Roll build/ and buildtools/third_party/libc++/trunk/

Roll buildtools/third_party/libc++/trunk/ 8fa879467..79a2e924d (426 commits)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxx.git/+log/8fa879467796..79a2e924d96e

Created with:
  roll-dep buildtools/third_party/libc++/trunk


Roll build/ e6942ef1c..1ae483ee7 (292 commits; 1 trivial rolls)

https://chromium.googlesource.com/chromium/src/build.git/+log/e6942ef1c557..1ae483ee7f2d

Created with:
  roll-dep build

Change-Id: I8d05db26c5d6354e6381cb69afc31cf113b90377
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/83671
Reviewed-by: Hui Yingst <nigi@chromium.org>
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>

DEPS

diff --git a/DEPS b/DEPS
index 0de0308..a23b0bd 100644
--- a/DEPS
+++ b/DEPS
@@ -29,7 +29,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling build
   # and whatever else without interference from each other.
-  'build_revision': 'e6942ef1c557b2ae17d993ebf83d8b3c10cf3061',
+  'build_revision': '1ae483ee7f2dd41ceab462a058c8852cb2f0d3c3',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling buildtools
   # and whatever else without interference from each other.
@@ -91,7 +91,7 @@
   # and whatever else without interference from each other.
   # If you change this, also update the libc++ revision in
   # //buildtools/deps_revisions.gni.
-  'libcxx_revision': '8fa87946779682841e21e2da977eccfb6cb3bded',
+  'libcxx_revision': '79a2e924d96e2fc1e4b937c42efd08898fa472d7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libc++abi
   # and whatever else without interference from each other.