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<code>-Wswitch-default</code> and <code>-Wswitch-enum</code> warning behaviour change request

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

Status: Open.

#148856 In llvm/llvm-project;

· r-barnes opened on Jul 15, 2025

Clang Optimizer Incorrectly Converts Undefined Behavior into Deterministic Output​

undefined behaviour

Status: Open.

#148854 In llvm/llvm-project;

· Dong-hui-li opened on Jul 15, 2025

[LoopInterchange] Reject cases where ninf flag is present

loopoptim

Status: Open.

#148851 In llvm/llvm-project;

· madhur13490 opened on Jul 15, 2025

[MLIR] Boolean true incorrectly cast to -1 via <code>tosa.cast</code> from i1 to i32

mlir

Status: Open.

#148846 In llvm/llvm-project;

· sweead opened on Jul 15, 2025

Require binutils on linux builds and build llvmgold.so by default

new issue

Status: Open.

#148842 In llvm/llvm-project;

· mccakit opened on Jul 15, 2025

LLDB crashes evaluating a no_unique_address structure with tail padding

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

lldb

Status: Open.

#148838 In llvm/llvm-project;

· labath opened on Jul 15, 2025

format code issue: break in macro/comment in <code>AlignArrayOfStructures</code> is enable

clang-format

Status: Open.

#148833 In llvm/llvm-project;

· heartacker opened on Jul 15, 2025

libc++ package disappeared from apt.llvm.org

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

packaging

platform:linux

Status: Open.

#148832 In llvm/llvm-project;

· h-2 opened on Jul 15, 2025

Flags for more accurate selection of compile commands

clang-tidy

Status: Open.

#148819 In llvm/llvm-project;

· t-a-james opened on Jul 15, 2025

Clang-tidy should not guess compile commands

clang-tidy

Status: Open.

#148814 In llvm/llvm-project;

· t-a-james opened on Jul 15, 2025

[MLIR] Inconsistent output when executing MLIR program with and without <code>-convert-math-to-llvm</code>

mlir

Status: Open.

#148812 In llvm/llvm-project;

· sweead opened on Jul 15, 2025

Provide user friendly error message for <code>Function Import: link error: linking module flags 'ProfileSummary': IDs have conflicting values</code>

lld

LTOLink time optimization (regular/full LTO or ThinLTO)Link time optimization (regular/full LTO or ThinLTO)

PGOProfile Guided OptimizationsProfile Guided Optimizations

Status: Open.

Feature

#148805 In llvm/llvm-project;

· zmodem opened on Jul 15, 2025