=== tests/cases/compiler/propertyAccess7.ts ===
var foo: string;
>foo : Symbol(foo, Decl(propertyAccess7.ts, 0, 3))

foo.toUpperCase();
>foo.toUpperCase : Symbol(String.toUpperCase, Decl(lib.d.ts, 405, 32))
>foo : Symbol(foo, Decl(propertyAccess7.ts, 0, 3))
>toUpperCase : Symbol(String.toUpperCase, Decl(lib.d.ts, 405, 32))