From: Ian Lance Taylor <iant@golang.org>
Date: Wed, 3 Dec 2025 23:15:30 +0000 (-0800)
Subject: runtime: use unsafe.Slice in itabInit
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=9777ceceec8fee294d038182739cab7c845ad2d1;p=gostls13.git

runtime: use unsafe.Slice in itabInit

As opposed to old style (*[1 << 16]T(p)[:n:n].

Change-Id: I6836f87741a2e2f6cef34f87cc839d15e309cc67
Reviewed-on: https://go-review.googlesource.com/c/go/+/726401
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
---

diff --git a/src/runtime/iface.go b/src/runtime/iface.go
index 0665c4b984..c1f5f5b6e5 100644
--- a/src/runtime/iface.go
+++ b/src/runtime/iface.go
@@ -212,9 +212,9 @@ func itabInit(m *itab, firstTime bool) string {
 	// the loop is O(ni+nt) not O(ni*nt).
 	ni := len(inter.Methods)
 	nt := int(x.Mcount)
-	xmhdr := (*[1 << 16]abi.Method)(add(unsafe.Pointer(x), uintptr(x.Moff)))[:nt:nt]
+	xmhdr := unsafe.Slice((*abi.Method)(add(unsafe.Pointer(x), uintptr(x.Moff))), nt)
 	j := 0
-	methods := (*[1 << 16]unsafe.Pointer)(unsafe.Pointer(&m.Fun[0]))[:ni:ni]
+	methods := unsafe.Slice((*unsafe.Pointer)(unsafe.Pointer(&m.Fun[0])), ni)
 	var fun0 unsafe.Pointer
 imethods:
 	for k := 0; k < ni; k++ {