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Issues list

Statement expressions allow jumping past initialization c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" extension:gnu
#138257 opened May 2, 2025 by AaronBallman
2
Use-after-free involving CompoundLiteralExprs c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" code-quality confirmed Verified by a second party
#137165 opened Apr 24, 2025 by kadircet
1
2
Clang fails to consider default arguments reachable at the instantiation context accepts-invalid c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party diverges-from:edg Does the clang frontend diverge from edg compiler diverges-from:gcc Does the clang frontend diverge from gcc on this issue diverges-from:msvc Does the clang frontend diverge from msvc on this issue miscompilation rejects-valid
#135442 opened Apr 11, 2025 by hubert-reinterpretcast
2
Emitting attribute diagnostics twice in some template instantiations c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" quality-of-implementation
#135012 opened Apr 9, 2025 by AaronBallman
6
No longer add enumeration constants to the wrong scope accepts-invalid c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" clang Clang issues not falling into any other category waiting-for-wg21 Blocked on C++ Standards Committee
#134998 opened Apr 9, 2025 by AaronBallman Loading…
1
19
Incorrect diagnostic wording for out-of-line enum declarations c++ clang:diagnostics New/improved warning or error message in Clang, but not in clang-tidy or static analyzer confirmed Verified by a second party
#134955 opened Apr 9, 2025 by Endilll
4
Specific structure name can cause shadowing of globally defined lambda, causing "struct::operator()" to be called instead of "lambda::operator()" c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" good first issue https://github.com/llvm/llvm-project/contribute lambda C++11 lambda expressions
#134049 opened Apr 2, 2025 by jjkazana
18
[clang] Implement CWG2803 and CWG2958 c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" clang Clang issues not falling into any other category
#132779 opened Mar 24, 2025 by offsetof Loading…
10
Bad line wrapping around designated initializers c++ clang-format
#132710 opened Mar 24, 2025 by kadircet
3
ICE on variable template initialized to IILE containing fold expression? c++ clang:codegen IR generation bugs: mangling, exceptions, etc. crash Prefer [crash-on-valid] or [crash-on-invalid]
#131709 opened Mar 18, 2025 by Eczbek
3
Overly pedantic [[noreturn]] restriction c++ clang:diagnostics New/improved warning or error message in Clang, but not in clang-tidy or static analyzer clang:frontend Language frontend issues, e.g. anything involving "Sema" diverges-from:msvc Does the clang frontend diverge from msvc on this issue
#131700 opened Mar 18, 2025 by kimbarrett
8
Clang 20 compiler C++ frontend command failed due to signal c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" crash Prefer [crash-on-valid] or [crash-on-invalid] incomplete Issue not complete (e.g. missing a reproducer, build arguments, etc.)
#131159 opened Mar 13, 2025 by n0F4x
9
[libc++] codecvt<wchar_t, char, mbstate_t>::do_in returns ok but not partial when having incompletely parsed UTF-8 input c++ libc++ libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi. locale issues related to localization
#131107 opened Mar 13, 2025 by debugee
4
No match for non-type template template parameter c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party regression:20 Regression in 20 release
#130778 opened Mar 11, 2025 by n0F4x
12
Parts of std::numeric_limits<_BitInt(N)> broken c++ extension:clang libc++ libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.
#130584 opened Mar 10, 2025 by QrczakMK
4
"Assertion `E->getDataElementCount() == 1' failed." with #embed and array new c++ clang:codegen IR generation bugs: mangling, exceptions, etc. confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] embed #embed (not embedded systems)
#128985 opened Feb 27, 2025 by efriedma-quic
2
Entire lambda body is printed in a note c++ clang:diagnostics New/improved warning or error message in Clang, but not in clang-tidy or static analyzer good first issue https://github.com/llvm/llvm-project/contribute
#125914 opened Feb 5, 2025 by Endilll
@ajayrajsaini
7
[clang] Diagnose default arguments defined in different scopes c++ clang:frontend Language frontend issues, e.g. anything involving "Sema"
#124844 opened Jan 28, 2025 by Endilll Loading…
@Endilll
17
clang++ is unable to optimize what clang-cl and clang can c++ clang:driver 'clang' and 'clang++' user-facing binaries. Not 'clang-cl' missed-optimization platform:windows
#121859 opened Jan 7, 2025 by SEt-t
2
Clang does not realize erroneous overload with inherited constructor c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party
#121331 opened Dec 30, 2024 by wangbo15
1
5
[clang] Diagnose misuse of block variable thread_locals with dynamic init or destruction. c++ clang:diagnostics New/improved warning or error message in Clang, but not in clang-tidy or static analyzer
#112782 opened Oct 17, 2024 by jyknight
4
[clang-cl] Self instantiation does not work in a constant expression c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation
#108962 opened Sep 17, 2024 by VladimirShchigolev
3
Allow __restrict'ing in array size specification in C++, like C c++ clang:frontend Language frontend issues, e.g. anything involving "Sema" enhancement Improving things as opposed to bug fixing, e.g. new or missing feature extension:clang extension:gnu
#107256 opened Sep 4, 2024 by eyalroz
2
FR: Have -fno-exceptions cause noexcept operator/std::is_nothrow_...() to treat functions as if they were non-throwing c++ clang:frontend Language frontend issues, e.g. anything involving "Sema"
#104734 opened Aug 19, 2024 by pkasting
3
[Clang] friend declarations with a dependent NNS are not supported c++ clang:frontend Language frontend issues, e.g. anything involving "Sema"
#104057 opened Aug 14, 2024 by Sirraide
11
ProTip! What’s not been updated in a month: updated:<2025-04-02.