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Issues list

out-of-line definition of constrained members is not accepted (new failing example of closed bug) clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party
#139476 opened May 11, 2025 by xaxazak
2
2
[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
ICE with concept pack expansion + std::swap in C++20 constraint expressions with -std=c++20 since clang 20 clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash-on-invalid regression:20 Regression in 20 release
#138823 opened May 7, 2025 by mariete1223
3
Assertion !isValueDependent() && "Expression evaluator can't be called on a dependent expression." failed clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash-on-valid regression:16 Regression in 16 release
#136118 opened Apr 17, 2025 by MacroModel
8
requires-clauses think void values can be passed to variadic functions clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party
#135694 opened Apr 14, 2025 by Alcaro
2
Bogus "constraint depends on itself" clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts 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
#134880 opened Apr 8, 2025 by Boris-Rasin
8
Clang behaves different with other compilers for constraint nested lambdas clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#134193 opened Apr 3, 2025 by zyn0217
5
[clang] Crash when specifying default values of template parameters of lambdas in require clauses of lambdas. clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#132925 opened Mar 25, 2025 by Timothy-Liuxf
1
8
Incomplete implementation of P2280 / CWG2517 clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party cwg-issue An issue that was filed to the Core Working Group diverges-from:gcc Does the clang frontend diverge from gcc on this issue good first issue https://github.com/llvm/llvm-project/contribute
#132825 opened Mar 24, 2025 by brevzin
1
8
[clang] Instantiation of concept makes invalid expression valid. clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts
#132592 opened Mar 23, 2025 by SainoNamkho
3
[Clang] Crash on naming data member in requires expression in local class clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions regression:16 Regression in 16 release
#132471 opened Mar 21, 2025 by MagentaTreehouse
1
[Clang] Crash when generic lambda is used as argument to a concept in type constraint for template parameter pack clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#131481 opened Mar 15, 2025 by MagentaTreehouse
4
[C++][concepts] error implicit instantiation of undefined template reported from checking constraint satisfaction clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts
#131136 opened Mar 13, 2025 by thbwd
13
[Clang][Regression:19] Crash on pack expansion of requires expression with lambda clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts crash Prefer [crash-on-valid] or [crash-on-invalid] regression:19 Regression in 19 release
#130620 opened Mar 10, 2025 by MagentaTreehouse
3
Function template with concept is instanciated even if the constraint is not met clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts diverges-from:msvc Does the clang frontend diverge from msvc on this issue
#130242 opened Mar 7, 2025 by WorldRobertProject
4
[Clang] Crash when lambda requires clause uses a parameter declared in an outer requires expression clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions regression:18 Regression in 18 release
#126550 opened Feb 10, 2025 by MagentaTreehouse
6
[clang] [Index] The requirements are not handled when generates USR for TemplateDecl clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts
#125390 opened Feb 2, 2025 by 16bit-ykiko
3
[Clang] Wrong constraint evaluation for lambda in unevaluated context clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts lambda C++11 lambda expressions regression:16 Regression in 16 release
#124497 opened Jan 27, 2025 by MagentaTreehouse
3
Maybe a bug of concept and vector clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts 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
#124467 opened Jan 26, 2025 by scarsty
12
std::variant of inner class cannot be created if inner class has initializers clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts cwg-issue An issue that was filed to the Core Working Group libstdc++ GNU libstdc++ C++ standard library
#124088 opened Jan 23, 2025 by tbleher
5
[Clang] Crash when mangling lambda with requires clause clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions regression:18 Regression in 18 release
#123854 opened Jan 21, 2025 by MagentaTreehouse
3
wrong management of parameter substitution in a concept-id clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts
#122971 opened Jan 14, 2025 by mrussoLuxoft
1
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] crash on valid in isPackExpansion clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts crash-on-valid lambda C++11 lambda expressions
#116036 opened Nov 13, 2024 by vient
1
7
[clang] C++20 Concept in Template Specialization Should Not See Protected Member. clang:frontend Language frontend issues, e.g. anything involving "Sema" concepts C++20 concepts
#115838 opened Nov 12, 2024 by xkszltl
1
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