[bot-for-go]

Hi! I'm a bot, and this is an automatically generated upstream sync PR. 🔃

After submitting the PR, I will attempt to enable auto-merge in the "merge commit" configuration.

For more information, visit sync documentation in microsoft/go-infra.

Upstream commits included in this update

• 3b8e23dc38 cmd/internal/script: report the duration of a failed command to help with triage
• 63313a0fc5 simd/internal/spec: add Len and String
• 5b8216128d go/build: move simd/internal/spec up the package DAG
• f30364b083 simd: move sliceToString to simd/internal/simdfmt
• 68b130d442 simd/archsimd/_gen: stop autogenerating SPEC-STATS.md
• 2fb15af7f0 cmd/link: align split text sections for over-aligned functions
• 68d3532baa cmd/cgo/internal/testplugin: remove hard-coded timeout in TestIssue18676 to help slow builders
• 7541d6edc2 cmd/compile/internal/types2: port TestIssue73871 to types2
• eeaa094535 go/types, types2: run some tests in parallel
• 3e0d81733a cmd/go: slice ~10 minutes off darwin race builders by adjusting GORACE=atexit_sleep_ms
• 683312b26b cmd/dist: simplify calculation of maxbg for tests
• d8af0049a1 cmd/dist: skip sync:cpu10 in compile-only mode
• 1956448f5e cmd/dist, make.bash: clear GOWASM when using bootstrap toolchain
• b98d22c17f types2, go/types: validate invariants in tests
• 89f31857e0 math: break false dependency in archHypot constant synthesis on loong64
• e9a2cefe36 crypto/rsa: apply FIPS 140-3 approved checks to MGF hash in OAEP
• 1915cedcd3 regexp: avoid allocating in FindAll when there is no match
• f9f805aa29 cmd/compile: save and restore base.Pos in reader.pkgInitOrder
• 29cfee917f test/chan: add a test for position on element type too large error
• 41cb39b794 cmd/compile: move staticinit.AnySideEffects to ir
• 7c8eca12f8 cmd/api: always run api checks when run locally
• 6c49ac311e crypto/internal/fips140/aes: simplify loong64 ctrBlocks4Asm carry logic
• 6c0b2c39e3 cmd/go: fix TestScript failures on AIX (aix/ppc64)
• 84831ad47e cmd/internal/script: report timed out tests with better error than 'exit status 2'
• 99291162c3 cmd/go: fix doc panic in test-only module
• 026b12efdf cmd/internal/fuzztest: limit GOMAXPROCS for 386 subtests
• fc7652ea3e cmd/relnote: always run relnote check
• c249015a07 net/http/internal/http3: set LocalAddrContextKey on server requests
• 8c11c60bc4 all: update to x/net@05c76ee9adc5
• 9fc6dda0e9 cmd/dist: only check fips140 builds on the snapshots
• 7606069326 net/http: make persistConn strictly HTTP/1

View full diff on GitHub

[review-bot-for-go]

Thanks! Auto-approving.

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[Copilot]

🔵 Needs a closer look

Missing diffs and Go submodule contents prevent verification of the upstream changes and their compatibility with Microsoft's patch stack, requiring human review.

No open issues 🎉

What changed in this PR

This automated sync advances the Go submodule to upstream commit 3b8e23dc38, bringing recent upstream changes into Microsoft’s Go fork.

Changes:

• Incorporates compiler, linker, standard-library, and tooling fixes.
• Includes test reliability improvements, SIMD updates, and RSA OAEP FIPS checks.

File	Description

_{Review effort: Balanced}

[George Adams (gdams)]

Copilot resolve the merge conflicts on this branch.

[Copilot]

Copilot resolve the merge conflicts on this branch.

Merged microsoft/main and resolved the patch/index conflicts in merge commit 83d038c. The merge has both parents; targeted tests passed and CodeQL found no alerts.