switch n := n.(type) {
		case *ast.ValueSpec:
			// rewrite type Typ = [...]Type{...} to type Typ = []Type{...}
			if len(n.Names) == 1 && n.Names[0].Name == "Typ" && len(n.Values) == 1 {
				n.Values[0].(*ast.CompositeLit).Type.(*ast.ArrayType).Len = nil
				return false
			}
		}
		return true
	})
}

// fixSprintf adds an extra nil argument for the *token.FileSet parameter in sprintf calls.

		return
	}

	op := e.Op
	switch op {
	case token.AND:
		// spec: "As an exception to the addressability
		// requirement x may also be a composite literal."
		if _, ok := ast.Unparen(e.X).(*ast.CompositeLit); !ok && x.mode != variable {
			check.errorf(x, UnaddressableOperand, invalidOp+"cannot take address of %s", x)
			x.mode = invalid
			return
		}
		x.mode = value
		x.typ = &Pointer{base: x.typ}
		return

		return
	}

	op := e.Op
	switch op {
	case syntax.And:
		// spec: "As an exception to the addressability
		// requirement x may also be a composite literal."
		if _, ok := syntax.Unparen(e.X).(*syntax.CompositeLit); !ok && x.mode != variable {
			check.errorf(x, UnaddressableOperand, invalidOp+"cannot take address of %s", x)
			x.mode = invalid
			return
		}
		x.mode = value
		x.typ = &Pointer{base: x.typ}
		return

		panic(err)
	}

	// Replace the result with call(), which is on the next line.
	fd := file.Decls[0].(*ast.FuncDecl)
	ret := fd.Body.List[0].(*ast.ReturnStmt)
	ret.Results[0] = ret.Results[0].(*ast.CompositeLit).Elts[0]

	var buf bytes.Buffer
	if err := Fprint(&buf, fset, ret); err != nil {
		t.Fatal(err)
	}
	want := "return call()"
	if got := buf.String(); got != want {

		{"CommentGroup", Type, 0},
		{"CommentGroup.List", Field, 0},
		{"CommentMap", Type, 1},
		{"CompositeLit", Type, 0},
		{"CompositeLit.Elts", Field, 0},
		{"CompositeLit.Incomplete", Field, 11},
		{"CompositeLit.Lbrace", Field, 0},
		{"CompositeLit.Rbrace", Field, 0},
		{"CompositeLit.Type", Field, 0},
		{"Con", Const, 0},
		{"Decl", Type, 0},
		{"DeclStmt", Type, 0},

		}

		// test type of composite literal expression
		rhs := f.DeclList[0].(*syntax.VarDecl).Values
		cmptype(rhs, test.typ)

		// test type of composite literal type expression
		cmptype(rhs.(*syntax.CompositeLit).Type, test.typ)
	}
}

// TestObjectParents verifies that objects have parent scopes or not
// as specified by the Object interface.
func TestObjectParents(t *testing.T) {
	const src = `

		rhs := f.Decls[0].(*ast.GenDecl).Specs[0].(*ast.ValueSpec).Values[0]
		cmptype(rhs, test.typ)

		// test type of composite literal type expression
		cmptype(rhs.(*ast.CompositeLit).Type, test.typ)
	}
}

// TestObjectParents verifies that objects have parent scopes or not
// as specified by the Object interface.
func TestObjectParents(t *testing.T) {
	const src = `

operand only on the left-hand side of an <a href="#Assignments">assignment</a>.
</p>

<pre class="ebnf">
Operand     = Literal | OperandName | "(" Expression ")" .
Literal     = BasicLit | CompositeLit | FunctionLit .
BasicLit    = int_lit | float_lit | imaginary_lit | rune_lit | string_lit .
OperandName = identifier | QualifiedIdent .
</pre>

<h3 id="Qualified_identifiers">Qualified identifiers</h3>

<a href="#Function_declarations">function</a>,
or a parenthesized expression.
</p>

<pre class="ebnf">
Operand     = Literal | OperandName [ TypeArgs ] | "(" Expression ")" .
Literal     = BasicLit | CompositeLit | FunctionLit .
BasicLit    = int_lit | float_lit | imaginary_lit | rune_lit | string_lit .
OperandName = identifier | QualifiedIdent .
</pre>

<p>