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Issues list

[clang] Failed to compile simple and legal code while gcc is ok 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 lambda C++11 lambda expressions regression:16 Regression in 16 release
#141732 opened May 28, 2025 by yaoxinliu
@cor3ntin
4
Clang crashes on lambda forwarding in template with LocalInstantiationScope::findInstantiationOf assertion since clang 17 with -std=c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#139940 opened May 14, 2025 by mariete1223
@mizvekov
3
ICE in Clang 21 with recursive lambda capture — infinite name mangling loop since clang-17 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] generated by fuzzer lambda C++11 lambda expressions
#139089 opened May 8, 2025 by mariete1223
3
[clang] Crash due to lambdas in decltype (?) clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#138428 opened May 3, 2025 by dankmeme01
3
Clang fails to redo overload resolution in typeid operand after lambda _id-expression_ transformation clang:frontend Language frontend issues, e.g. anything involving "Sema" 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 rejects-valid
#137270 opened Apr 24, 2025 by hubert-reinterpretcast
1
[clang++] Can not capture member of structured binding to lambda in constant evaluation. clang:frontend Language frontend issues, e.g. anything involving "Sema" consteval C++20 consteval lambda C++11 lambda expressions
#134897 opened Apr 8, 2025 by MiroPalmu
4
Clang rejects a valid generic lamba within a conditional explicit for a constructor template of a class template clang:frontend Language frontend issues, e.g. anything involving "Sema" diverges-from:gcc Does the clang frontend diverge from gcc on this issue lambda C++11 lambda expressions
#134861 opened Apr 8, 2025 by AlisdairM
5
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
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
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 19.1.7 crash during lambda compilation with naked attribute clang:codegen IR generation bugs: mangling, exceptions, etc. crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#133143 opened Mar 26, 2025 by alpluspluss
6
[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
[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][Regression:17] Crash: segfault or stack overflow on lambda in template argument in lambda parameter type clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party constexpr Anything related to constant evaluation crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions regression:17 Regression in 17 release
#132076 opened Mar 19, 2025 by MagentaTreehouse
2
ICE segfault on generic lambda with defaulted parameter in requires clause clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party constexpr Anything related to constant evaluation crash Prefer [crash-on-valid] or [crash-on-invalid] lambda C++11 lambda expressions
#131620 opened Mar 17, 2025 by Eczbek
1
3
[Clang][Windows] Microsoft mangling cannot handle lambda in decltype in return type clang:frontend Language frontend issues, e.g. anything involving "Sema" lambda C++11 lambda expressions
#131611 opened Mar 17, 2025 by MagentaTreehouse
3
[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++23][Modules] imported function with auto return type causes lambda does not satisfy 'move_constructible' clang:modules C++20 modules and Clang Header Modules lambda C++11 lambda expressions
#130080 opened Mar 6, 2025 by thbwd
11
Clang: Failed assertion in nested instantiation clang:frontend Language frontend issues, e.g. anything involving "Sema" consteval C++20 consteval lambda C++11 lambda expressions regression:19 Regression in 19 release
#127421 opened Feb 17, 2025 by katzdm
5
Various issues with using uncaptured constexpr variable in lambda clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party constexpr Anything related to constant evaluation lambda C++11 lambda expressions
#127086 opened Feb 13, 2025 by davidstone
2
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
[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] Accepts invalid lambda init-capture shadowing a template parameter accepts-invalid clang:frontend Language frontend issues, e.g. anything involving "Sema" diverges-from:edg Does the clang frontend diverge from edg compiler diverges-from:gcc Does the clang frontend diverge from gcc on this issue lambda C++11 lambda expressions
#126392 opened Feb 9, 2025 by MagentaTreehouse
4
Error on generic lambda with trailing return type within lambda within template clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party constexpr Anything related to constant evaluation lambda C++11 lambda expressions
#125715 opened Feb 4, 2025 by Eczbek
3
The body of a lambda should not be instantiated eagerly clang:frontend Language frontend issues, e.g. anything involving "Sema" lambda C++11 lambda expressions
#125582 opened Feb 3, 2025 by cor3ntin
@erichkeane
2
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