[llvm-branch-commits] [libcxx] c65d48d - [libc++] Add details about string annotations (#82730)

[via llvm-branch-commits]

Author: Tacet
Date: 2024-02-23T13:06:47-08:00
New Revision: c65d48da924b850d4f6b72243f0ef932b499c825

URL: https://github.com/llvm/llvm-project/commit/c65d48da924b850d4f6b72243f0ef932b499c825
DIFF: https://github.com/llvm/llvm-project/commit/c65d48da924b850d4f6b72243f0ef932b499c825.diff

LOG: [libc++] Add details about string annotations (#82730)

This commit adds information that only long strings are annotated, and
with all allocators by default.

To read why short string annotations are not turned on yet, read
comments in a related PR:
https://github.com/llvm/llvm-project/pull/79536

Upstreamed in: 7661ade5d1ac4fc8e1e2339b2476cb8e45c24641
Upstream PR: #80912

---------

Co-authored-by: Mark de Wever <zar-rpg at xs4all.nl>

Co-authored-by: Mark de Wever <zar-rpg at xs4all.nl>

Added: 
    

Modified: 
    libcxx/docs/ReleaseNotes/18.rst

Removed: 
    


################################################################################
diff  --git a/libcxx/docs/ReleaseNotes/18.rst b/libcxx/docs/ReleaseNotes/18.rst
index 391e0ebc52a428..7ea13e6943dd4c 100644
--- a/libcxx/docs/ReleaseNotes/18.rst
+++ b/libcxx/docs/ReleaseNotes/18.rst
@@ -125,6 +125,8 @@ Improvements and New Features
   ``${PREFIX}/share/libc++/v1``.
 
 - AddressSanitizer annotations have been added to ``std::basic_string``.
+  These annotations are enabled for all allocators by default.
+  It's only enabled for long strings, strings using the small buffer optimization are not annotated.
 
 - The libc++ source code has been formatted with ``clang-format``. This
   `discourse thread <https://discourse.llvm.org/t/rfc-clang-formatting-all-of-libc-once-and-for-all>`_