On Wed, 5 Jun 2024 12:39:13 GMT, Chen Liang <li...@openjdk.org> wrote:

>> Adam Sotona has updated the pull request incrementally with one additional 
>> commit since the last revision:
>> 
>>   An assortment of potential improvements
>>   
>>   Co-authored-by: Claes Redestad <redes...@openjdk.org>
>
> src/java.base/share/classes/java/lang/constant/ConstantDescs.java line 356:
> 
>> 354:         ClassDesc[] fullParamTypes = new ClassDesc[paramTypes.length + 
>> prefixLen];
>> 355:         System.arraycopy(INDY_BOOTSTRAP_ARGS, 0, fullParamTypes, 0, 
>> prefixLen);
>> 356:         System.arraycopy(paramTypes, 0, fullParamTypes, prefixLen, 
>> paramTypes.length);
> 
> I'm thinking about creating a basic MethodTypeDesc like `INDY_BOOTSTRAP_TYPE 
> = MethodTypeDesc.ofValidated(CD_Object, INDY_BOOTSTRAP_ARGS)`, and we derive 
> bsm with 
> 
> INDY_BOOTSTRAP_TYPE
>     .insertParameterTypes(INDY_BOOTSTRAP_TYPE.parameterCount(), paramTypes)
>     .changeReturnType(returnType)
> 
> which creates two MTD wrappers but they share the same parameter array

That'd arguably be a bit cleaner. Might allocate an extra MTD (unless/until EA 
kicks in), but that might not matter really.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/19410#discussion_r1630868455

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