503648 - TM: Different values with testcase containing for...each, const

Status: RESOLVED DUPLICATE of bug 503818

(Core :: JavaScript Engine, defect)

Description

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

v = 0
let(f = function (g) {
    for each(let h in g) {
        const c = (h -= (function () {
            for each(var d in ['']) {
                print('' + (h))
            }
        })(v))
    }
}) {
    f([0, '', 1e81, '', '', ''])
}


Note the extra NaN in the JIT output.

=====

$ ~/Desktop/tm-30032-c8489ee35bb2/js-opt-tm-intelmac 
js> v = 0
0
js> let(f = function (g) {
    for each(let h in g) {
        const c = (h -= (function () {
            for each(var d in ['']) {
                print('' + (h))
            }
        })(v))
    }
}) {
    f([0, '', 1e81, '', '', ''])
}
0

1e+81



js> 

$ ~/Desktop/tm-30032-c8489ee35bb2/js-opt-tm-intelmac -j
js> v = 0
0
js> let(f = function (g) {
    for each(let h in g) {
        const c = (h -= (function () {
            for each(var d in ['']) {
                print('' + (h))
            }
        })(v))
    }
}) {
    f([0, '', 1e81, '', '', ''])
}
0

1e+81


NaN
js>

Comment 1

[David Mandelin [:dmandelin]]

Appears to be a dup of bug 503818 based on program form, bug behavior. Also appears to be fixed on tip.

Comment 2

[Damon Sicore (:damons)]

Clearing the nom flag as this is a dup of a blocker.

Comment 3

[Christian Holler (:decoder)]

Bug in removed tracer code, setting in-testsuite- flag.