=== tests/cases/compiler/castExpressionParentheses.ts ===
declare var a;
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

// parentheses should be omitted
// literals
(<any>{a:0});  
>a : Symbol(a, Decl(castExpressionParentheses.ts, 4, 7))

(<any>[1,3,]); 
(<any>"string"); 
(<any>23.0); 
(<any>/regexp/g); 
(<any>false); 
(<any>true); 
(<any>null); 
// names and dotted names
(<any>this); 
(<any>this.x); 
(<any>(<any>a).x);
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

(<any><any>a);
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

(<any>a[0]);
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

(<any>a.b["0"]);
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

(<any>a()).x;
>a : Symbol(a, Decl(castExpressionParentheses.ts, 0, 11))

declare var A;
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

// should keep the parentheses in emit
(<any>new A).foo; 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

(<any>typeof A).x; 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

(<any>-A).x; 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

new (<any>A());
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

(<Tany>()=> {})();
>Tany : Symbol(Tany, Decl(castExpressionParentheses.ts, 28, 2))

(<any>function foo() { })();
>foo : Symbol(foo, Decl(castExpressionParentheses.ts, 29, 6))

(<any><number><any>-A).x; 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

// nested cast, should keep one pair of parenthese
(<any><number>(<any>-A)).x; 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))

// nested parenthesized expression, should keep one pair of parenthese
(<any>(A)) 
>A : Symbol(A, Decl(castExpressionParentheses.ts, 21, 11))