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[AArch64] Add support for MSVC-style mangling for SVE

backend:AArch64

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

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

Status: Open.

#196170 In llvm/llvm-project;

· efriedma-quic opened on May 6, 2026

[clangd] [Signature help] [C++23] Parameter hints do not appear for static operator (and some obscure interaction with templates)

clangd

new issue

Status: Open.

Bug

#196153 In llvm/llvm-project;

· timon-ul opened on May 6, 2026

[clang] Unreachable when -fwinx64-eh-unwindv2 is used on function with __finally block

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

Status: Open.

#196138 In llvm/llvm-project;

· eleviant opened on May 6, 2026

[flang][OpenMP] COPYIN segfaults at -O3 for derived types with allocatable components

flangFlang issues not falling into any other categoryFlang issues not falling into any other category

Status: Open.

#196134 In llvm/llvm-project;

· chandraghale opened on May 6, 2026

Using _BitInt(128) with double conversion generates call to unimplemented builtin for 32-bit targets

new issue

Status: Open.

#196107 In llvm/llvm-project;

· oold opened on May 6, 2026

bug; false positive "negative-size-param" in wcsnrtombs for size=SIZE_MAX

compiler-rt:asanAddress sanitizerAddress sanitizer

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

Status: Open.

#196102 In llvm/llvm-project;

· Kamilcuk opened on May 6, 2026

[clang-tidy][request] Check that detects unqualified enumerator usage

check-requestRequest for a new check in clang-tidyRequest for a new check in clang-tidy

clang-tidy

Status: Open.

Feature

#196087 In llvm/llvm-project;

· chrchr-github opened on May 6, 2026

[PowerPC] Impossible reg-to-reg copy when inline asm uses crN registers as inputs

backend:PowerPC

crash-on-valid

Status: Open.

Bug

#196085 In llvm/llvm-project;

· alexrp opened on May 6, 2026

Wrong dwarf debug info for TLS variables on Windows, if built with llvm-mingw

new issue

Status: Open.

#196083 In llvm/llvm-project;

· ssbssa opened on May 6, 2026

Extra colon in target ID asserts

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

crash-on-invalid

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

Status: Open.

Bug

#196078 In llvm/llvm-project;

· arsenm opened on May 6, 2026

[clangd] Crash on completion request with out-of-range position

clangd

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

Status: Open.

Bug

#196072 In llvm/llvm-project;

· hongtaihu opened on May 6, 2026

clang overaligns "large arrays" on x86_64-pc-win32

ABIApplication Binary InterfaceApplication Binary Interface

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

platform:windows

Status: Open.

Bug

#196071 In llvm/llvm-project;

· zmodem opened on May 6, 2026