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Unknown this pointer cannot be used in constant expressions even if not accessed

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

diverges-from:msvcDoes the clang frontend diverge from msvc on this issueDoes the clang frontend diverge from msvc on this issue

Status: Open.

#191104 In llvm/llvm-project;

· chengfeng-xie opened on Apr 9, 2026

False positive deprecation and availability warnings on annotated using alias declarations

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

false-positiveWarning fires when it should notWarning fires when it should not

Status: Open.

#191099 In llvm/llvm-project;

· ahatanak opened on Apr 9, 2026

[libc] implement iswctype

libc

Status: Open.

#191076 In llvm/llvm-project;

· michaelrj-google opened on Apr 8, 2026

[libc] build libc++

libc

metaissueIssue to collect references to a group of similar or related issues.Issue to collect references to a group of similar or related issues.

Status: Open.

#191075 In llvm/llvm-project;

· michaelrj-google opened on Apr 8, 2026

[libc] Implement wcsxfrm

libc

Status: Open.

#191074 In llvm/llvm-project;

· michaelrj-google opened on Apr 8, 2026

[libc] Implement wcscoll

libc

Status: Open.

#191073 In llvm/llvm-project;

· michaelrj-google opened on Apr 8, 2026

[HLSL][SPIRV] Loads from float1x4 in a cbuffer don't seem to swizzle correctly

backend:SPIR-V

clang:HLSL:SPIRVClang HLSL SPIRV supportClang HLSL SPIRV support

HLSLHLSL Language SupportHLSL Language Support

Status: Open.

#191070 In llvm/llvm-project;

· bogner opened on Apr 8, 2026

Header guards wrongly indented

clang-format

Status: Open.

#191043 In llvm/llvm-project;

· Julien-Elie opened on Apr 8, 2026

clang-22 combining --offload-link and -Wl,-v on the same link line causes a silent failure, and no output file to be generated

clang:driver'clang' and 'clang++' user-facing binaries. Not 'clang-cl''clang' and 'clang++' user-facing binaries. Not 'clang-cl'

Status: Open.

#191041 In llvm/llvm-project;

· robertmaynard opened on Apr 8, 2026

[AArch64] LLVM fails to elide memcpy to return slot for neon st1x4

backend:AArch64

missed-optimization

Status: Open.

#191038 In llvm/llvm-project;

· Sp00ph opened on Apr 8, 2026

[Bug][LoopUnroll] Invalid LoopInfo used during LoopUnroll

llvm:transforms

loopoptim

Status: Open.

Bug

#191036 In llvm/llvm-project;

· CongzheUalberta opened on Apr 8, 2026

[Clang] [Regression] CTAD fails for constructor constrained by member variable template with empty variadic/defaulted arguments

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

conceptsC++20 conceptsC++20 concepts

Status: Open.

#191016 In llvm/llvm-project;

· Taw3e8 opened on Apr 8, 2026