Update to go1.24.5

test/codegen/shift.go

@@ -468,6 +468,16 @@ func checkMergedShifts64(a [256]uint32, b [256]uint64, c [256]byte, v uint64) {
 	b[1] = b[(v>>20)&0xFF]
 	// ppc64x: "RLWNM", -"SLD"
 	b[2] = b[((uint64((uint32(v) >> 21)) & 0x3f) << 4)]
+	// ppc64x: -"RLWNM"
+	b[3] = (b[3] << 24) & 0xFFFFFF000000
+	// ppc64x: "RLWNM\t[$]24, R[0-9]+, [$]0, [$]7,"
+	b[4] = (b[4] << 24) & 0xFF000000
+	// ppc64x: "RLWNM\t[$]24, R[0-9]+, [$]0, [$]7,"
+	b[5] = (b[5] << 24) & 0xFF00000F
+	// ppc64x: -"RLWNM"
+	b[6] = (b[6] << 0) & 0xFF00000F
+	// ppc64x: "RLWNM\t[$]4, R[0-9]+, [$]28, [$]31,"
+	b[7] = (b[7] >> 28) & 0xF
 	// ppc64x: "RLWNM\t[$]11, R[0-9]+, [$]10, [$]15"
 	c[0] = c[((v>>5)&0x3F)<<16]
 	// ppc64x: "ANDCC\t[$]8064,"

test/fixedbugs/issue73748a.go

@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2025 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"context"
+	"io"
+	"runtime/trace"
+)
+
+type T struct {
+	a [16]int
+}
+
+//go:noinline
+func f(x *T) {
+	*x = T{}
+}
+
+func main() {
+	trace.Start(io.Discard)
+	defer func() {
+		recover()
+		trace.Log(context.Background(), "a", "b")
+
+	}()
+	f(nil)
+}

test/fixedbugs/issue73748b.go

@@ -0,0 +1,32 @@
+// run
+
+// Copyright 2025 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"context"
+	"io"
+	"runtime/trace"
+)
+
+type T struct {
+	a [16]int
+}
+
+//go:noinline
+func f(x, y *T) {
+	*x = *y
+}
+
+func main() {
+	trace.Start(io.Discard)
+	defer func() {
+		recover()
+		trace.Log(context.Background(), "a", "b")
+
+	}()
+	f(nil, nil)
+}