Index: include/lldb/Target/CPPLanguageRuntime.h
===================================================================
--- include/lldb/Target/CPPLanguageRuntime.h
+++ include/lldb/Target/CPPLanguageRuntime.h
@@ -78,7 +78,7 @@
   lldb::ThreadPlanSP GetStepThroughTrampolinePlan(Thread &thread,
                                                   bool stop_others) override;
 
-  bool IsRuntimeSupportValue(ValueObject &valobj) override;
+  bool IsWhitelistedRuntimeValue(ConstString name) override;
 protected:
   // Classes that inherit from CPPLanguageRuntime can see and modify these
   CPPLanguageRuntime(Process *process);
Index: include/lldb/Target/LanguageRuntime.h
===================================================================
--- include/lldb/Target/LanguageRuntime.h
+++ include/lldb/Target/LanguageRuntime.h
@@ -16,6 +16,7 @@
 #include "lldb/Core/Value.h"
 #include "lldb/Core/ValueObject.h"
 #include "lldb/Expression/LLVMUserExpression.h"
+#include "lldb/Symbol/Variable.h"
 #include "lldb/Target/ExecutionContextScope.h"
 #include "lldb/lldb-private.h"
 #include "lldb/lldb-public.h"
@@ -150,9 +151,15 @@
   virtual lldb::ThreadPlanSP GetStepThroughTrampolinePlan(Thread &thread,
                                                           bool stop_others) = 0;
 
-  /// Identify whether a value is a language implementation detaul
+  /// Identify whether a value is a language implementation detail
   /// that should be hidden from the user interface by default.
-  virtual bool IsRuntimeSupportValue(ValueObject &valobj) { return false; }
+  virtual bool IsRuntimeSupportValue(ValueObject &valobj) {
+    return valobj.GetVariable() && valobj.GetVariable()->IsArtificial();
+  }
+
+  /// Identify whether a name is a runtime value that should not be hidden by
+  /// from the user interface.
+  virtual bool IsWhitelistedRuntimeValue(ConstString name) { return false; }
 
   virtual void ModulesDidLoad(const ModuleList &module_list) {}
 
Index: include/lldb/Target/ObjCLanguageRuntime.h
===================================================================
--- include/lldb/Target/ObjCLanguageRuntime.h
+++ include/lldb/Target/ObjCLanguageRuntime.h
@@ -299,8 +299,7 @@
 
   /// Check whether the name is "self" or "_cmd" and should show up in
   /// "frame variable".
-  static bool IsWhitelistedRuntimeValue(ConstString name);
-  bool IsRuntimeSupportValue(ValueObject &valobj) override;
+  bool IsWhitelistedRuntimeValue(ConstString name) override;
 
 protected:
   // Classes that inherit from ObjCLanguageRuntime can see and modify these
Index: source/Core/ValueObject.cpp
===================================================================
--- source/Core/ValueObject.cpp
+++ source/Core/ValueObject.cpp
@@ -1696,14 +1696,26 @@
 bool ValueObject::IsRuntimeSupportValue() {
   Process *process(GetProcessSP().get());
   if (process) {
-    LanguageRuntime *runtime =
-        process->GetLanguageRuntime(GetObjectRuntimeLanguage());
-    if (!runtime)
-      runtime = ObjCLanguageRuntime::Get(*process);
-    if (runtime)
-      return runtime->IsRuntimeSupportValue(*this);
-    // If there is no language runtime, trust the compiler to mark all
-    // runtime support variables as artificial.
+    // It's possible we have more than one language involved here. For example,
+    // in ObjC `_cmd` is a whitelisted runtime variable name, but
+    // GetObjectRuntimeLanguage will say it's a C variable since it's just a
+    // cstring.
+    bool marked_as_runtime_support_val = false;
+    for (auto *runtime : process->GetLanguageRuntimes()) {
+      bool is_runtime_support_val = runtime->IsRuntimeSupportValue(*this);
+      if (is_runtime_support_val && runtime->IsWhitelistedRuntimeValue(GetName()))
+        return false;
+
+      marked_as_runtime_support_val |= is_runtime_support_val;
+    }
+
+    // If any language runtimes marked it as a runtime support value, we say so.
+    if (marked_as_runtime_support_val)
+      return true;
+
+    // If no language runtime claims that this value is a runtime support value,
+    // then we trust that the compiler marked runtime support variables as
+    // artificial.
     return GetVariable() && GetVariable()->IsArtificial();
   }
   return false;
Index: source/Target/CPPLanguageRuntime.cpp
===================================================================
--- source/Target/CPPLanguageRuntime.cpp
+++ source/Target/CPPLanguageRuntime.cpp
@@ -43,20 +43,8 @@
 CPPLanguageRuntime::CPPLanguageRuntime(Process *process)
     : LanguageRuntime(process) {}
 
-bool CPPLanguageRuntime::IsRuntimeSupportValue(ValueObject &valobj) {
-  // All runtime support values have to be marked as artificial by the
-  // compiler. But not all artificial variables should be hidden from
-  // the user.
-  if (!valobj.GetVariable())
-    return false;
-  if (!valobj.GetVariable()->IsArtificial())
-    return false;
-
-  // Whitelist "this" and since there is no ObjC++ runtime, any ObjC names.
-  ConstString name = valobj.GetName();
-  if (name == g_this)
-    return false;
-  return !ObjCLanguageRuntime::IsWhitelistedRuntimeValue(name);
+bool CPPLanguageRuntime::IsWhitelistedRuntimeValue(ConstString name) {
+  return name == g_this;
 }
 
 bool CPPLanguageRuntime::GetObjectDescription(Stream &str,
Index: source/Target/ObjCLanguageRuntime.cpp
===================================================================
--- source/Target/ObjCLanguageRuntime.cpp
+++ source/Target/ObjCLanguageRuntime.cpp
@@ -46,19 +46,6 @@
   return name == g_self || name == g_cmd;
 }
 
-bool ObjCLanguageRuntime::IsRuntimeSupportValue(ValueObject &valobj) {
-  // All runtime support values have to be marked as artificial by the
-  // compiler. But not all artificial variables should be hidden from
-  // the user.
-  if (!valobj.GetVariable())
-    return false;
-  if (!valobj.GetVariable()->IsArtificial())
-    return false;
-
-  // Whitelist "self" and "_cmd".
-  return !IsWhitelistedRuntimeValue(valobj.GetName());
-}
-
 bool ObjCLanguageRuntime::AddClass(ObjCISA isa,
                                    const ClassDescriptorSP &descriptor_sp,
                                    const char *class_name) {