Roll clang llvmorg-16-init-572-gdde41c6c-4 : llvmorg-16-init-907-g8b740747-1

Ran `./tools/clang/scripts/upload_revision.py 8b74074731eeb3ff673bd7da4cd963efe78f8db6`.

Bug: 1350122
Change-Id: Ieb598d059252878fe521694438802614c901e60f
Cq-Include-Trybots: chromium/try:android-asan
Cq-Include-Trybots: chromium/try:chromeos-amd64-generic-cfi-thin-lto-rel
Cq-Include-Trybots: chromium/try:dawn-win10-x86-deps-rel
Cq-Include-Trybots: chromium/try:linux-chromeos-dbg
Cq-Include-Trybots: chromium/try:linux_chromium_cfi_rel_ng
Cq-Include-Trybots: chromium/try:linux_chromium_chromeos_msan_rel_ng
Cq-Include-Trybots: chromium/try:linux_chromium_msan_rel_ng
Cq-Include-Trybots: chromium/try:mac11-arm64-rel,mac_chromium_asan_rel_ng
Cq-Include-Trybots: chromium/try:ios-catalyst
Cq-Include-Trybots: chromium/try:win-asan,win7-rel
Cq-Include-Trybots: chromium/try:android-official,fuchsia-official
Cq-Include-Trybots: chromium/try:mac-official,linux-official
Cq-Include-Trybots: chromium/try:win-official,win32-official
Cq-Include-Trybots: chromium/try:linux-swangle-try-x64,win-swangle-try-x86
Cq-Include-Trybots: chrome/try:iphone-device,ipad-device
Cq-Include-Trybots: chrome/try:linux-chromeos-chrome
Cq-Include-Trybots: chrome/try:win-chrome,win64-chrome,linux-chrome,mac-chrome
Cq-Include-Trybots: chrome/try:linux-pgo,mac-pgo,win32-pgo,win64-pgo
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3812896
Reviewed-by: Nico Weber <thakis@chromium.org>
Reviewed-by: Arthur Eubanks <aeubanks@google.com>
Cr-Commit-Position: refs/heads/main@{#1032307}
NOKEYCHECK=True
GitOrigin-RevId: 6dc8fe647a4b08f8bfaed3b65ad0dc8a921aca29
diff --git a/scripts/update.py b/scripts/update.py
index c1d2bbd..b6c9212 100755
--- a/scripts/update.py
+++ b/scripts/update.py
@@ -35,8 +35,8 @@
 # https://chromium.googlesource.com/chromium/src/+/main/docs/updating_clang.md
 # Reverting problematic clang rolls is safe, though.
 # This is the output of `git describe` and is usable as a commit-ish.
-CLANG_REVISION = 'llvmorg-16-init-572-gdde41c6c'
-CLANG_SUB_REVISION = 4
+CLANG_REVISION = 'llvmorg-16-init-907-g8b740747'
+CLANG_SUB_REVISION = 1
 
 PACKAGE_VERSION = '%s-%s' % (CLANG_REVISION, CLANG_SUB_REVISION)
 RELEASE_VERSION = '16.0.0'