355980 - Round-trip change with if(1) { function declaration }

Status: RESOLVED WORKSFORME

(Core :: JavaScript Engine, defect)

Description

[Jesse Ruderman]

js> f = function() { if(1) {x; function x() { } } }
function () {
    x;

    function x() {
    }

}

js> eval("" + f)                                    
function () {

    function x() {
    }

}

Related to bug 353017?

Comment 1

[Jesse Ruderman]

This can cause compilation errors:

js> f = (function(){ if(1) { function x(){} } const x; })
function () {

    function x() {
    }

    const x;
}
js> eval(uneval(f))
typein:8: TypeError: redeclaration of function x:
typein:8: const x;})
typein:8: ......^

Comment 2

[Luke Wagner [:luke]]

Fixed by saving the source.