On Mon, Nov 2, 2015 at 10:33 AM, Jakob Kummerow <jkumme...@chromium.org>
wrote:

> That should be 4.1, but you should really update to the latest stable
> version. All older (=outdated, unsupported) branches have known security
> bugs.
>
>
Thanks Jakob,
It looks like we'll have to update to node 4.2.1 in order to get these
updates. I appreciate the quick responses.

Matt



> On Mon, Nov 2, 2015 at 3:42 PM, Matt Broadstone <mbroa...@gmail.com>
> wrote:
>
>> Do you have any idea which version this was fixed in?
>>
>> Matt
>>
>> On Monday, November 2, 2015 at 4:25:51 AM UTC-5, Jakob Kummerow wrote:
>>>
>>> Correct. This has been fixed in the meantime, but 3.28 is too old.
>>>
>>> On Sun, Nov 1, 2015 at 9:39 PM, Matt Broadstone <mbro...@gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>>
>>>> I'm trying to track down an eager deoptimization in my node.js code,
>>>> and it seems to be directly related to a keyed lookup on an object using a
>>>> string. There is a comment on an issue from May (
>>>> https://code.google.com/p/v8/issues/detail?id=3183#c12) that seems to
>>>> indicate that the assumption is that keyed lookups are by number. Is that
>>>> the case? Is it not possible for me to optimize this method if I require a
>>>> keyed lookup by string?
>>>>
>>>> versions:
>>>>   node: v0.12.7
>>>>   v8: 3.28.71.19
>>>>
>>>> This is the stack for the triggered DEOPT, please let me know if
>>>> further information would help:
>>>>
>>>> [optimizing 0x2d3900bd1609 <JS Function Codec.encode
>>>> (SharedFunctionInfo 0x2d3900b27af9)> - took 0.820, 0.509, 0.214 ms]
>>>> [deoptimizing (DEOPT eager): begin 0x2d3900bd1609 Codec.encode (opt
>>>> #34) @40, FP to SP delta: 56]
>>>>             Deferred TaggedToI: NaN
>>>>   translating Codec.encode => node=136, height=24
>>>>     0x7fff5fbff0a0: [top + 80] <- 0x373656140201 ; [sp + 96]
>>>> 0x373656140201 <JS Object>
>>>>     0x7fff5fbff098: [top + 72] <- 0x331bd6004161 ; rbx 0x331bd6004161
>>>> <true>
>>>>     0x7fff5fbff090: [top + 64] <- 0x3736561487c1 ; [sp + 80]
>>>> 0x3736561487c1 <a BufferBuilder with map 0x28dbca62ad71>
>>>>     0x7fff5fbff088: [top + 56] <- 0xeb789d0f7f1 ; rdx 0xeb789d0f7f1
>>>> <String[7]: boolean>
>>>>     0x7fff5fbff080: [top + 48] <- 0x31a4d47f5f88 ; caller's pc
>>>>     0x7fff5fbff078: [top + 40] <- 0x7fff5fbff0e0 ; caller's fp
>>>>     0x7fff5fbff070: [top + 32] <- 0x2d3900b7d7f9; context
>>>>     0x7fff5fbff068: [top + 24] <- 0x2d3900bd1609; function
>>>>     0x7fff5fbff060: [top + 16] <- 0x331bd6004121 <undefined> ; literal
>>>>     0x7fff5fbff058: [top + 8] <- 0x331bd6004121 <undefined> ; literal
>>>>     0x7fff5fbff050: [top + 0] <- 0x331bd6004121 <undefined> ; literal
>>>> [deoptimizing (eager): end 0x2d3900bd1609 Codec.encode @40 => node=136,
>>>> pc=0x31a4d47f4edf, state=NO_REGISTERS, alignment=no padding, took 0.062 ms]
>>>> [deoptimizer unlinked: Codec.encode / 2d3900bd1609]
>>>>
>>>> Regards,
>>>> Matt
>>>>
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