Roll buildtools/third_party/libunwind/trunk/ 2ea265b95..bbcbce996 (8 commits)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libunwind.git/+log/2ea265b95a08..bbcbce996866

Created with:
  roll-dep buildtools/third_party/libunwind/trunk

Change-Id: Ib108a03627f212aeb6a5137a78fc046d17dacd68
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/92612
Reviewed-by: Nigi <nigi@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 5b8c3db..4a21370 100644
--- a/DEPS
+++ b/DEPS
@@ -107,7 +107,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling libunwind
   # and whatever else without interference from each other.
-  'libunwind_revision': '2ea265b95a08e4a98fab16b327119788b8e50a69',
+  'libunwind_revision': 'bbcbce996866ff1f947414a8d9db1e79bdc7dca2',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling markupsafe
   # and whatever else without interference from each other.