Roll libc++ from 28d7125795ff to d855d8bc2ef4 (5 revisions)

28d7125795..d855d8bc2e

2023-12-18 koraq@xs4all.nl [libc++][modules] Adds CMake 3.28 support. (#75700)
2023-12-18 koraq@xs4all.nl [libc++][CI] Enable modules in no TZDB build. (#75704)
2023-12-18 dominik.wojt@arm.com [libc++] Add a picolibc test configuration with exceptions enabled (#75462)
2023-12-18 ldionne.2@gmail.com [libc++] Remove assumptions that std::array::iterator is a raw pointer (#74624)
2023-12-18 koraq@xs4all.nl [libc++] Adds headers to FTM. (#75699)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/libcxx-chromium
Please CC hans@chromium.org,thakis@chromium.org on the revert to ensure that a human
is aware of the problem.

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To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: hans@chromium.org,thakis@chromium.org
Change-Id: I9073dfc587983b58d0982026adcd7182430c4849
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5131956
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1238654}

DEPS

@@ -494,7 +494,7 @@ vars = {
 
   # If you change this, also update the libc++ revision in
   # //buildtools/deps_revisions.gni.
-  'libcxx_revision':       '28d7125795ff7da27512de569bb539e7ba44cb62',
+  'libcxx_revision':       'd855d8bc2ef4a063c552236b57ed0b1ab2e6e0c1',
 
   # GN CIPD package version.
   'gn_version': 'git_revision:85944ebc24a90ec1e489e85a46fdc68542c3146f',

buildtools/deps_revisions.gni

@@ -5,5 +5,5 @@
 declare_args() {
   # Used to cause full rebuilds on libc++ rolls. This should be kept in sync
   # with the libcxx_revision vars in //DEPS.
-  libcxx_revision = "28d7125795ff7da27512de569bb539e7ba44cb62"
+  libcxx_revision = "d855d8bc2ef4a063c552236b57ed0b1ab2e6e0c1"
 }