Roll buildtools/third_party/libunwind/trunk/ 4ead61094..57e4aff4a (10 commits)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libunwind.git/+log/4ead61094cab..57e4aff4a11b

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

Change-Id: I251231352ebd145cd9a18e03504b89a836b51e5a
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/89570
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Nigi <nigi@chromium.org>
diff --git a/DEPS b/DEPS
index 7203882..6a9904f 100644
--- a/DEPS
+++ b/DEPS
@@ -104,7 +104,7 @@
   # 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': '4ead61094cab5ac7a90198fbe182596c4775183e',
+  'libunwind_revision': '57e4aff4a11ba10432307816505385d9344b3706',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling markupsafe
   # and whatever else without interference from each other.