://github.com/llvm/llvm-project/issues/59824>`_)
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- Clang now supports ``[[clang::preferred_type(type-name)]]`` as an attribute
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which can be applied to a bit-field. This attribute helps to map a bit-field
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@ -483,13 +483,13 @@ Improvements to Clang's diagnostics
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- Clang's ``-Wtautological-negation-compare`` flag now diagnoses logical
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tautologies like ``x && !x`` and ``!x || x`` in expressions. This also
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makes ``-Winfinite-recursion`` diagnose more cases.
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(`#56035: <https://github.com/llvm/llvm-project/issues/56035>`_).
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(`#56035 <https://github.com/llvm/llvm-project/issues/56035>`_).
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- Clang constexpr evaluator now diagnoses compound assignment operators against
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uninitialized variables as a read of uninitialized object.
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(`#51536 <https://github.com/llvm/llvm-project/issues/51536>`_)
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- Clang's ``-Wformat-truncation`` now diagnoses ``snprintf`` call that is known to
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result in string truncation.
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(`#64871: <https://github.com/llvm/llvm-project/issues/64871>`_).
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(`#64871 <https://github.com/llvm/llvm-project/issues/64871>`_).
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Existing warnings that similarly warn about the overflow in ``sprintf``
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now falls under its own warning group ```-Wformat-overflow`` so that it can
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be disabled separately from ``Wfortify-source``.
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@ -505,12 +505,12 @@ Improvements to Clang's diagnostics
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- Clang now emits ``-Wcast-qual`` for functional-style cast expressions.
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- Clang no longer emits irrelevant notes about unsatisfied constraint expressions
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on the left-hand side of ``||`` when the right-hand side constraint is satisfied.
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(`#54678: <https://github.com/llvm/llvm-project/issues/54678>`_).
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(`#54678 <https://github.com/llvm/llvm-project/issues/54678>`_).
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- Clang now prints its 'note' diagnostic in cyan instead of black, to be more compatible
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with terminals with dark background colors. This is also more consistent with GCC.
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- Clang now displays an improved diagnostic and a note when a defaulted special
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member is marked ``constexpr`` in a class with a virtual base class
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(`#64843: <https://github.com/llvm/llvm-project/issues/64843>`_).
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(`#64843 <https://github.com/llvm/llvm-project/issues/64843>`_).
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- ``-Wfixed-enum-extension`` and ``-Wmicrosoft-fixed-enum`` diagnostics are no longer
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emitted when building as C23, since C23 standardizes support for enums with a
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fixed underlying type.
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@ -550,10 +550,10 @@ Improvements to Clang's diagnostics
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1 | static_assert("A\n"[1] == U'🌍');
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| ~~~~~~~~~^~~~~~~~
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- Clang now always diagnoses when using non-standard layout types in ``offsetof`` .
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(`#64619: <https://github.com/llvm/llvm-project/issues/64619>`_)
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(`#64619 <https://github.com/llvm/llvm-project/issues/64619>`_)
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- Clang now diagnoses redefined defaulted constructor when redefined
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defaulted constructor with different exception specs.
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(`#69094: <https://github.com/llvm/llvm-project/issues/69094>`_)
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(`#69094 <https://github.com/llvm/llvm-project/issues/69094>`_)
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- Clang now diagnoses use of variable-length arrays in C++ by default (and
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under ``-Wall`` in GNU++ mode). This is an extension supported by Clang and
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GCC, but is very easy to accidentally use without realizing it's a
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@ -629,7 +629,7 @@ Improvements to Clang's diagnostics
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- Clang now diagnoses definitions of friend function specializations, e.g. ``friend void f<>(int) {}``.
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- Clang now diagnoses narrowing conversions involving const references.
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(`#63151: <https://github.com/llvm/llvm-project/issues/63151>`_).
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(`#63151 <https://github.com/llvm/llvm-project/issues/63151>`_).
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- Clang now diagnoses unexpanded packs within the template argument lists of function template specializations.
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- The warning `-Wnan-infinity-disabled` is now emitted when ``INFINITY``
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or ``NAN`` are used in arithmetic operations or function arguments in
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@ -639,7 +639,7 @@ Improvements to Clang's diagnostics
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- Clang now diagnoses attempts to bind a bitfield to an NTTP of a reference type as erroneous
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converted constant expression and not as a reference to subobject.
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- Clang now diagnoses ``auto`` and ``decltype(auto)`` in declarations of conversion function template
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(`CWG1878: <https://cplusplus.github.io/CWG/issues/1878.html>`_)
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(`CWG1878 <https://cplusplus.github.io/CWG/issues/1878.html>`_)
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- Clang now diagnoses the requirement that non-template friend declarations with requires clauses
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and template friend declarations with a constraint that depends on a template parameter from an
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enclosing template must be a definition.
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@ -670,15 +670,15 @@ Improvements to Clang's diagnostics
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- Clang now diagnoses import before module declarations but not in global
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module fragment.
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(`#67627: <https://github.com/llvm/llvm-project/issues/67627>`_).
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(`#67627 <https://github.com/llvm/llvm-project/issues/67627>`_).
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- Clang now diagnoses include headers with angle in module purviews, which is
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not usually intended.
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(`#68615: <https://github.com/llvm/llvm-project/issues/68615>`_)
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(`#68615 <https://github.com/llvm/llvm-project/issues/68615>`_)
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- Clang now won't mention invisible namespace when diagnose invisible declarations
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inside namespace. The original diagnostic message is confusing.
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(`#73893: <https://github.com/llvm/llvm-project/issues/73893>`_)
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(`#73893 <https://github.com/llvm/llvm-project/issues/73893>`_)
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Improvements to Clang's time-trace
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----------------------------------
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@ -963,7 +963,7 @@ Bug Fixes to C++ Support
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- Fix a crash when calling a non-constant immediate function
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in the initializer of a static data member.
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(`#65985 <https://github.com/llvm/llvm-project/issues/65985>_`).
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(`#65985 <https://github.com/llvm/llvm-project/issues/65985>`_).
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- Clang now properly converts static lambda call operator to function
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pointers on win32.
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(`#62594 <https://github.com/llvm/llvm-project/issues/62594>`_)
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@ -972,7 +972,7 @@ Bug Fixes to C++ Support
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of a function template or a member function of a class template was assigned
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the location of a non-defining declaration rather than the location of the
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definition the specialization was instantiated from.
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(`#26057 <https://github.com/llvm/llvm-project/issues/26057>`_`)
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(`#26057 <https://github.com/llvm/llvm-project/issues/26057>`_)
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- Fix a crash when a default member initializer of a base aggregate
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makes an invalid call to an immediate function.
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@ -983,11 +983,11 @@ Bug Fixes to C++ Support
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(`#48527 <https://github.com/llvm/llvm-project/issues/48527>`_)
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- Clang now no longer asserts when an UnresolvedLookupExpr is used as an
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expression requirement. (`#66612 https://github.com/llvm/llvm-project/issues/66612`)
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expression requirement. (`#66612 <https://github.com/llvm/llvm-project/issues/66612>`_)
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- Clang now disambiguates NTTP types when printing diagnostics where the
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NTTP types are compared with the 'diff' method.
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(`#66744 https://github.com/llvm/llvm-project/issues/66744`)
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(`#66744 <https://github.com/llvm/llvm-project/issues/66744>`_)
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- Fix crash caused by a spaceship operator returning a comparision category by
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reference. Fixes:
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