Comments are lost between the lines

[vitaly-t]

Input:

var a = 'some'
    // comment
    + 'text';

var b = 'some'
    /* comment */
    + 'text';

Expected output:

var a = 'some'
    // comment
    + 'text';
var b = 'some'
    /* comment */
    + 'text';

Actual output:

var a = 'some'
    + 'text';
var b = 'some'
    + 'text';

TypeScript version: All.

NOTE: Flag removeComments has no effect in such cases.