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Issues list

Clang crashes with assertion in ResolveSingleFunctionTemplateSpecialization with -std=c++20 since clang 10 c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash Prefer [crash-on-valid] or [crash-on-invalid]
#140018 opened May 15, 2025 by mariete1223
2
[clang] constant evaluation of for loop does not run destructor for condition variable accepts-invalid c++20 c++23 clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation good first issue https://github.com/llvm/llvm-project/contribute rejects-valid
#139818 opened May 14, 2025 by zygoloid
1
@Mr-Anyone
7
[clang][concepts] Clang doesn't properly diagnose concept return types with insufficient template arg count c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party
#138889 opened May 7, 2025 by erichkeane
3
Clang ICE on assertion "isa<To>(Val) && "cast<Ty>() argument of incompatible type" with templates using -std=c++20 c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid generated by fuzzer
#138098 opened May 1, 2025 by mariete1223
3
Clang on windows reject recursive variant compare c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party needs-reduction Large reproducer that should be reduced into a simpler form
#136700 opened Apr 22, 2025 by neko-para
6
[clang-cl] Cannot compile a nested struct with member named std::string Name; c++20 clang:codegen IR generation bugs: mangling, exceptions, etc. confirmed Verified by a second party crash-on-valid
#136608 opened Apr 21, 2025 by Nemirtingas
6
Windows clang-cl.exe 19.1.1 crash c++20 confirmed Verified by a second party coroutines C++20 coroutines crash Prefer [crash-on-valid] or [crash-on-invalid] llvm:optimizations platform:windows
#136481 opened Apr 20, 2025 by MiguelBarro
8
[llvm 20.1.2] [unknown-windows-msvc] The [[__gnu__::__init_priority__]]attribute causes the constructor of the global function to be called multiple times c++20 clang:modules C++20 modules and Clang Header Modules clang Clang issues not falling into any other category confirmed Verified by a second party platform:windows
#135126 opened Apr 10, 2025 by MacroModel
4
[libc++] P0769R2: Parallel shift_right c++20 libc++ libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi. pstl Issues related to the C++17 Parallel STL
#134597 opened Apr 7, 2025 by frederick-vs-ja
1
[libc++] P0769R2: Parallel shift_left c++20 libc++ libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi. pstl Issues related to the C++17 Parallel STL
#134596 opened Apr 7, 2025 by frederick-vs-ja
1
Crash when compiling multiply nested templates with Constrained NTTP c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation crash-on-valid lambda C++11 lambda expressions
#134348 opened Apr 4, 2025 by AdrArtGar
2
Assertion failed: (!Current->LocalDecls.contains(D) && "Instantiated local in inner and outer scopes"), function InstantiatedLocal, file clang/lib/Sema/SemaTemplateInstantiate.cpp, line 4695 c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-valid
#134148 opened Apr 2, 2025 by DimitryAndric
4
deferred extra vtables during vtable emission? assertion fires c++20 clang:codegen IR generation bugs: mangling, exceptions, etc. confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] debuginfo
#131641 opened Mar 17, 2025 by Endilll
3
Crash in c++20 code when lambda is present c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid lambda C++11 lambda expressions regression:18 Regression in 18 release
#126938 opened Feb 12, 2025 by emmenlau
5
[Crash] Clang does not like vtables in structural templates. c++20 clang:codegen IR generation bugs: mangling, exceptions, etc. confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] debuginfo
#124673 opened Jan 28, 2025 by Oliver-makes-code
7
clang++ 19.1.7 segfault in isPackExpansion() c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid regression:18 Regression in 18 release
#124471 opened Jan 26, 2025 by jehelset
4
[Clang] Clang crashes when attempting to call a member function via CRTP in a default argument expression c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-invalid
#123471 opened Jan 18, 2025 by venkatrao1
5
ICE on invalid explicit instantiation as abbreviated function template: non-canonical or dependent type in IR-generation c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid
#121009 opened Dec 23, 2024 by hubert-reinterpretcast
6
Constraints of template template parameter not checked for non-dependent arguments despite [temp.names]/8 c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts diverges-from:edg Does the clang frontend diverge from edg compiler diverges-from:msvc Does the clang frontend diverge from msvc on this issue
#121008 opened Dec 23, 2024 by hubert-reinterpretcast
3
[clang-tidy] Check request: detect suspicious deleted constructor and assignment operator c++20 check-request Request for a new check in clang-tidy clang-tidy
#120923 opened Dec 22, 2024 by denzor200
2
GH58962 regression: Clang rejects &-qualified member function to be overloaded with const-qualified with mutual exclusive constraints c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party 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
#120812 opened Dec 21, 2024 by zhihaoy
2
[Clang] constexpr variables wrongfully treated as captures in certain lambdas c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation 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 lambda C++11 lambda expressions
#120503 opened Dec 19, 2024 by yuxuanchen1997
6
Cannot compare std::string's in if constexpr c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation 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
#120197 opened Dec 17, 2024 by Fedr
4
Clang Language Server Crash When Using Greater Than C++17 and Experimental Compile Options c++20 clangd crash Prefer [crash-on-valid] or [crash-on-invalid]
#118191 opened Dec 1, 2024 by ZtRXR
6
[clang] Function call without comparisons reported as non-constant expression after CWG2765 implementation c++20 clang:analysis clang:diagnostics New/improved warning or error message in Clang, but not in clang-tidy or static analyzer
#117409 opened Nov 23, 2024 by ormris
5
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