On Tue, 7 Nov 2023 02:30:55 GMT, Chen Liang <li...@openjdk.org> wrote:
>> `jdk.lambda.vm.InterfaceAccessFlagsTest` uses `ClassToInterfaceConverter` to >> mechanically convert a classfile for a Class into an in-memory class >> representation of an equivalent Interface. `testPrivateMethodCall` tests >> to invoke a private method. Before nestmates, invoking a private class >> method and a private interface method both use `Invokespecial`. With the >> nestmate changes, the class uses `invokevirtual` but the interface must use >> `invokeinterface` but this conversion is not handled by the existing >> `ClassToInterfaceConverter`. >> >> This fix converts `ClassToInterfaceConverter` to use the Class-File API to >> properly convert a classfile from a class to an interface including method >> invocation from `invokevirtual` to `invokeinterface`. The old custom >> bytecode manipulation code can be dropped. > > test/jdk/jdk/lambda/separate/ClassToInterfaceConverter.java line 43: > >> 41: for (ClassElement ce : classModel) { >> 42: if (ce instanceof AccessFlags accessFlags) { >> 43: classBuilder.withFlags(0x0601); // >> ACC_INTERFACE | ACC_ABSTRACT | ACC_PUBLIC); > > We can just use `withFlags(Classfile.ACC_INTERFACE | Classfile.ACC_ABSTRACT | > Classfile.ACC_PUBLIC)` as it's a constant expression and inlined by javac. > And the `accessFlags` variable above appears unused. I have same thought too. I have that changed in my local repo but not have the chance to push it. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/16526#discussion_r1384326189