On Wed, 8 Nov 2023 00:30:05 GMT, Chen Liang <li...@openjdk.org> wrote:
>> Mandy Chung has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Simplify the transformation code and easier to read
>
> test/jdk/jdk/lambda/separate/ClassToInterfaceConverter.java line 43:
>
>> 41: // convert it to invokeinterface
>> 42: CodeTransform ct = (b, e) -> {
>> 43: if (e instanceof InvokeInstruction i && i.owner() ==
>> classModel.thisClass()) {
>
> Suggestion:
>
> if (e instanceof InvokeInstruction i &&
> i.owner().equals(classModel.thisClass())) {
>
> `ClassDesc` has to be compared by equality. This piece of code works
> accidentally due to Classfile API caching descriptor in CP objects, but if
> the `ClassDesc` is from a `DynamicConstantDesc`, then it breaks.
`owner()` returns `ClassEntry` not `ClassDesc`.
This is to compare the owner is `this_class`, i.e. `MethodRef` references a
method in this class. This breaks only if the compiled code has multiple
`CONSTANT_Class_info` entries pointing to the same name of this class.
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/16526#discussion_r1385873267
