[llvm-branch-commits] [lld] ReleaseNotes: add lld/ELF notes (PR #80393)

[Fangrui Song via llvm-branch-commits]

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@@ -29,8 +29,42 @@ ELF Improvements
 * ``--fat-lto-objects`` option is added to support LLVM FatLTO.
   Without ``--fat-lto-objects``, LLD will link LLVM FatLTO objects using the
   relocatable object file. (`D146778 <https://reviews.llvm.org/D146778>`_)
+* ``-Bsymbolic-non-weak`` is added to directly bind non-weak definitions.
+  (`D158322 <https://reviews.llvm.org/D158322>`_)
+* ``--lto-validate-all-vtables-have-type-infos``, which complements
+  ``--lto-whole-program-visibility``, is added to disable unsafe whole-program
+  devirtualization. ``--lto-known-safe-vtables=<glob>`` can be used
+  to mark known-safe vtable symbols.
+  (`D155659 <https://reviews.llvm.org/D155659>`_)
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MaskRay wrote:

Thanks for the suggestion! I noticed this and GOT32_PCREL and was wondering whether they are minor. But your mentioning this made it clear it is worth mentioning:)

This entry may motivate wasm and Mach-O folks to implement a similar change.
(I am actually self motivated to do this if I have some spare time)

https://github.com/llvm/llvm-project/pull/80393