Roll clang+rust llvmorg-20-init-17108-g29ed6000-3 : llvmorg-21-init-853-gba476d0b-1 / ad211ced81509462cdfe4c29ed10f97279a0acae-1 : d4bdd1ed551fed0c951eb47b4be2c79d7a02d181-1

Note: this increments the LLVM major version to 21.

Also use -fno-strict-overflow instead of -fwrapv, since the latter
no longer covers pointer overflow [1].

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/+log/29ed6000..ba476d0b

https://chromium.googlesource.com/external/github.com/rust-lang/rust/+log/ad211ced8150..d4bdd1ed551f

Ran: ./tools/clang/scripts/upload_revision.py ba476d0b83dc8a4bbf066dc02a0f73ded27114f0

[1] llvm/llvm-project#122486

Binary-Size: Should be within the limits with new PGO profiles.
Bug: 389103111
Change-Id: I1eb3c31628b58c2d71e3690b967ffad5609d673d
Disable-Rts: True
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,win-asan,android-official
Cq-Include-Trybots: chromium/try:fuchsia-arm64-cast-receiver-rel
Cq-Include-Trybots: chromium/try:mac-official,linux-official
Cq-Include-Trybots: chromium/try:win-official,win32-official
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Cq-Include-Trybots: chromium/try:linux-swangle-try-x64,win-swangle-try-x86
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Cq-Include-Trybots: chrome/try:win-chrome,win64-chrome,linux-chrome,mac-chrome
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Cq-Include-Trybots: luci.chromium.try:linux-cast-x64-rel
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Cq-Include-Trybots: chromium/try:linux-rust-x64-rel
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Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6233983
Reviewed-by: Nico Weber <[email protected]>
Auto-Submit: Hans Wennborg <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1417174}
NOKEYCHECK=True
GitOrigin-RevId: 7c222671e7164bd6b726ef1d8d6e73403ad72559

Author: zmodem

build_rust.py

@@ -68,7 +68,7 @@
 ]
 EXCLUDED_TESTS_WINDOWS = [
     # Temporarily disabled due to https://crbug.com/379308086
-    os.path.join('tests', 'ui', 'asan-odr-win', 'asan_odr_windows.rs'),
+    os.path.join('tests', 'ui', 'sanitizer', 'asan_odr_windows.rs'),
 ]
 EXCLUDED_TESTS_MAC = [
 ]

update_rust.py

@@ -31,7 +31,7 @@
 
 # These fields are written by //tools/clang/scripts/upload_revision.py, and
 # should not be changed manually.
-RUST_REVISION = 'ad211ced81509462cdfe4c29ed10f97279a0acae'
+RUST_REVISION = 'd4bdd1ed551fed0c951eb47b4be2c79d7a02d181'
 RUST_SUB_REVISION = 1
 
 # The revision of Crubit to use from https://github.com/google/crubit
@@ -46,7 +46,7 @@
 # Hash of src/stage0.json, which itself contains the stage0 toolchain hashes.
 # We trust the Rust build system checks, but to ensure it is not tampered with
 # itself check the hash.
-STAGE0_JSON_SHA256 = 'd43873232c1696dc1177bea0163c764a08e6650e6e58cba06d74604aefa87132'
+STAGE0_JSON_SHA256 = 'c467900b95312670e8ee588144e54f5a84fca6008f58c170f354777948808379'
 
 THIS_DIR = os.path.abspath(os.path.dirname(__file__))
 CHROMIUM_DIR = os.path.abspath(os.path.join(THIS_DIR, '..', '..'))