[x86/Linux] Random GC.Scenarios.BinTree.thdtree test failure

[parjong]

GC.Scenarios.BinTree.thdtree test randomly fails with the following assert:

Assert failure(PID 7963 [0x00001f1b], Thread: 7968 [0x1f20]): IsAddressInStack(esb->m_ppvRetAddrPtr)
    File: /home/parjong/projects/dotnet/coreclr/src/vm/threadsuspend.cpp Line: 6912
    Image: /home/parjong/projects/dotnet/dotnet-overlay/Linux.x86.Debug.Debug/corerun

[parjong]

dotnet/coreclr#9436 resolves the above assertion failure, but Core CLR sometimes falls into segfault.