Hi Remi,

w/ SymbolTable::get being private method _and_ SymbolTable being final class, 
it doesn't sound like the easiest way ;) w/ that being said, I haven't looked 
at the latest version of ASM, so there might be ways to get that we need.

Thanks,
-- Igor

> On Nov 9, 2018, at 11:33 AM, Remi Forax <fo...@univ-mlv.fr> wrote:
> 
> Hi Igor,
> sorry to have not answered to your mail :(
> 
> I believe that the easiest way to disable the caching of the entries of the 
> constant pool in ASM is to change SymbolTable.get() [1] to always return null.
> 
> regards,
> Rémi
> 
> [1] 
> https://gitlab.ow2.org/asm/asm/blob/master/asm/src/main/java/org/objectweb/asm/SymbolTable.java#L393
> 
> ----- Mail original -----
>> De: "Igor Ignatyev" <igor.ignat...@oracle.com>
>> À: "Vicente Romero" <vicente.rom...@oracle.com>, "Alan Bateman" 
>> <alan.bate...@oracle.com>
>> Cc: "hotspot-dev" <hotspot-...@openjdk.java.net>, "core-libs-dev" 
>> <core-libs-dev@openjdk.java.net>
>> Envoyé: Vendredi 9 Novembre 2018 17:25:49
>> Objet: Re: RFR: JDK-8213480: update internal ASM version to 7.0
> 
>> Vicente, Alan,
>> 
>> back when we 1st bumped into this problem w/ ClassWriterExt (about 1y ago), 
>> it
>> was my AI to discuss it w/ Remi. I sent him an email, didn't get a replay, 
>> and
>> as it usually goes, had to switch to something else, completely forgot about
>> that and didn't follow up.
>> 
>> Thanks,
>> -- Igor
>> 
>>> On Nov 8, 2018, at 8:40 AM, Vicente Romero <vicente.rom...@oracle.com> 
>>> wrote:
>>> 
>>> 
>>> 
>>> On 11/8/18 8:14 AM, Alan Bateman wrote:
>>>> On 07/11/2018 19:33, Igor Ignatyev wrote:
>>>>> Hi Vicente,
>>>>> 
>>>>> I recall an (internal?) discussion about updating ASM somewhen in JDK 
>>>>> 11TF, and
>>>>> AFAIR it was decided not to update ASM b/c nothing in JDK needs that, has 
>>>>> it
>>>>> been changed? put somewhat differently, why are we doing this?
>>>>> 
>>>>> in any case, I don't like the changes in mlvm tests. I understand that
>>>>> ClassWriter has been significantly changed in ASM 7.0, so ClassWriterExt 
>>>>> can't
>>>>> disable CP entries caching (at least not in the way it used to), but 
>>>>> removing
>>>>> setCache* calls from the tests changed them and in some cases made them 
>>>>> invalid
>>>>> as they don't test that they supposed to. therefore I'd prefer to leave 
>>>>> all
>>>>> calls setCache* as-is, change setCache* implementation to throw an 
>>>>> exception
>>>>> (similarly to the fix in JDK-8194826
>>>>> <https://bugs.openjdk.java.net/browse/JDK-8194826>) and mark all tests 
>>>>> which
>>>>> throw this exception w/ '@ignore 8194951' jtreg tag.
>>>>> 
>>>>> 
>>>> ClassWriterExt the MLVM tests have come in previous upgrades too. Has 
>>>> there been
>>>> any discussion Remi or others on ASM to make it easier for the JDK to 
>>>> upgrade?
>>> 
>>> I'm not aware of any such discussions.
>>> 
>>>> 
>>>> -Alan
>>> 
>>> Vicente

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