[lldb] [llvm] [lldb-dap] Add multi-session support with shared debugger instances (PR #163653)

[Janet Yang via llvm-commits]

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qxy11 wrote:

This didn't end up working here and we may need to keep this intentional leak due to issues w/ the destructor chain. It seemed to cause DAP to hang since the ManagedStatic seemed to try to destroy the DAPSessionManager and some resources may have already been cleaned up by LLDB termination. 

https://github.com/llvm/llvm-project/pull/163653