let a1 // comment
 = 1;
let a12
// comment
 = 1;
let a2 /* comment */
 = 1;
let a22
/* comment */
 = 1;
let a3 /*
comment */
 = 1;
let a32
/*
comment */
 = 1;
let a4 = // comment
1;
let a42 =
// comment
1;
let a5 = /* comment */
1;
let a52 =
/* comment */
1;