for _, f := range t.Fields() {
		if !IsComparable(f.Type) {
			return f
		}
	}
	return nil
}

// IsPaddedField reports whether the i'th field of struct type t is followed
// by padding.
func IsPaddedField(t *Type, i int) bool {
	if !t.IsStruct() {
		base.Fatalf("IsPaddedField called non-struct %v", t)
	}
	end := t.width
	if i+1 < t.NumFields() {
		end = t.Field(i + 1).Offset
	}

	} else {
		for i, f := range fields {
			a := f.Type.alg
			switch a {
			case ANOEQ, ANOALG:
			case AMEM:
				// Blank fields and padded fields need a special compare.
				if f.Sym.IsBlank() || IsPaddedField(t, i) {
					a = ASPECIAL
				}
			default:
				// Fields with non-memory equality need a special compare.
				a = ASPECIAL
			}
			t.setAlg(a)
		}
	}
	// Compute ptrBytes.

				field := t.Field(i)
				if field.Name == "_" || !isRegularMemory(field.Type) || isPaddedField(t, i) {
					return false
				}
			}
			return true
		}
	}
	return false
}

// isPaddedField reports whether the i'th field of struct type t is followed
// by padding.
func isPaddedField(t Type, i int) bool {
	field := t.Field(i)
	if i+1 < t.NumField() {