tweakSvc: func(s *core.Service) {
				s.Spec.IPFamilyPolicy = &singleStack
				s.Spec.IPFamilies = []core.IPFamily{core.IPv4Protocol, core.IPv6Protocol}
			},
			numErrs: 0, // this validated in alloc code.
		}, {
			name: "valid, IPFamilyPolicy(preferDualStack) is set for two families (note: alloc sets families)",
			tweakSvc: func(s *core.Service) {
				s.Spec.IPFamilyPolicy = &preferDualStack

// Code generated from _gen/ARM64.rules using 'go generate'; DO NOT EDIT.

package ssa

import "cmd/compile/internal/types"

func rewriteValueARM64(v *Value) bool {
	switch v.Op {
	case OpARM64ADCSflags:
		return rewriteValueARM64_OpARM64ADCSflags(v)
	case OpARM64ADD:
		return rewriteValueARM64_OpARM64ADD(v)
	case OpARM64ADDSflags:
		return rewriteValueARM64_OpARM64ADDSflags(v)
	case OpARM64ADDconst:

// Code generated from _gen/AMD64.rules using 'go generate'; DO NOT EDIT.

package ssa

import "internal/buildcfg"
import "math"
import "cmd/internal/obj"
import "cmd/compile/internal/types"

func rewriteValueAMD64(v *Value) bool {
	switch v.Op {
	case OpAMD64ADCQ:
		return rewriteValueAMD64_OpAMD64ADCQ(v)
	case OpAMD64ADCQconst:
		return rewriteValueAMD64_OpAMD64ADCQconst(v)
	case OpAMD64ADDL:
		return rewriteValueAMD64_OpAMD64ADDL(v)

// Code generated from _gen/generic.rules using 'go generate'; DO NOT EDIT.

package ssa

import "math"
import "cmd/internal/obj"
import "cmd/compile/internal/types"
import "cmd/compile/internal/ir"

func rewriteValuegeneric(v *Value) bool {
	switch v.Op {
	case OpAdd16:
		return rewriteValuegeneric_OpAdd16(v)
	case OpAdd32:
		return rewriteValuegeneric_OpAdd32(v)
	case OpAdd32F:
		return rewriteValuegeneric_OpAdd32F(v)