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[ARM64EC] The crash related to '/gaurd:cf' when protecting assembly implemented function.

backend:AArch64

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

Status: Open.

Bug

#165504 In llvm/llvm-project;

· coneco-cy opened on Oct 29, 2025

MCParser/AsmParser.cpp doesn't support the <code>.base64</code> directive

llvm:asmparser

llvm:mcMachine (object) codeMachine (object) code

Status: Open.

#165499 In llvm/llvm-project;

· kenballus opened on Oct 29, 2025

Missed stack move optimization when either source or destination has its address captured

llvm:optimizations

missed-optimization

Status: Open.

#165484 In llvm/llvm-project;

· tmiasko opened on Oct 28, 2025

[DirectX] DXIL data scalarizer is incorrectly transforming GEPs when the type of the GEP does not match the type of the pointer

backend:DirectX

Status: Open.

Bug

#165473 In llvm/llvm-project;

· Icohedron opened on Oct 28, 2025

Clang Crash: Assertion !isNull() failed in QualType::getCommonPtr during constant expression evaluation

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

generated by fuzzer

Status: Open.

Bug

#165465 In llvm/llvm-project;

· Theaamadu opened on Oct 28, 2025

Clang Crash: Assertion Value &gt; 0 failed in llvm::Align::Align due to negative vector_size attribute

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crash-on-invalid

generated by fuzzer

Status: Open.

Bug

#165463 In llvm/llvm-project;

· Theaamadu opened on Oct 28, 2025

Clang Crash (SIGSEGV) in CodeGen with __attribute__((preserve_access_index)) on structure access

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

generated by fuzzer

Status: Open.

Bug

#165462 In llvm/llvm-project;

· Theaamadu opened on Oct 28, 2025

Clang Crash: Assertion NumBits &lt;= MAX_INT_BITS failed in IntegerType::get with large ext_vector_type

clang:codegenIR generation bugs: mangling, exceptions, etc.IR generation bugs: mangling, exceptions, etc.

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

generated by fuzzer

Status: Open.

Bug

#165458 In llvm/llvm-project;

· Theaamadu opened on Oct 28, 2025

LLVM IR Gen: Assertion Align != 0u failure in llvm::alignTo during Record Layout

clang:frontendLanguage frontend issues, e.g. anything involving "Sema"Language frontend issues, e.g. anything involving "Sema"

crash-on-invalid

generated by fuzzer

Status: Open.

Bug

#165452 In llvm/llvm-project;

· Theaamadu opened on Oct 28, 2025

[clang-21] Crash after upgrading to clang 21 with C++20 modules.

clang:modulesC++20 modules and Clang Header ModulesC++20 modules and Clang Header Modules

crashPrefer [crash-on-valid] or [crash-on-invalid]Prefer [crash-on-valid] or [crash-on-invalid]

needs-reductionLarge reproducer that should be reduced into a simpler formLarge reproducer that should be reduced into a simpler form

regression:21Regression in 21 releaseRegression in 21 release

Status: Open.

Bug

#165445 In llvm/llvm-project;

· lilyatplyable opened on Oct 28, 2025

[clang-query] Parallel runner for clang-query

clang-query

enhancementImproving things as opposed to bug fixing, e.g. new or missing featureImproving things as opposed to bug fixing, e.g. new or missing feature

Status: Open.

Feature

#165442 In llvm/llvm-project;

· capitan-davide opened on Oct 28, 2025

[WebAssembly] llc (assertion trunk) crashed at -O0 with -msimd128 enabled

backend:WebAssembly

crash-on-valid

Status: Open.

Bug

#165438 In llvm/llvm-project;

· XChy opened on Oct 28, 2025