=== tests/cases/compiler/b.ts ===
///<reference path='a.ts'/>
interface I3 {
>I3 : Symbol(I3, Decl(b.ts, 0, 0))
}
=== tests/cases/compiler/a.ts ===
/*! Keep this pinned comment */
interface I {
>I : Symbol(I, Decl(a.ts, 0, 0))
}

// Don't keep this comment.
interface I2 {
>I2 : Symbol(I2, Decl(a.ts, 2, 1))
}