Roll buildtools/third_party/libc++abi/trunk/ 2715a6c0d..94855f7b7 (15 commits)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libcxxabi.git/+log/2715a6c0de8d..94855f7b7cda

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

Change-Id: I4e46f04d5f33a79eb41ec93fb336983a7e5b46ef
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/89571
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 6a9904f..7f60f21 100644
--- a/DEPS
+++ b/DEPS
@@ -100,7 +100,7 @@
   # 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.
-  'libcxxabi_revision': '2715a6c0de8dac4c7674934a6b3d30ba0c685271',
+  'libcxxabi_revision': '94855f7b7cdadf1aa5c58ac3ccf522e204e27087',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libunwind
   # and whatever else without interference from each other.