runtime: [NativeAOT] Crash during gen1 GC

I’ve been contributing to NativeAOT port on game consoles by @TheSpydog . With our current project, we are receiving a crash during gen1 GC using .NET 7 preview 7 on an ARM64 platform.

	Bootstrap.nss!WKS::WaitLonger(int i) Line 1490 (0x33B9216E00)	C++
 	Bootstrap.nss!WKS::gc_heap::background_mark_phase() Line 34085 (0x33B922AB10)	C++
 	Bootstrap.nss!WKS::gc_heap::gc1() Line 20663 (0x33B9229830)	C++
 	Bootstrap.nss!WKS::gc_heap::bgc_thread_function() Line 35184 (0x33B92402F8)	C++

We’re unsure if this is an upstream issue or perhaps a misconfiguration of NativeAOT on our side. I’ve included the info that I was able to find below. Any additional pointers to help diagnose further would be much appreciated.

IsCurrentThreadInCooperativeMode is returning false, triggering the assert in WaitLonger(int i).

bool Thread::IsCurrentThreadInCooperativeMode()
{
#ifndef DACCESS_COMPILE
    ASSERT(ThreadStore::GetCurrentThread() == this);
#endif // !DACCESS_COMPILE
    return (m_pTransitionFrame == NULL);
}

I think the issue is related to volatile read/write of m_pTransitionFrame in thread.cpp.

void Thread::EnablePreemptiveMode()
{
    ASSERT(ThreadStore::GetCurrentThread() == this);
#if !defined(HOST_WASM)
    ASSERT(m_pDeferredTransitionFrame != NULL);
#endif

    Unhijack();

    // set preemptive mode
    VolatileStoreWithoutBarrier(&m_pTransitionFrame, m_pDeferredTransitionFrame);
}