[PATCH] D118380: Add info on PACBTI-M to the Clang release notes

[Ties Stuij via Phabricator via cfe-commits]

This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG1adfbfcf39f9: Add info on PACBTI-M to the Clang release notes (authored by stuij).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D118380/new/

https://reviews.llvm.org/D118380

Files:
  clang/docs/ReleaseNotes.rst


Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -77,6 +77,9 @@
 
 - Clang plugin arguments can now be passed through the compiler driver via
   ``-fplugin-arg-pluginname-arg``, similar to GCC's ``-fplugin-arg``.
+- The ``-mno-bti-at-return-twice`` flag will make sure a BTI instruction won't
+  be added after a setjmp or possible other return-twice construct (ARM backend
+  only).
 
 Deprecated Compiler Flags
 -------------------------
@@ -293,6 +296,11 @@
   GNU driver. Programs that depend on clang invoking GCC as the linker driver
   should use GCC as the linker in the build system.
 
+- The ``-mbranch-protection`` flag will now also work for the ARM backend.
+
+- The ``attribute((target("branch-protection=...)))`` attributes will now also
+  work for the ARM backend.
+
 Floating Point Support in Clang
 -------------------------------
 - The default setting of FP contraction (FMA) is now -ffp-contract=on (for


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