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[clang][bytecode] Assertion `bigVal.data() && "Null pointer detected!"' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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

Status: Open.

Bug

#153997 In llvm/llvm-project;

· k-arrows opened on Aug 17, 2025

[clang][bytecode] Assertion `isDereferencable()' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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]

Status: Open.

Bug

#153990 In llvm/llvm-project;

· k-arrows opened on Aug 17, 2025

[clang][OpenMP][bytecode] Assertion `!LocalDeclMap.count(VD) && "Decl already exists in LocalDeclMap!"' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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

clang:openmpOpenMP related changes to ClangOpenMP related changes to Clang

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

Status: Open.

Bug

#153987 In llvm/llvm-project;

· k-arrows opened on Aug 17, 2025

[clang][bytecode] Assertion `!isUnknownSizeArray() && "Array of unknown size"' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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]

Status: Open.

Bug

#153948 In llvm/llvm-project;

· k-arrows opened on Aug 16, 2025

[MC][ARM] <code>Clang</code> Crashes When Assembling Invalid ARM <code>ldaexd</code> Instructions with <code>--triple=armv8-none-eabi </code>

backend:ARM

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

Status: Open.

Bug

#153939 In llvm/llvm-project;

· venkyqz opened on Aug 16, 2025

[MC][ARM] <code>Clang</code> Crashes When Assembling Invalid ARM <code>ldrexd</code> Instructions with <code>--triple=armv7-none-eabi</code>

backend:ARM

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

Status: Open.

Bug

#153938 In llvm/llvm-project;

· venkyqz opened on Aug 16, 2025

[clang][bytecode] Assertion `(Base == RootPtrMark || Base % alignof(void *) == 0) &amp;&amp; "wrong base"' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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]

Status: Open.

Bug

#153928 In llvm/llvm-project;

· k-arrows opened on Aug 16, 2025

[clang][bytecode] UNREACHABLE executed in InterpBuiltinBitCast.cpp due to Unhandled bitcast type

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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]

Status: Open.

Bug

#153920 In llvm/llvm-project;

· k-arrows opened on Aug 16, 2025

[clang] crashes when redeclaring a struct with [[gnu::unused]] attribute

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

confirmedVerified by a second partyVerified by a second party

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

extension:gnu

Status: Open.

Bug

#153916 In llvm/llvm-project;

· k-arrows opened on Aug 16, 2025

Crash in Linalg::YieldOp::getSuccessorRegions

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

mlir:linalg

Status: Open.

Bug

#153896 In llvm/llvm-project;

· wsmoses opened on Aug 15, 2025

[clang][bytecode] Assertion `R' failed.

clang:bytecodeIssues for the clang bytecode constexpr interpreterIssues for the clang bytecode constexpr interpreter

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

confirmedVerified by a second partyVerified by a second party

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

Status: Open.

Bug

#153803 In llvm/llvm-project;

· k-arrows opened on Aug 15, 2025

clang crash, possibly related to templating of std::variant, isHorizontalWhitespace LexTokenInternal Preprocessor::Lex

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]

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

Status: Open.

Bug

#153800 In llvm/llvm-project;

· sparr opened on Aug 15, 2025