461457 - Decompiler moves parentheses around in let-expression

Status: RESOLVED DUPLICATE of bug 382400

(Core :: JavaScript Engine, defect)

Description

[Jason Orendorff [:jorendorff]]

This bug predates the recent rash of decompiler bugs in TM.

js> f1 = function (b) let (b=2) (b, b)
function (b) (let (b = 2) b, b)
js> f2 = function (b) (let (b = 2) b, b)  // parroting that back
function (b) ((let (b = 2) b), b)

Note that the parentheses are significant:

js> f1(3)
2
js> f2(3)
3

Comment 1

[Jason Orendorff [:jorendorff]]

Here are the cases I'd like to test:

js> (function () (a, b))
function () (a, b)
js> (function () a = b)
function () a = b
js> (function () let (a=0) a=3)
function () let (a = 0) a = 3
js> (function () let (a=0) (a, b))
function () let (a = 0) (a, b)
js> (function () [let (a = 0) x = y])
function () [let (a = 0) x = y]
js> (function () [let (a = 0) (x, y)])
function () [let (a = 0) (x, y)]
js> (function () [let (a = 0) x, let (b = 0) y]) 
function () [let (a = 0) x, let (b = 0) y]