On Thu, 13 Jun 2024 17:50:38 GMT, Chen Liang <li...@openjdk.org> wrote:
> Currently, javap crashes for class files that have set non-zero values for > undefined access flag bits, as > `java.lang.reflect.AccessFlag.maskToAccessFlag` and > `java.lang.classfile.AccessFlags.flags` fail. In contrast, the JVMS, though > asking for these bits to be set to 0, requires VM to proceed and ignore these > bits. javap should emulate the VM behavior and proceed rendering, ignoring > these undefined bits. > > In addition, a few bytecode generation utilities in the JDK set unused bits, > such as in > `java.lang.invoke.MethodHandleImpl.BindCaller#generateInvokerTemplate` and > `java.lang.invoke.GenerateJLIClassesHelper#generateCodeBytesForLFs`. Those > can be updated in a later cleanup. This pull request has now been integrated. Changeset: 7e55ed3b Author: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/7e55ed3b106ed08956d2d38b7c99fb81704667c9 Stats: 228 lines in 4 files changed: 168 ins; 44 del; 16 mod 8333748: javap crash - Fatal error: Unmatched bit position 0x2 for location CLASS Reviewed-by: asotona ------------- PR: https://git.openjdk.org/jdk/pull/19708
