Roll third_party/llvm-libc/src/ dba78cfc7..006672b9b (52 commits)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libc.git/+log/dba78cfc717f..006672b9b648

Created with:
  roll-dep third_party/llvm-libc/src

Change-Id: I1fa2d195d23355b2db1cdfae848d14ad773c76d9
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/137495
Auto-Submit: Andy Phan <andyphan@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index fa729fc..905e269 100644
--- a/DEPS
+++ b/DEPS
@@ -176,7 +176,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling llvm-libc
   # and whatever else without interference from each other.
-  'llvm_libc_revision': 'dba78cfc717fd8070616bab0fe09b589b770162c',
+  'llvm_libc_revision': '006672b9b6481bae04b9428100ed0486ab99f452',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling markupsafe
   # and whatever else without interference from each other.