continue
			}
			return n.Pos()
		// types
		// case *ArrayType:
		// case *SliceType:
		// case *DotsType:
		// case *StructType:
		// case *Field:
		// case *InterfaceType:
		// case *FuncType:
		// case *MapType:
		// case *ChanType:

		// statements
		// case *EmptyStmt:
		// case *LabeledStmt:
		// case *BlockStmt:
		// case *ExprStmt:
		case *SendStmt:
			m = n.Chan
		// case *DeclStmt:

	// The Scopes mapping does not contain an entry for the
	// function body ([*ast.BlockStmt]); the function's scope is
	// associated with the [*ast.FuncType].
	//
	// The following node types may appear in Scopes:
	//
	//     *syntax.File
	//     *syntax.FuncType
	//     *syntax.TypeDecl
	//     *syntax.BlockStmt
	//     *syntax.IfStmt
	//     *syntax.SwitchStmt
	//     *syntax.CaseClause

				}
			}
		})
	}
}

// TestFuncType tests that an ast.FuncType with a nil Params field
// can be printed (per go/ast specification). Test case for issue 3870.
func TestFuncType(t *testing.T) {
	src := &ast.File{
		Name: &ast.Ident{Name: "p"},
		Decls: []ast.Decl{
			&ast.FuncDecl{
				Name: &ast.Ident{Name: "f"},
				Type: &ast.FuncType{},
			},
		},
	}

	var buf bytes.Buffer

// inadvertently copy a lock, by checking whether
// its receiver, parameters, or return values
// are locks.
func checkCopyLocksFunc(pass *analysis.Pass, name string, recv *ast.FieldList, typ *ast.FuncType) {
	if recv != nil && len(recv.List) > 0 {
		expr := recv.List[0].Type
		if path := lockPath(pass.Pkg, pass.TypesInfo.Types[expr].Type, nil); path != nil {

			r := TypeExpr(f, pkg, t.Results().At(i).Type())
			if r == nil {
				return nil
			}
			returns = append(returns, &ast.Field{
				Type: r,
			})
		}
		return &ast.FuncType{
			Params: &ast.FieldList{
				List: params,
			},
			Results: &ast.FieldList{
				List: returns,
			},
		}
	case interface{ Obj() *types.TypeName }: // *types.{Alias,Named,TypeParam}

	switch decodetypeKind(arch, p) {
	case abi.Struct: // reflect.structType
		off += 4 * arch.PtrSize
	case abi.Pointer: // reflect.ptrType
		off += arch.PtrSize
	case abi.Func: // reflect.funcType
		off += arch.PtrSize // 4 bytes, pointer aligned
	case abi.Slice: // reflect.sliceType
		off += arch.PtrSize
	case abi.Array: // reflect.arrayType
		off += 3 * arch.PtrSize
	case abi.Chan: // reflect.chanType

			removefinalizer(e.data)
		})
		return
	}

	if ftyp.Kind_&abi.KindMask != abi.Func {
		throw("runtime.SetFinalizer: second argument is " + toRType(ftyp).string() + ", not a function")
	}
	ft := (*functype)(unsafe.Pointer(ftyp))
	if ft.IsVariadic() {
		throw("runtime.SetFinalizer: cannot pass " + toRType(etyp).string() + " to finalizer " + toRType(ftyp).string() + " because dotdotdot")
	}
	if ft.InCount != 1 {