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Statement expressions allow jumping past initialization

c++

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

extension:gnu

Status: Open.

#138257 In llvm/llvm-project;

· AaronBallman opened on May 2, 2025

differences between GCC and LLVM with __attribute__((constructor)) __attribute__((destructor))

extension:gnu

llvmUmbrella label for LLVM issuesUmbrella label for LLVM issues

Status: Open.

#133246 In llvm/llvm-project;

· LukeSTM opened on Mar 27, 2025

Please diagnose on _Noreturn calls within [[gnu::const]], [[gnu::pure]], [[reproducible]], [[unsequenced]]

c23

clang:diagnosticsNew/improved warning or error message in Clang, but not in clang-tidy or static analyzerNew/improved warning or error message in Clang, but not in clang-tidy or static analyzer

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

extension:gnu

Status: Open.

#129022 In llvm/llvm-project;

· alejandro-colomar opened on Feb 27, 2025

Clang mishandles GNU attributes on function declarations with trailing return type

clangClang issues not falling into any other categoryClang issues not falling into any other category

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

diverges-from:gccDoes the clang frontend diverge from gcc on this issueDoes the clang frontend diverge from gcc on this issue

extension:clang

extension:gnu

Status: Open.

#118697 In llvm/llvm-project;

· zygoloid opened on Dec 4, 2024

[Clang] Accept deducing this as an extension before C++23

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

extension:gnu

Status: Open.

Feature

#118166 In llvm/llvm-project;

· philnik777 opened on Nov 30, 2024

Clang uses global register variables as scratch registers

clangClang issues not falling into any other categoryClang issues not falling into any other category

extension:gnu

Status: Open.

#116514 In llvm/llvm-project;

· brandtbucher opened on Nov 17, 2024

<code>target_clones</code> attribute does not support function templates

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

extension:gnu

Status: Open.

#116501 In llvm/llvm-project;

· Arastais opened on Nov 16, 2024

[Clang] Invalid VLA is not rejected in constant evaluation

accepts-invalid

c++23

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

constexprAnything related to constant evaluationAnything related to constant evaluation

extension:gnu

Status: Open.

#116430 In llvm/llvm-project;

· Sirraide opened on Nov 15, 2024

[Clang] Allow auto() as an extension in all language modes

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

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

extension:gnu

Status: Open.

#115609 In llvm/llvm-project;

· philnik777 opened on Nov 9, 2024

[clang++] Crash due to backend error "Instruction does not dominate all uses!"

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

crash-on-invalid

extension:gnu

generated by fuzzer

Status: Open.

#113078 In llvm/llvm-project;

· yype opened on Oct 20, 2024

clang does not support union or struct types for "register" variables

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

extension:gnu

Status: Open.

#109777 In llvm/llvm-project;

· DavidSpickett opened on Sep 24, 2024

Allow __restrict'ing in array size specification in C++, like C

c++

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

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

extension:clang

extension:gnu

Status: Open.

#107256 In llvm/llvm-project;

· eyalroz opened on Sep 4, 2024