if d.ctxt.Debugvlog > 1 {
					d.ctxt.Logf("reached iface method: %v\n", m)
				}
				d.ifaceMethod[m] = true
				continue
			case objabi.R_USENAMEDMETHOD:
				name := d.decodeGenericIfaceMethod(d.ldr, r.Sym())
				if d.ctxt.Debugvlog > 1 {
					d.ctxt.Logf("reached generic iface method: %s\n", name)
				}
				d.genericIfaceMethod[name] = true

	if runtime.Compiler != "gc" {
		t.Skip("skipping on non-gc compiler")
	}

	n := testing.AllocsPerRun(1, func() {
		_ = e == ts
		_ = i1 == ts
		_ = e == 1
	})

	if n > 0 {
		t.Fatalf("iface cmp allocs=%v; want 0", n)
	}
}

func BenchmarkEqEfaceConcrete(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_ = e == ts
	}
}

func BenchmarkEqIfaceConcrete(b *testing.B) {
	for i := 0; i < b.N; i++ {

		}
	}
}

const autotmpTypeSource = `
package main

type astruct struct {
	a, b int
}

func main() {
	var iface interface{} = map[string]astruct{}
	var iface2 interface{} = []astruct{}
	println(iface, iface2)
}
`

// TestGdbAutotmpTypes ensures that types of autotmp variables appear in .debug_info
// See bug #17830.
func TestGdbAutotmpTypes(t *testing.T) {

					//           (which will compare signatures exactly as we do below).
					//           We leave it as is for now because missingMethod provides
					//           a failure cause which allows for a better error message.
					//           Eventually, unify should return an error with cause.
					var cause string
					constraint := tpar.iface()

					//           (which will compare signatures exactly as we do below).
					//           We leave it as is for now because missingMethod provides
					//           a failure cause which allows for a better error message.
					//           Eventually, unify should return an error with cause.
					var cause string
					constraint := tpar.iface()

	if !sig.Variadic() {
		return nil // not variadic
	}

	params := sig.Params()
	nparams := params.Len() // variadic => nonzero

	args := params.At(nparams - 1)
	iface, ok := args.Type().(*types.Slice).Elem().(*types.Interface)
	if !ok || !iface.Empty() {
		return nil // final (args) param is not ...interface{}
	}

	// Is second last param 'format string'?
	var format *types.Var
	if nparams >= 2 {

	s.startBlock(bOk)
	if tmp == nil {
		if direct {
			s.vars[valVar] = s.newValue1(ssa.OpIData, dst, iface)
		} else {
			p := s.newValue1(ssa.OpIData, types.NewPtr(dst), iface)
			s.vars[valVar] = s.load(dst, p)
		}
	} else {
		p := s.newValue1(ssa.OpIData, types.NewPtr(dst), iface)
		s.move(dst, addr, p)
	}
	s.vars[okVar] = s.constBool(true)
	s.endBlock()
	bOk.AddEdgeTo(bEnd)

					ityp := (*interfacetype)(unsafe.Pointer(f.fint))
					// set up with empty interface
					(*eface)(r)._type = &f.ot.Type
					(*eface)(r).data = f.arg
					if len(ityp.Methods) != 0 {
						// convert to interface with methods
						// this conversion is guaranteed to succeed - we checked in SetFinalizer
						(*iface)(r).tab = assertE2I(ityp, (*eface)(r)._type)
					}
				default:
					throw("bad kind in runfinq")
				}

			if dashLast {
				// "--->" is invalid grammar. Make it "- -->"
				p.WriteByte(' ')
			}
			p.WriteString("-->")
			continue

		case fInnerXML:
			vf = indirect(vf)
			iface := vf.Interface()
			switch raw := iface.(type) {
			case []byte:
				p.Write(raw)
				continue
			case string:
				p.WriteString(raw)
				continue
			}

		case fElement, fElement | fAny:

	scanner := bufio.NewReader(input)
	for {
		line, err := scanner.ReadString('\n')
		if err == io.EOF {
			break
		}
		//ignore the headers in the route info
		if strings.HasPrefix(line, "Iface") {
			continue
		}
		fields := strings.Fields(line)
		// Interested in fields:
		//  0 - interface name
		//  1 - destination address
		//  2 - gateway
		dest, err := parseIP(fields[1], familyIPv4)