lld 21.0.0git Release Notes¶

Warning

These are in-progress notes for the upcoming LLVM 21.0.0git release. Release notes for previous releases can be found on the Download Page.

Introduction ¶

This document contains the release notes for the lld linker, release 21.0.0git. Here we describe the status of lld, including major improvements from the previous release. All lld releases may be downloaded from the LLVM releases web site.

Non-comprehensive list of changes in this release ¶

ELF Improvements ¶

For AArch64, added support for -zgcs-report-dynamic, enabling checks for GNU GCS Attribute Flags in Dynamic Objects when GCS is enabled. Inherits value from -zgcs-report (capped at warning level) unless user-defined, ensuring compatibility with GNU ld linker.

Breaking changes ¶

COFF Improvements ¶

MinGW Improvements ¶

MachO Improvements ¶

WebAssembly Improvements ¶

Fixes ¶