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[libcxxabi][llvm-symbolizer] Demangler produces bad output for templated <code>operator&lt;</code>

libc++libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.libc++ C++ Standard Library. Not GNU libstdc++. Not libc++abi.

libc++abilibc++abi C++ Runtime Library. Not libc++.libc++abi C++ Runtime Library. Not libc++.

tools:llvm-cxxfilt

Status: Open.

#143473 In llvm/llvm-project;

· jeremy-rifkin opened on Jun 10, 2025

BOLT instrument failed on Aarch64

BOLT

Status: Open.

#143472 In llvm/llvm-project;

· qianwindz opened on Jun 10, 2025

Compiler extension for Rust-like using syntax

c++

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

extension:clang

Status: Open.

Feature

#143469 In llvm/llvm-project;

· mikomikotaishi opened on Jun 10, 2025

[AVX2] SAD pattern detection is too strict

backend:X86

missed-optimization

Status: Open.

#143456 In llvm/llvm-project;

· adworacz opened on Jun 9, 2025

[libc][errno] Deprecate <code>LIBC_ERRNO_MODE_SYSTEM</code> in favor of <code>LIBC_ERRNO_MODE_SYSTEM_INLINE</code>.

libc

Status: Open.

#143454 In llvm/llvm-project;

· lntue opened on Jun 9, 2025

[analyzer] Static Analysis runs out of memory on a tiny test-case

clang:static analyzer

Status: Open.

#143440 In llvm/llvm-project;

· wjristow opened on Jun 9, 2025

[IndVarSimplify] LFTR Narrows IV to an Odd Sized Integer

llvm:optimizations

Status: Open.

#143414 In llvm/llvm-project;

· veera-efficient opened on Jun 9, 2025

[AArch64] Expanding reductions for scalable vectors is undefined.

backend:AArch64

Status: Open.

#143386 In llvm/llvm-project;

· banach-space opened on Jun 9, 2025

[lldb] Extend lldb-test to emit Symtab data as well.

lldb

test-suite

Status: Open.

#143378 In llvm/llvm-project;

· DhruvSrivastavaX opened on Jun 9, 2025

Missed deadcode elimination when using <code>phi</code>

llvm:optimizations

missed-optimization

Status: Open.

#143368 In llvm/llvm-project;

· GINN-Imp opened on Jun 9, 2025

Error when building current Tensorflow 2 with certain CPU instructions avx512f avx512vnni avx512bf16 fma

backend:X86

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

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

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

Status: Open.

Bug

#143365 In llvm/llvm-project;

· simon-t2l opened on Jun 9, 2025

[DAG] Convert foldMaskedMerge to SDPatternMatch to match (m &amp; x) | (~m &amp; y)

good first issuehttps://github.com/llvm/llvm-project/contributehttps://github.com/llvm/llvm-project/contribute

llvm:SelectionDAGSelectionDAGISel as wellSelectionDAGISel as well

Status: Open.

Task

#143363 In llvm/llvm-project;

· RKSimon opened on Jun 9, 2025