[go] internal/bytealg: on android/arm64, don't read outside 16-byte regions

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Keith Randall (Gerrit)

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Mar 3, 2026, 12:51:23 PM (2 days ago) Mar 3

to Keith Randall, goph...@pubsubhelper.golang.org, golang-...@googlegroups.com, Keith Randall, Michael Pratt, Go LUCI, golang-co...@googlegroups.com

Keith Randall submitted the change

Change information

Commit message:

internal/bytealg: on android/arm64, don't read outside 16-byte regions

CL 749062 attempted this, but handled only the case of reading
past the end. This CL handles the case of reading before the beginning.

Update #59090

Change-Id: Ia21166a9a3fb20ac9003c192589a3d92304c9ee4

Reviewed-on: https://go-review.googlesource.com/c/go/+/751020

Reviewed-by: Keith Randall <k...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Reviewed-by: Michael Pratt <mpr...@google.com>

Files:

M src/internal/bytealg/indexbyte_arm64.s

Change size: S

Delta: 1 file changed, 10 insertions(+), 3 deletions(-)

Branch: refs/heads/master

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Code-Review: +1 by Keith Randall, +2 by Michael Pratt
TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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