TypeScript drops inline comments on simple assignment expressions

[mprobst]

TypeScript Version: 2.0.3 / nightly (2.1.0-dev.201xxxxx)
$ tsc --version
Version 2.0.8

Code

let x = /* foo */ (1);
let y = /* foo */ 1;
let z = 1 /* foo */;

Expected behavior:

var x = /* foo */ (1);
var y = /* foo */ 1;
var z = 1 /* foo */;

Actual behavior:

var x = (1);
var y = 1;
var z = 1;

This is not a huge problem for most user code, but in tsickle we're adding comments that represent Closure Compiler casts for type assertions, e.g.:

let x = /** @type {string} */ (someExpr);

Which this behaviour breaks.

[mprobst]

Actually a duplicate of #9873