[PATCH v2 0/6] MR2435: Fix activation context switching from SwitchToFiber().

[Jinoh Kang (＠iamahuman)]

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  v2: kernelbase: Implement activation context switching for fibers.
      ntdll: Implement RtlFreeActivationContextStack().
      ntdll: Use ActivationContextStackPointer instead of referencing ActivationContextStack directly.
      ntdll: Store current activation context stack pointer into a local variable.
      ntdll: Factor out reading current activation context into a helper function.
      kernel32/tests: Test for activation context switching between fibers.

https://gitlab.winehq.org/wine/wine/-/merge_requests/2435