ARM64EC: Spill EFlags when reconstructing state from in the JIT

Source/Windows/ARM64EC/Module.cpp

@@ -318,6 +318,10 @@ static void ReconstructThreadState(ARM64_NT_CONTEXT& Context) {
   for (size_t i = 0; i < Config.SRAFPRCount; i++) {
     memcpy(State.xmm.sse.data[i], &Context.V[Config.SRAFPRMapping[i]], sizeof(__uint128_t));
   }
+
+  // Spill EFlags
+  uint32_t EFlags = CTX->ReconstructCompactedEFLAGS(Thread, true, Context.X, Context.Cpsr);
+  CTX->SetFlagsFromCompactedEFLAGS(Thread, EFlags);
 }
 
 // Reconstructs an x64 context from the input context within the JIT, packed into a regular ARM64 context following the ARM64EC register mapping