Mercurial > hg > graal-jvmci-8
diff src/share/vm/jvmci/jvmciRuntime.cpp @ 23745:a074ae16281d
backport of JDK-8164480
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Fri, 26 Aug 2016 17:49:18 +0200 |
parents | 1b939a613788 |
children | b1b5c71c04b7 |
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--- a/src/share/vm/jvmci/jvmciRuntime.cpp Wed Aug 24 22:31:34 2016 +0200 +++ b/src/share/vm/jvmci/jvmciRuntime.cpp Fri Aug 26 17:49:18 2016 +0200 @@ -305,13 +305,19 @@ // normal bytecode execution. thread->clear_exception_oop_and_pc(); - continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false); + bool recursive_exception = false; + continuation = SharedRuntime::compute_compiled_exc_handler(nm, pc, exception, false, false, recursive_exception); // If an exception was thrown during exception dispatch, the exception oop may have changed thread->set_exception_oop(exception()); thread->set_exception_pc(pc); - // the exception cache is used only by non-implicit exceptions - if (continuation != NULL && !SharedRuntime::deopt_blob()->contains(continuation)) { + // The exception cache is used only for non-implicit exceptions + // Update the exception cache only when another exception did + // occur during the computation of the compiled exception handler + // (e.g., when loading the class of the catch type). + // Checking for exception oop equality is not + // sufficient because some exceptions are pre-allocated and reused. + if (continuation != NULL && !recursive_exception && !SharedRuntime::deopt_blob()->contains(continuation)) { nm->add_handler_for_exception_and_pc(exception, pc, continuation); } }