On Tue, 24 Mar 2026 15:07:40 GMT, Coleen Phillimore <[email protected]> wrote:
>> Please review this change to fix GenerateOopMap to not report an unreachable >> bytecode for async exception handling and for the first bytecode in an >> exception catch clause. The first change will generate a safepoint entry >> that doesn't allow async exceptions for bytecodes that cannot trap. The >> second change creates an exception edge for the first bytecode in an >> exception catch clause whether it can trap or not. >> This also adds a GenerateOopMapALot at safeopints to test interpreter oopmap >> generation. Tested JCKs with this option. >> Thanks to @tkrodriguez for the kill003 test. >> Also tested tier1-8. > > Coleen Phillimore has updated the pull request with a new target base due to > a merge or a rebase. The pull request now contains 14 commits: > > - Merge branch 'master' into kill001 > - Fix copyrights and extraneous diffs > - Add a bit of logging for GenerateOopMapALot. > - Restored special aload, return, monitorexit cases in do_exception_edge. > Make them exceptions from async exception delivery instead. > - Remove monitorenter, monitorexit from do_exception_edge since they can > have exceptions, and turn off GenerateOopMapALot again. > - Generate safepoint checks with and without allowing async exceptions a > different way. Also include the breakpoint code. > - Merge branch 'master' into kill001 > - GenerateOopMapALot at all safepoints even ones that cannot throw async > exceptions. > - Add some comments and fix the test. > - Update test/hotspot/jtreg/vmTestbase/nsk/jdb/kill/kill003/kill003a.java > > Co-authored-by: Joel Sikström <[email protected]> > - ... and 4 more: https://git.openjdk.org/jdk/compare/90eebaa3...c2ce4272 This change is causing the test failure in java/foreign/TestHandshake.java on windows (or rather makes it more likely), see JDK-8364167. ------------- PR Comment: https://git.openjdk.org/jdk/pull/30171#issuecomment-4126100950
