1 files changed, 4 insertions, 0 deletions
diff --git a/lldb/source/Target/LanguageRuntime.cpp b/lldb/source/Target/LanguageRuntime.cpp
index b1e2b3eb04f..7f386162d16 100644
--- a/lldb/source/Target/LanguageRuntime.cpp
+++ b/lldb/source/Target/LanguageRuntime.cpp
@@ -336,6 +336,10 @@ LanguageRuntime::InitializeCommands (CommandObject* parent)
             CommandObjectSP command = command_callback(parent->GetCommandInterpreter());
             if (command)
             {
+                // the CommandObject vended by a Language plugin cannot be created once and cached because
+                // we may create multiple debuggers and need one instance of the command each - the implementing function
+                // is meant to create a new instance of the command each time it is invoked
+                assert(&command->GetCommandInterpreter() == &parent->GetCommandInterpreter() && "language plugin returned command for a mismatched CommandInterpreter");
                 parent->LoadSubCommand(command->GetCommandName(), command);
             }
         }