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Issues list

The flag -fno-strict-overflow has not effect with clang clang:driver 'clang' and 'clang++' user-facing binaries. Not 'clang-cl' regression:19 Regression in 19 release
#134577 opened Apr 7, 2025 by yonghong-song
10
-Wmissing-prototypes regression from llvm19 clang:frontend Language frontend issues, e.g. anything involving "Sema" regression:19 Regression in 19 release
#133235 opened Mar 27, 2025 by gbMattN
4
[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
CWG3003: Naming a deducible template for class template argument deduction c++17 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-invalid regression:19 Regression in 19 release
#130604 opened Mar 10, 2025 by Endilll
3
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
clang ICE when decltype'ing a capture inside a lambda using deducing this clang:codegen IR generation bugs: mangling, exceptions, etc. crash Prefer [crash-on-valid] or [crash-on-invalid] regression:19 Regression in 19 release
#125439 opened Feb 2, 2025 by foonathan
6
C++20 coroutine with stateful allocator results in ASAN stack-use-after-scope starting with clang 19 clang:codegen IR generation bugs: mangling, exceptions, etc. coroutines C++20 coroutines regression:19 Regression in 19 release
#124612 opened Jan 27, 2025 by bartdesmet
8
clang crash on x86_64-linux-gnu: clang::CodeGen::CodeGenTypes::ConvertType(clang::QualType) clang:codegen IR generation bugs: mangling, exceptions, etc. crash Prefer [crash-on-valid] or [crash-on-invalid] regression:19 Regression in 19 release
#120086 opened Dec 16, 2024 by bi6c
3
Cannot call lambda defined in immediate lambda 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 lambda C++11 lambda expressions regression:19 Regression in 19 release
#118187 opened Nov 30, 2024 by LHLaurini
3
[clang] Assertion `SuspendType->isVoidPointerType()' failed. clang:codegen IR generation bugs: mangling, exceptions, etc. crash-on-invalid generated by fuzzer regression:19 Regression in 19 release
#117685 opened Nov 26, 2024 by yijan4845
1
[clang] Assertion `AddressOfExpr->getType() == Context.OverloadTy' failed. clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid generated by fuzzer regression:19 Regression in 19 release
#115607 opened Nov 9, 2024 by yijan4845
2
[clang] unexpected MultiVersionKind::None for resolver clang:codegen IR generation bugs: mangling, exceptions, etc. crash-on-valid generated by fuzzer regression:19 Regression in 19 release
#115317 opened Nov 7, 2024 by yijan4845
1
[clang] Assertion `(data().DefaultedMoveConstructorIsDeleted || needsOverloadResolutionForMoveConstructor()) && "move constructor should not be deleted"' failed. c++23 clang:frontend Language frontend issues, e.g. anything involving "Sema" crash-on-invalid generated by fuzzer regression:19 Regression in 19 release
#115315 opened Nov 7, 2024 by yijan4845
2
[clang] unexpected Neon vector element type clang:codegen IR generation bugs: mangling, exceptions, etc. crash-on-valid generated by fuzzer regression:19 Regression in 19 release
#114814 opened Nov 4, 2024 by yijan4845
1
[clang] Assertion `(Cand->FailureKind == ovl_fail_too_many_arguments) || (Cand->FailureKind == ovl_fail_bad_deduction && Cand->DeductionFailure.getResult() == TemplateDeductionResult::TooManyArguments)' failed. clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid generated by fuzzer regression:19 Regression in 19 release
#113185 opened Oct 21, 2024 by yijan4845
2
[clang++] Frontend assertion failure in clang::Sema::tryCaptureVariable clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid generated by fuzzer regression:19 Regression in 19 release
#112632 opened Oct 16, 2024 by yype
2
clang crashes when compiling coroutine on Windows confirmed Verified by a second party coroutines C++20 coroutines crash-on-valid llvm:optimizations needs-reduction Large reproducer that should be reduced into a simpler form platform:windows regression:19 Regression in 19 release
#109253 opened Sep 19, 2024 by flode
@rnk @zmodem @alanzhao1
6
out of range pc-relative fixup value on arm32 backend:ARM confirmed Verified by a second party regression:19 Regression in 19 release
#108262 opened Sep 11, 2024 by kraj
6
Backward jumps to some local labels in inline assembly fail to compile inline-asm regression:19 Regression in 19 release
#106781 opened Aug 30, 2024 by jmgorius
Clang times out compiling simple program. GCC ok. clang:frontend Language frontend issues, e.g. anything involving "Sema" constexpr Anything related to constant evaluation crash-on-valid needs-reduction Large reproducer that should be reduced into a simpler form regression:19 Regression in 19 release slow-compile
#106379 opened Aug 28, 2024 by socketpair
7
trunk regression: operator== is not defined c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party regression:19 Regression in 19 release
#104720 opened Aug 18, 2024 by Fedr
5
clang fails to find operator -> clang:frontend Language frontend issues, e.g. anything involving "Sema" regression:19 Regression in 19 release
#104268 opened Aug 14, 2024 by ahatanak
1
7
Assertion `isa<LabelDecl>(D) && "declaration not instantiated in this scope"' failed. c++20 clang:frontend Language frontend issues, e.g. anything involving "Sema" confirmed Verified by a second party crash-on-invalid regression:19 Regression in 19 release
#102353 opened Aug 7, 2024 by dcb314
10
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