Roll libc++ from b2be7b0b0b57 to 4c0596219258 (1 revision)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git/+log/b2be7b0b0b57..4c0596219258

2025-04-16 [email protected] [libc++] Extend the scope of radix sorting inside std::stable_sort to floating-point types (#129452)

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 [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

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Tbr: [email protected],[email protected]
Change-Id: Ie714f1ee1c2576356fcd50047953736f1b7d5e28
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6464163
Commit-Queue: chromium-autoroll <[email protected]>
Bot-Commit: chromium-autoroll <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1448050}
NOKEYCHECK=True
GitOrigin-RevId: 9ac99b86dea9031a2eab1b1582e76ca1390de7a6

Author: chromium-autoroll

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 = "b2be7b0b0b578dc25297187f815f6b6c0d0cbbaa"
+  libcxx_revision = "4c0596219258717d152093fb3e811e5f6bec9c79"
 }