[LLDB] Fix building for aarch64 windows after d6d3d21cd1cb1567eaf7ff8c0867b07227a19d99

[DavidSpickett]

LGTM

(we should have caught this on our WoA bots but they've been failing earlier in the builds)

[mstorsjo]

In D99847#2670586, @DavidSpickett wrote:

LGTM

(we should have caught this on our WoA bots but they've been failing earlier in the builds)

Thanks, and it's good to hear that you've got a bot for testing this too (I test a fair bit of things nightly, but I only test building this bit roughly once per week).

lldb/source/Plugins/Process/Windows/Common/NativeRegisterContextWindows_arm64.cpp

 enum { k_num_register_sets = 2 };
 
 } // namespace
 
 static RegisterInfoInterface *
 CreateRegisterInfoInterface(const ArchSpec &target_arch) {
   assert((HostInfo::GetArchitecture().GetAddressByteSize() == 8) &&
          "Register setting path assumes this is a 64-bit host");
-  return new RegisterInfoPOSIX_arm64(target_arch);
+  return new RegisterInfoPOSIX_arm64(
+      target_arch, RegisterInfoPOSIX_arm64::eRegsetMaskDefault);
 }
 
 static Status GetThreadContextHelper(lldb::thread_t thread_handle,
                                      PCONTEXT context_ptr,
                                      const DWORD control_flag) {
   Log *log = ProcessWindowsLog::GetLogIfAny(WINDOWS_LOG_REGISTERS);
   Status error;