Merge commit '841b26f1d80f' from llvm.org/main into next

Author: git apple-llvm automerger

lldb/source/Plugins/Process/mach-core/ProcessMachCore.cpp

@@ -483,13 +483,6 @@ Status ProcessMachCore::DoLoadCore() {
     return error;
   }
 
-  if (core_objfile->GetNumThreadContexts() == 0) {
-    error.SetErrorString("core file doesn't contain any LC_THREAD load "
-                         "commands, or the LC_THREAD architecture is not "
-                         "supported in this lldb");
-    return error;
-  }
-
   SetCanJIT(false);
 
   // The corefile's architecture is our best starting point.