Roll libc++ from bcb59d372834 to 99457fa55579 (3 revisions) https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git/+log/bcb59d372834..99457fa55579 2026-04-28 ldionne.2@gmail.com [libc++] Refactor the SPEC benchmark runner (#194737) 2026-04-28 ldionne.2@gmail.com [libc++] Improvements to the benchmark runners (#194659) 2026-04-28 nikolasklauser@berlin.de [libc++][NFC] Remove unused header <__support/xlocale/__nop_locale_mgmt.h> (#194316) 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. To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry 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: Ib17ffd2ee5bc87766c47487486fd91358307ac27 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7802567 Commit-Queue: chromium-autoroll@skia-public.iam.gserviceaccount.com <chromium-autoroll@skia-public.iam.gserviceaccount.com> Bot-Commit: chromium-autoroll@skia-public.iam.gserviceaccount.com <chromium-autoroll@skia-public.iam.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#1622234} NOKEYCHECK=True GitOrigin-RevId: ee4df4ec18335d78c972a62deae472bd9dc9026a