On Wed, 15 Dec 2021 05:59:45 GMT, Vladimir Kozlov <[email protected]> wrote:
> A proper fix for this is to use the catchException combination. However, that > introduces significant cold startup performance regression. JDK-8278447 > tracks the work to address the performance regression using catchException > and asSpreader combinator. It may require significant work and refactoring > which is risky for JDK 18. > > It is proposed to implement a workaround in C2 to white list the relevant > methods (all methods in sun.invoke.util.ValueConversions class) not to omit > stack trace when exception is thrown in them. > > Added new regression test. Tested tier1-3. This pull request has now been integrated. Changeset: d3408a46 Author: Vladimir Kozlov <[email protected]> URL: https://git.openjdk.java.net/jdk18/commit/d3408a46b7c8c2f8b5e41f3e286a497064a2c104 Stats: 149 lines in 7 files changed: 147 ins; 1 del; 1 mod 8277964: ClassCastException with no stack trace is thrown with -Xcomp in method handle invocation Reviewed-by: dlong, mchung, dholmes ------------- PR: https://git.openjdk.java.net/jdk18/pull/27
