Update submodule to latest master in microsoft/main

[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

• aa194b3f68 runtime/pprof: deflake block and mutex profile tests
• d8fec91a72 cmd/compile: mark function values of reflect.Value.Method and MethodByName
• 697fe8caba cmd/link: remove extra -Wl,-nopie for openbsd linking
• e5f7ecd00e go/types, types2: document actual Interface.Method order
• 0bd978d532 runtime/secret: fix TestGoExit
• 1d1187a126 cmd/compile: preassign index for closure variable types
• 8dfc83de2c spec: document composite literals with omitted types
• a3b72a4a0d cmd/link: emit split DWARF on Darwin
• b1fde0a264 debug/macho: load split DWARF file
• fcb91c57fc cmd/compile: call a new Diagf function without positions from ctxt.Diag
• 6b5417f030 simd/archsimd/_gen: write separate SSA generic ops
• 2557edd671 net/http: apply header limits to Trailer headers too
• ba8f5c9ade net/http/internal/http2: prevent crash due to HPACK encoder race
• 3ccab6349d crypto/tls: validate ECH outer extension references
• c8ef343b2b net/http: avoid server reuse of connection after CONNECT
• eb7cc21e71 net/http/internal/http2: avoid 2x refund on stream close with buffered data
• 61a325b838 net/http: limit the size of range headers parsed in ServeContent
• 345f9967fc net/http/internal/http2: avoid excessive work on initial window changes
• 119679a843 simd/archsimd/_gen: complete task `gen-docs`
• 80c98a7ad7 simd/archsimd/_gen/cmd/specfill: test generated docs
• ede51d4986 simd/archsimd/_gen: enable doc filling in all generators
• 1d565a6d97 simd/archsimd/_gen/simdgen: enable doc filling
• 050075e56f simd/internal/spec: several doc improvements
• 25ff1b6cc8 simd/archsimd/_gen/simdgen: fix implementation note prefixes and spacing in templates
• e8653e969a simd/archsimd/_gen/cmd/specstats: ignore target-specific implementation notes
• 7b536ca2f2 net/textproto: enforce MIME memory limit on first line
• 587fb2646e net/http, net/http/httputil: avoid post-CONNECT pool corruption
• b19851bb60 os: correct Root junction handling on Windows (avoid mkdir escape)
• d73c92c091 simd/archsimd/_gen/cmd/specfill: verify exported declarations against spec and complete task `fill-enforce`
• 021b49fbb9 simd/archsimd/_gen: complete task `named-results`
• ac2436c3cd simd,simd/archsimd: name results in hand-written declarations
• e89c4220c7 simd/internal/spec: name StorePart's result
• a89bb77d0a simd: move local n to result in Load*Part implementations
• d9c017a1fa simd/archsimd/_gen: enable name filling in generators
• f66b0bbb53 test: fix simd_inline.go for CL 846585
• 95bc6b93fc cmd/link: make -d flag no-op on Darwin
• a479c5b3ef cmd/link: remove remaining 32-bit Darwin support
• 2f5c4cd59b test/codegen: fix SIMD codegen tests for CL 846445
• 5d8f28c94d simd/archsimd: reconcile Load*Array, FromBits, and ToInt* names with spec
• c35d7bdf94 simd/archsimd: reconcile Shift* and Scale* parameter names with spec
• 47fea15542 spec/archsimd/_gen: fix section numbering in SPEC-TRANSITION.md
• a5ef336780 cmd/compile: allocate amd64 SIMD masks in K registers
• 3b98eddbcd internal/runtime/atomic: fix Xaddint64 return value on riscv64
• 21bcca17dc net/http: TestTransportGCRequest: use synctest
• 4e085b3336 net/http: TestTransportTLSHandshakeTimeout: use synctest
• 2cb0d7dd42 net/http: TestIssue4191: use fakenet
• 170eda90e8 net/http: TestTLSHandshakeTimeout: use synctest
• a99091efdb net/http: rewrite TestTransportRequestWriteRoundTrip
• 83d160a76a net/http: make synctest the default for tests
• 0e2ac8f94c net/url: parse ///foo as Path=/foo, not Path=///foo
• a904b1c8ec net/url: avoid turning Path into Host under some circumstances
• 0b026fcb0a cmd/compile: rename Config.PredRegMask to Config.SimdMaskReg
• 8031ffce5f src/simd: drop signed rotate operations
• 7e0c8984d8 simd/archsimd/_gen: make Int*.Abs return Uint instead of Int
• eaf9c68531 cmd/compile: document SpecialRegMask
• 62cd170026 net/http: update cancelTimerBody comment
• 925ef8c02c cmd/compile: sort alg type before its noalg one

View full diff on GitHub

[review-bot-for-go]

Thanks! Auto-approving.

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[Copilot]

🔵 Needs a closer look

The broad upstream sync affects security-sensitive networking, compiler, linker, and runtime behavior and requires full CI and human validation.

0 open findings

What changed in this PR

Advances the upstream Go submodule from 737d626d12 to aa194b3f68, incorporating compiler, runtime, networking, security, and SIMD updates.

Changes:

• Adds upstream reliability and security fixes.
• Updates compiler, linker, runtime, and SIMD behavior.
• Modernizes and deflakes several tests.

File	Description
go	Updates the upstream Go source submodule revision.

🧠 Review effort: Balanced

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