Roll libc++ from 1a88911caa16 to 7dc1caa0cf2d (4 revisions)

1a88911caa..7dc1caa0cf

2025-02-21 ldionne.2@gmail.com [libc++] Qualify calls to nullary functions like __throw_foo (#122465)
2025-02-21 simon.tatham@arm.com [libcxx] Work around picolibc argv handling in tests. (#127662)
2025-02-20 koraq@xs4all.nl [NFC][libc++][TZDB] Fixes formatting.
2025-02-20 ldionne.2@gmail.com [libc++] Reduce the dependency of the locale base API on the base system from the headers (#117764)

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https://autoroll.skia.org/r/libcxx-chromium
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is aware of the problem.

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Tbr: hans@chromium.org,thakis@chromium.org
Change-Id: If2a5c4c81aee8b4d7b5b550510682382be0719a1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6291509
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@{#1423206}

DEPS

@@ -500,7 +500,7 @@ vars = {
 
   # If you change this, also update the libc++ revision in
   # //buildtools/deps_revisions.gni.
-  'libcxx_revision':       '1a88911caa16345beb23d141f0361d58f3c4fcf5',
+  'libcxx_revision':       '7dc1caa0cf2dfe042d189ee93937221ac6c2ecb4',
 
   # GN CIPD package version.
   'gn_version': 'git_revision:ed1abc107815210dc66ec439542bee2f6cbabc00',

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 var in //DEPS.
-  libcxx_revision = "1a88911caa16345beb23d141f0361d58f3c4fcf5"
+  libcxx_revision = "7dc1caa0cf2dfe042d189ee93937221ac6c2ecb4"
 }