On Sat, 23 Aug 2025 01:46:14 GMT, Chen Liang <li...@openjdk.org> wrote:
> A previous cleanup #14642 accidentally omitted the fact that an > `Array.newInstance` call in `BytecodeDescriptor::parseSig` is intended to > propagate `IllegalArgumentException` to > `MethodType::fromMethodDescriptorString`. This bug is discovered in a recent > cleanup for `BytecodeDescriptor` in #24978. > > Instead of restoring the original `newInstance` call, this patch catches the > `UnsupportedOperationException` thrown by `Class::arrayType` to because the > cause IAE thrown by `newInstance` has no message at all. The existing > reporting system in `BytecodeDescriptor::parseMethod` includes the whole > malformed descriptor string in the error message, which can be triggered by > returning `null` in `parseSig`. This pull request has now been integrated. Changeset: 1d53ac30 Author: Chen Liang <li...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/1d53ac30f1db88df9a97b63b3ff56d26975d3a57 Stats: 32 lines in 2 files changed: 28 ins; 0 del; 4 mod 8366028: MethodType::fromMethodDescriptorString should not throw UnsupportedOperationException for invalid descriptors Reviewed-by: jvernee ------------- PR: https://git.openjdk.org/jdk/pull/26909
