idx = s.newValue2(mul, typs.Uintptr, idx, s.uintptrConstant(uint64(3*s.config.PtrSize)))
			e := s.newValue2(ssa.OpAddPtr, typs.UintptrPtr, entries, idx)
			//   hash++
			s.vars[hashVar] = s.newValue2(add, typs.Uintptr, s.variable(hashVar, typs.Uintptr), s.uintptrConstant(1))

			// Look for a cache hit.
			//   if e.Typ == t { goto hit }

        mergeSpec.eachEntry {ManifestMergeDetails details ->
            if (details.getKey() == 'key2') {
                details.setValue('newValue2')
            }
        }

        expect:
        mergeSpec.merge(baseManifest, Mock(FileResolver)).attributes == [key1: 'value1', key2: 'newValue2'] + MANIFEST_VERSION_MAP
    }

    def mergeWithActionOnSection() {

	s := b.Func.ConstInt64(types.Types[types.TUINT64], shift)
	size := v.Type.Size()
	switch size {
	case 8:
		return b.NewValue2(pos, OpLsh64x64, v.Type, v, s)
	case 4:
		return b.NewValue2(pos, OpLsh32x64, v.Type, v, s)
	case 2:
		return b.NewValue2(pos, OpLsh16x64, v.Type, v, s)
	default:
		base.Fatalf("bad size %d\n", size)
		return nil
	}
}

            `),
			RootObject: mustUnstructured(`
                foo:
                - key: key1
                  bar: value1
                - key: key2
                  bar: newValue2
            `),
			RootOldObject: mustUnstructured(`
                foo:
                - key: key1
                  bar: value1
                - key: key2
                  bar: value2

		}

		// set up control flow for write barrier test
		// load word, test word, avoiding partial register write from load byte.
		cfgtypes := &f.Config.Types
		flag := b.NewValue2(pos, OpLoad, cfgtypes.UInt32, wbaddr, mem)
		flag = b.NewValue2(pos, OpNeq32, cfgtypes.Bool, flag, const0)
		b.Kind = BlockIf
		b.SetControl(flag)
		b.Likely = BranchUnlikely
		b.Succs = b.Succs[:0]
		b.AddEdgeTo(bThen)
		b.AddEdgeTo(bEnd)

		cmpOp := OpLess64U
		if pt.Size() == 4 {
			cmpOp = OpLess32U
		}
		limaddr := test.NewValue1I(bb.Pos, OpOffPtr, pt, 2*pt.Size(), g)
		lim := test.NewValue2(bb.Pos, OpLoad, pt, limaddr, mem0)
		cmp := test.NewValue2(bb.Pos, cmpOp, cfgtypes.Bool, sp, lim)
		test.SetControl(cmp)

		// if true, goto sched
		test.AddEdgeTo(sched)

		// if false, rewrite edge to header.

	v := b.Func.newValue(op, t, b, pos)
	v.AuxInt = auxint
	v.Aux = aux
	v.Args = v.argstorage[:1]
	v.argstorage[0] = arg
	arg.Uses++
	return v
}

// NewValue2 returns a new value in the block with two arguments and zero aux values.
func (b *Block) NewValue2(pos src.XPos, op Op, t *types.Type, arg0, arg1 *Value) *Value {
	v := b.Func.newValue(op, t, b, pos)
	v.AuxInt = 0
	v.Args = v.argstorage[:2]
	v.argstorage[0] = arg0

			newObj: mustUnstructured(`
				subField:
					apiVersion: v2
					kind: Baz
					otherField: newValue
				list:	
				- name: entry1
				  apiVersion: v2
				  kind: Baz
				  otherField: newValue2
				- name: entry2
				  apiVersion: v3
				  kind: Bar
				  otherField: newValue3
			`),
			warnings: []string{
				`root.subField.apiVersion: Invalid value: "string": failed rule: self == "v1"`,