p1.As = mov
	p1.From.Type = obj.TYPE_MEM
	p1.From.Sym = source.Sym
	p1.From.Name = obj.NAME_GOTREF
	p1.To.Type = obj.TYPE_REG
	p1.To.Reg = reg

	p2.As = p.As
	p2.From = p.From
	p2.To = p.To
	if from3 := p.GetFrom3(); from3 != nil {
		p2.AddRestSource(*from3)
	}
	if p.From.Name == obj.NAME_EXTERN {
		p2.From.Reg = reg
		p2.From.Name = obj.NAME_NONE
		p2.From.Sym = nil

	// to make the work arrays smaller and pointer-free.
	// fromID translates from ID to *Block where that is needed.
	fromID := f.Cache.allocBlockSlice(maxBlockID)
	defer f.Cache.freeBlockSlice(fromID)
	for _, v := range f.Blocks {
		fromID[v.ID] = v
	}
	idom := make([]*Block, maxBlockID)

	// Step 1. Carry out a depth first search of the problem graph. Number
	// the vertices from 1 to n as they are reached during the search.

	SYS_READLINKAT     = 322 // { ssize_t sys_readlinkat(int fd, const char *path, char *buf, size_t count); }
	SYS_RENAMEAT       = 323 // { int sys_renameat(int fromfd, const char *from, int tofd, const char *to); }
	SYS_SYMLINKAT      = 324 // { int sys_symlinkat(const char *path, int fd, const char *link); }
	SYS_UNLINKAT       = 325 // { int sys_unlinkat(int fd, const char *path, int flag); }

        e.cause.message == "At least one 'to' attribute must be provided."
    }

    def "fails when to attributes are not a subset of from attributes for registerTransform"() {
        when:
        registry.registerTransform(TestTransform) {
            it.from.attribute(TEST_ATTRIBUTE, "from")
            it.from.attribute(Attribute.of("from2", String), "from")

				ab.asmevex(ctxt, p, from, nil, to, kmask)
				ab.asmand(ctxt, cursym, p, from, to)
				ab.Put1(byte(imm.Offset))

			case Zevex_i_rm_v_r:
				imm, from, from3, to := unpackOps4(p)
				ab.evex = newEVEXBits(z, &o.op)
				ab.asmevex(ctxt, p, from, from3, to, nil)
				ab.asmand(ctxt, cursym, p, from, to)
				ab.Put1(byte(imm.Offset))

			case Zevex_i_rm_v_k_r:
				imm, from, from3, kmask, to := unpackOps5(p)

            val collection = files("abc")
            val froms = collection.from
            assert(froms.size == 1)
            assert(froms.first() == "abc")
        """
        file("groovy-dsl/build.gradle") << """
            def collection = files("abc")
            def froms = collection.from
            assert froms.size() == 1
            assert froms.first() == "abc"
        """
        expect:

	}

	loaded := make(map[uint64]bool)
	any := true
	for any {
		var load []uint64
		returnAllUndefs := -1
		undefs, froms := ctxt.loader.UndefinedRelocTargets(returnAllUndefs)
		if buildcfg.GOOS == "windows" {
			undefs, froms = pruneUndefsForWindows(ctxt.loader, undefs, froms)
		}
		for k, symIdx := range undefs {
			sname := ctxt.loader.SymName(symIdx)
			if off := armap[sname]; off != 0 && !loaded[off] {

	SYS_READLINKAT     = 322 // { ssize_t sys_readlinkat(int fd, const char *path, char *buf, size_t count); }
	SYS_RENAMEAT       = 323 // { int sys_renameat(int fromfd, const char *from, int tofd, const char *to); }
	SYS_SYMLINKAT      = 324 // { int sys_symlinkat(const char *path, int fd, const char *link); }
	SYS_UNLINKAT       = 325 // { int sys_unlinkat(int fd, const char *path, int flag); }

	SYS_READLINKAT     = 322 // { ssize_t sys_readlinkat(int fd, const char *path, char *buf, size_t count); }
	SYS_RENAMEAT       = 323 // { int sys_renameat(int fromfd, const char *from, int tofd, const char *to); }
	SYS_SYMLINKAT      = 324 // { int sys_symlinkat(const char *path, int fd, const char *link); }
	SYS_UNLINKAT       = 325 // { int sys_unlinkat(int fd, const char *path, int flag); }

}

func (el edgeList) Less(i, j int) bool {
	if el[i].Weight != el[j].Weight {
		return abs64(el[i].Weight) > abs64(el[j].Weight)
	}

	from1 := el[i].Src.Info.PrintableName()
	from2 := el[j].Src.Info.PrintableName()
	if from1 != from2 {
		return from1 < from2
	}

	to1 := el[i].Dest.Info.PrintableName()
	to2 := el[j].Dest.Info.PrintableName()

	return to1 < to2
}