RFR (M): 8145435: [JVMCI] some tests on Windows fail with: assert(!thread->is_Java_thread()) failed: must not be java thread

[Christian Thalinger]

[Adding Tom]

> On Dec 15, 2015, at 10:54 AM, Christian Thalinger <christian.thalinger at oracle.com> wrote:
> 
> https://bugs.openjdk.java.net/browse/JDK-8145435
> http://cr.openjdk.java.net/~twisti/8145435/webrev/
> 
> The actual fix for the problem is passing true to os::sleep:
> 
> +  const bool interruptible = true;
> +  os::sleep(THREAD, 200, interruptible);
> 
> since compiler threads are Java threads but I fixed a couple more things...
> 
> First, I’ve added the same assert to os_posix.cpp:
> 
> http://cr.openjdk.java.net/~twisti/8145435/webrev/src/os/posix/vm/os_posix.cpp.udiff.html
> 
> because it’s odd to only hit this assert on Windows:
> 
> Additionally I’ve changed the way we handle an exception in before_exit:
> 
> http://cr.openjdk.java.net/~twisti/8145435/webrev/src/share/vm/runtime/java.cpp.udiff.html
> 
> and moved abort_on_pending_exception into JVMCICompiler and made it private.  It’s used for one thing only now.
> 
> Finally I replaced JVMCIRuntime::call_printStackTrace with calls to java_lang_Throwable::print_stack_trace.