case *md.Link:
			dprintf(depth, "Link:\n")
			dumpInlines(in.Inner, depth+1)
			dprintf(depth+1, "URL: %q\n", in.URL)
		case *md.Strong:
			dprintf(depth, "Strong(%q):\n", in.Marker)
			dumpInlines(in.Inner, depth+1)
		case *md.Emph:
			dprintf(depth, "Emph(%q):\n", in.Marker)
			dumpInlines(in.Inner, depth+1)
		case *md.Del:
			dprintf(depth, "Del(%q):\n", in.Marker)
			dumpInlines(in.Inner, depth+1)
		default:

	want0 := "mode: set"
	if lines[0] != want0 {
		dumplines(lines[0:10])
		t.Errorf("textfmt: want %s got %s", want0, lines[0])
	}
	want1 := mainPkgPath + "/prog1.go:13.14,15.2 1 1"
	if lines[1] != want1 {
		dumplines(lines[0:10])
		t.Errorf("textfmt: want %s got %s", want1, lines[1])
	}
}

func dumplines(lines []string) {
	for i := range lines {
		fmt.Fprintf(os.Stderr, "%s\n", lines[i])

				t.Fail()
			}
			files = files[1:]
		}
	}

	// Compare line tables.
	if !compareLines(t, got, want) {
		t.Log("Line tables do not match. Got:")
		dumpLines(t, got)
		t.Log("Want:")
		dumpLines(t, want)
		t.FailNow()
	}
}

func compareFiles(a, b []*LineFile) bool {
	if len(a) != len(b) {
		return false
	}
	for i := range a {
		if a[i] == nil && b[i] == nil {

var ssaDumpCFG string  // generate CFGs for these phases
const ssaDumpFile = "ssa.html"

// ssaDumpInlined holds all inlined functions when ssaDump contains a function name.
var ssaDumpInlined []*ir.Func

func DumpInline(fn *ir.Func) {
	if ssaDump != "" && ssaDump == ir.FuncName(fn) {
		ssaDumpInlined = append(ssaDumpInlined, fn)
	}
}

func InitEnv() {
	ssaDump = os.Getenv("GOSSAFUNC")
	ssaDir = os.Getenv("GOSSADIR")