RFR: 8262134: compiler/uncommontrap/TestDeoptOOM.java failed with "guarantee(false) failed: wrong number of expression stack elements during deopt"

[Igor Veresov]

On Wed, 8 Dec 2021 23:49:25 GMT, Dean Long <dlong at openjdk.org> wrote:

> C1 patching stubs use the Unpack_reexecute deoptimization type, but if an exception is thrown, that information is lost, causing the VerifyStack logic to fail.  Rather than relaxing the VerifyStack logic to accept Unpack_exception in this case, this change sets the reexecute flag on the patch stub call site.

Have you run tier7 where is it does -XX:DeoptimizeALot ?

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PR: https://git.openjdk.java.net/jdk/pull/6776