diff --git a/lldb/include/lldb/Symbol/ClangASTContext.h b/lldb/include/lldb/Symbol/ClangASTContext.h
--- a/lldb/include/lldb/Symbol/ClangASTContext.h
+++ b/lldb/include/lldb/Symbol/ClangASTContext.h
@@ -30,7 +30,10 @@
 #include "lldb/Expression/ExpressionVariable.h"
 #include "lldb/Symbol/CompilerType.h"
 #include "lldb/Symbol/TypeSystem.h"
+#include "lldb/Target/Target.h"
 #include "lldb/Utility/ConstString.h"
+#include "lldb/Utility/Log.h"
+#include "lldb/Utility/Logging.h"
 #include "lldb/lldb-enumerations.h"
 
 class DWARFASTParserClang;
@@ -86,6 +89,18 @@
 
   static ClangASTContext *GetASTContext(clang::ASTContext *ast_ctx);
 
+  static ClangASTContext *GetScratch(Target &target,
+                                     bool create_on_demand = true) {
+    auto type_system_or_err = target.GetScratchTypeSystemForLanguage(
+        lldb::eLanguageTypeC, create_on_demand);
+    if (auto err = type_system_or_err.takeError()) {
+      LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),
+                     std::move(err), "Couldn't get scratch ClangASTContext");
+      return nullptr;
+    }
+    return llvm::dyn_cast<ClangASTContext>(&type_system_or_err.get());
+  }
+
   clang::ASTContext *getASTContext();
 
   clang::Builtin::Context *getBuiltinContext();
diff --git a/lldb/include/lldb/Target/Target.h b/lldb/include/lldb/Target/Target.h
--- a/lldb/include/lldb/Target/Target.h
+++ b/lldb/include/lldb/Target/Target.h
@@ -1067,8 +1067,6 @@
                                                  const char *name,
                                                  Status &error);
 
-  ClangASTContext *GetScratchClangASTContext(bool create_on_demand = true);
-
   lldb::ClangASTImporterSP GetClangASTImporter();
 
   // Install any files through the platform that need be to installed prior to
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
--- a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderDarwin.cpp
@@ -1073,7 +1073,7 @@
         StackFrameSP frame_sp = thread_sp->GetStackFrameAtIndex(0);
         if (frame_sp) {
           ClangASTContext *clang_ast_context =
-              target.GetScratchClangASTContext();
+              ClangASTContext::GetScratch(target);
 
           if (!clang_ast_context)
             return LLDB_INVALID_ADDRESS;
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.cpp
--- a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.cpp
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOS.cpp
@@ -223,7 +223,10 @@
     // get the values from the ABI:
 
     ClangASTContext *clang_ast_context =
-        process->GetTarget().GetScratchClangASTContext();
+        ClangASTContext::GetScratch(process->GetTarget());
+    if (!clang_ast_context)
+      return false;
+
     ValueList argument_values;
 
     Value mode_value;    // enum dyld_notify_mode { dyld_notify_adding=0,
diff --git a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
--- a/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
+++ b/lldb/source/Plugins/DynamicLoader/MacOSX-DYLD/DynamicLoaderMacOSXDYLD.cpp
@@ -342,7 +342,10 @@
     // get the values from the ABI:
 
     ClangASTContext *clang_ast_context =
-        process->GetTarget().GetScratchClangASTContext();
+        ClangASTContext::GetScratch(process->GetTarget());
+    if (!clang_ast_context)
+      return false;
+
     ValueList argument_values;
     Value input_value;
 
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
--- a/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ASTResultSynthesizer.cpp
@@ -453,7 +453,7 @@
     ConstString name_cs(name.str().c_str());
 
     Decl *D_scratch = m_target.GetClangASTImporter()->DeportDecl(
-        m_target.GetScratchClangASTContext()->getASTContext(), m_ast_context,
+        ClangASTContext::GetScratch(m_target)->getASTContext(), m_ast_context,
         decl);
 
     if (!D_scratch) {
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.cpp
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangASTSource.cpp
@@ -120,14 +120,17 @@
       // Update the scratch AST context's merger to reflect any new sources we
       // might have come across since the last time an expression was parsed.
 
-      auto scratch_ast_context = static_cast<ClangASTContextForExpressions*>(
-          m_target->GetScratchClangASTContext());
+      if (auto *clang_ast_context = ClangASTContext::GetScratch(*m_target)) {
 
-      scratch_ast_context->GetMergerUnchecked().AddSources(sources);
+        auto scratch_ast_context =
+            static_cast<ClangASTContextForExpressions *>(clang_ast_context);
 
-      sources.push_back({*scratch_ast_context->getASTContext(),
-                         *scratch_ast_context->getFileManager(),
-                         scratch_ast_context->GetOriginMap()});
+        scratch_ast_context->GetMergerUnchecked().AddSources(sources);
+
+        sources.push_back({*scratch_ast_context->getASTContext(),
+                           *scratch_ast_context->getFileManager(),
+                           scratch_ast_context->GetOriginMap()});
+      }
     }
 
     m_merger_up =
@@ -145,7 +148,7 @@
   // demand by passing false to
   // Target::GetScratchClangASTContext(create_on_demand).
   ClangASTContext *scratch_clang_ast_context =
-      m_target->GetScratchClangASTContext(false);
+      ClangASTContext::GetScratch(*m_target, false);
 
   if (!scratch_clang_ast_context)
     return;
diff --git a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.cpp b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.cpp
--- a/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.cpp
+++ b/lldb/source/Plugins/ExpressionParser/Clang/ClangExpressionDeclMap.cpp
@@ -110,7 +110,7 @@
     m_parser_vars->m_persistent_vars = llvm::cast<ClangPersistentVariables>(
         target->GetPersistentExpressionStateForLanguage(eLanguageTypeC));
 
-    if (!target->GetScratchClangASTContext())
+    if (!ClangASTContext::GetScratch(*target))
       return false;
   }
 
@@ -208,7 +208,7 @@
 TypeFromUser ClangExpressionDeclMap::DeportType(ClangASTContext &target,
                                                 ClangASTContext &source,
                                                 TypeFromParser parser_type) {
-  assert(&target == m_target->GetScratchClangASTContext());
+  assert(&target == ClangASTContext::GetScratch(*m_target));
   assert((TypeSystem *)&source == parser_type.GetTypeSystem());
   assert(source.getASTContext() == m_ast_context);
 
@@ -222,7 +222,7 @@
         source.getASTContext()->getSourceManager().getFileID(
             source.getASTContext()->getTranslationUnitDecl()->getLocation());
     auto scratch_ast_context = static_cast<ClangASTContextForExpressions *>(
-        m_target->GetScratchClangASTContext());
+        ClangASTContext::GetScratch(*m_target));
     clang::QualType exported_type = ExportAllDeclaredTypes(
         *m_merger_up.get(), scratch_ast_context->GetMergerUnchecked(),
         *source.getASTContext(), *source.getFileManager(),
@@ -255,8 +255,11 @@
     if (target == nullptr)
       return false;
 
-    TypeFromUser user_type =
-        DeportType(*target->GetScratchClangASTContext(), *ast, parser_type);
+    auto *clang_ast_context = ClangASTContext::GetScratch(*target);
+    if (!clang_ast_context)
+      return false;
+
+    TypeFromUser user_type = DeportType(*clang_ast_context, *ast, parser_type);
 
     uint32_t offset = m_parser_vars->m_materializer->AddResultVariable(
         user_type, is_lvalue, m_keep_result_in_memory, m_result_delegate, err);
@@ -291,7 +294,9 @@
   if (target == nullptr)
     return false;
 
-  ClangASTContext *context(target->GetScratchClangASTContext());
+  ClangASTContext *context = ClangASTContext::GetScratch(*target);
+  if (!context)
+    return false;
 
   TypeFromUser user_type = DeportType(*context, *ast, parser_type);
 
@@ -786,7 +791,7 @@
     return;
 
   ClangASTContext *scratch_clang_ast_context =
-      target->GetScratchClangASTContext();
+      ClangASTContext::GetScratch(*target);
 
   if (!scratch_clang_ast_context)
     return;
@@ -1723,7 +1728,9 @@
   if (target == nullptr)
     return;
 
-  ClangASTContext *scratch_ast_context = target->GetScratchClangASTContext();
+  ClangASTContext *scratch_ast_context = ClangASTContext::GetScratch(*target);
+  if (!scratch_ast_context)
+    return;
 
   TypeFromUser user_type(scratch_ast_context->GetBasicType(eBasicTypeVoid)
                              .GetPointerType()
diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
--- a/lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
+++ b/lldb/source/Plugins/Language/CPlusPlus/LibCxx.cpp
@@ -572,10 +572,13 @@
   location_sp->GetPointeeData(extractor, 0, size);
 
   // std::wstring::size() is measured in 'characters', not bytes
-  auto wchar_t_size = valobj.GetTargetSP()
-                          ->GetScratchClangASTContext()
-                          ->GetBasicType(lldb::eBasicTypeWChar)
-                          .GetByteSize(nullptr);
+  ClangASTContext *ast_context =
+      ClangASTContext::GetScratch(*valobj.GetTargetSP());
+  if (!ast_context)
+    return false;
+
+  auto wchar_t_size =
+      ast_context->GetBasicType(lldb::eBasicTypeWChar).GetByteSize(nullptr);
   if (!wchar_t_size)
     return false;
 
diff --git a/lldb/source/Plugins/Language/ObjC/NSArray.cpp b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSArray.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSArray.cpp
@@ -461,9 +461,8 @@
     : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
       m_id_type() {
   if (valobj_sp) {
-    auto *clang_ast_context = valobj_sp->GetExecutionContextRef()
-                                  .GetTargetSP()
-                                  ->GetScratchClangASTContext();
+    auto *clang_ast_context = ClangASTContext::GetScratch(
+        *valobj_sp->GetExecutionContextRef().GetTargetSP());
     if (clang_ast_context)
       m_id_type = CompilerType(
           clang_ast_context,
@@ -610,9 +609,8 @@
   if (valobj_sp) {
     CompilerType type = valobj_sp->GetCompilerType();
     if (type) {
-      auto *clang_ast_context = valobj_sp->GetExecutionContextRef()
-                                    .GetTargetSP()
-                                    ->GetScratchClangASTContext();
+      auto *clang_ast_context = ClangASTContext::GetScratch(
+          *valobj_sp->GetExecutionContextRef().GetTargetSP());
       if (clang_ast_context)
         m_id_type = CompilerType(clang_ast_context,
                                  clang_ast_context->getASTContext()
@@ -780,11 +778,15 @@
   static const ConstString g_zero("[0]");
 
   if (idx == 0) {
-    CompilerType id_type(
-        m_backend.GetTargetSP()->GetScratchClangASTContext()->GetBasicType(
-            lldb::eBasicTypeObjCID));
-    return m_backend.GetSyntheticChildAtOffset(
-        m_backend.GetProcessSP()->GetAddressByteSize(), id_type, true, g_zero);
+    auto *clang_ast_context =
+        ClangASTContext::GetScratch(*m_backend.GetTargetSP());
+    if (clang_ast_context) {
+      CompilerType id_type(
+          clang_ast_context->GetBasicType(lldb::eBasicTypeObjCID));
+      return m_backend.GetSyntheticChildAtOffset(
+          m_backend.GetProcessSP()->GetAddressByteSize(), id_type, true,
+          g_zero);
+    }
   }
   return lldb::ValueObjectSP();
 }
diff --git a/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp b/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSDictionary.cpp
@@ -65,7 +65,7 @@
 static CompilerType GetLLDBNSPairType(TargetSP target_sp) {
   CompilerType compiler_type;
 
-  ClangASTContext *target_ast_context = target_sp->GetScratchClangASTContext();
+  ClangASTContext *target_ast_context = ClangASTContext::GetScratch(*target_sp);
 
   if (target_ast_context) {
     ConstString g___lldb_autogen_nspair("__lldb_autogen_nspair");
diff --git a/lldb/source/Plugins/Language/ObjC/NSError.cpp b/lldb/source/Plugins/Language/ObjC/NSError.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSError.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSError.cpp
@@ -86,10 +86,10 @@
 
   ValueObjectSP domain_str_sp = ValueObject::CreateValueObjectFromData(
       "domain_str", isw.GetAsData(process_sp->GetByteOrder()),
-      valobj.GetExecutionContextRef(), process_sp->GetTarget()
-                                           .GetScratchClangASTContext()
-                                           ->GetBasicType(lldb::eBasicTypeVoid)
-                                           .GetPointerType());
+      valobj.GetExecutionContextRef(),
+      ClangASTContext::GetScratch(process_sp->GetTarget())
+          ->GetBasicType(lldb::eBasicTypeVoid)
+          .GetPointerType());
 
   if (!domain_str_sp)
     return false;
@@ -156,8 +156,8 @@
     m_child_sp = CreateValueObjectFromData(
         "_userInfo", isw.GetAsData(process_sp->GetByteOrder()),
         m_backend.GetExecutionContextRef(),
-        process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(
-            lldb::eBasicTypeObjCID));
+        ClangASTContext::GetScratch(process_sp->GetTarget())
+            ->GetBasicType(lldb::eBasicTypeObjCID));
     return false;
   }
 
diff --git a/lldb/source/Plugins/Language/ObjC/NSException.cpp b/lldb/source/Plugins/Language/ObjC/NSException.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSException.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSException.cpp
@@ -69,10 +69,12 @@
   InferiorSizedWord userinfo_isw(userinfo, *process_sp);
   InferiorSizedWord reserved_isw(reserved, *process_sp);
 
-  CompilerType voidstar = process_sp->GetTarget()
-                              .GetScratchClangASTContext()
-                              ->GetBasicType(lldb::eBasicTypeVoid)
-                              .GetPointerType();
+  auto *clang_ast_context = ClangASTContext::GetScratch(process_sp->GetTarget());
+  if (!clang_ast_context)
+    return false;
+
+  CompilerType voidstar =
+      clang_ast_context->GetBasicType(lldb::eBasicTypeVoid).GetPointerType();
 
   if (name_sp)
     *name_sp = ValueObject::CreateValueObjectFromData(
diff --git a/lldb/source/Plugins/Language/ObjC/NSIndexPath.cpp b/lldb/source/Plugins/Language/ObjC/NSIndexPath.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSIndexPath.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSIndexPath.cpp
@@ -53,9 +53,8 @@
     if (!type_system)
       return false;
 
-    ClangASTContext *ast = m_backend.GetExecutionContextRef()
-                               .GetTargetSP()
-                               ->GetScratchClangASTContext();
+    ClangASTContext *ast = ClangASTContext::GetScratch(
+        *m_backend.GetExecutionContextRef().GetTargetSP());
     if (!ast)
       return false;
 
diff --git a/lldb/source/Plugins/Language/ObjC/NSString.cpp b/lldb/source/Plugins/Language/ObjC/NSString.cpp
--- a/lldb/source/Plugins/Language/ObjC/NSString.cpp
+++ b/lldb/source/Plugins/Language/ObjC/NSString.cpp
@@ -35,7 +35,7 @@
 static CompilerType GetNSPathStore2Type(Target &target) {
   static ConstString g_type_name("__lldb_autogen_nspathstore2");
 
-  ClangASTContext *ast_ctx = target.GetScratchClangASTContext();
+  ClangASTContext *ast_ctx = ClangASTContext::GetScratch(target);
 
   if (!ast_ctx)
     return CompilerType();
diff --git a/lldb/source/Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.cpp
--- a/lldb/source/Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/CPlusPlus/ItaniumABI/ItaniumABILanguageRuntime.cpp
@@ -537,7 +537,10 @@
     return {};
 
   ClangASTContext *clang_ast_context =
-      m_process->GetTarget().GetScratchClangASTContext();
+      ClangASTContext::GetScratch(m_process->GetTarget());
+  if (!clang_ast_context)
+    return {};
+
   CompilerType voidstar =
       clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
 
diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.cpp
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.cpp
@@ -111,7 +111,10 @@
     }
   } else {
     // If it is not a pointer, see if we can make it into a pointer.
-    ClangASTContext *ast_context = target->GetScratchClangASTContext();
+    ClangASTContext *ast_context = ClangASTContext::GetScratch(*target);
+    if (!ast_context)
+      return false;
+
     CompilerType opaque_type = ast_context->GetBasicType(eBasicTypeObjCID);
     if (!opaque_type)
       opaque_type = ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
@@ -123,7 +126,9 @@
   arg_value_list.PushValue(value);
 
   // This is the return value:
-  ClangASTContext *ast_context = target->GetScratchClangASTContext();
+  ClangASTContext *ast_context = ClangASTContext::GetScratch(*target);
+  if (!ast_context)
+    return false;
 
   CompilerType return_compiler_type = ast_context->GetCStringType(true);
   Value ret;
@@ -494,9 +499,12 @@
   reserved_dict = reserved_dict->GetSyntheticValue();
   if (!reserved_dict) return ThreadSP();
 
+  ClangASTContext *clang_ast_context =
+      ClangASTContext::GetScratch(*exception_sp->GetTargetSP());
+  if (!clang_ast_context)
+    return ThreadSP();
   CompilerType objc_id =
-      exception_sp->GetTargetSP()->GetScratchClangASTContext()->GetBasicType(
-          lldb::eBasicTypeObjCID);
+      clang_ast_context->GetBasicType(lldb::eBasicTypeObjCID);
   ValueObjectSP return_addresses;
 
   auto objc_object_from_address = [&exception_sp, &objc_id](uint64_t addr,
diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
@@ -1301,7 +1301,7 @@
     return DescriptorMapUpdateResult::Fail();
 
   thread_sp->CalculateExecutionContext(exe_ctx);
-  ClangASTContext *ast = process->GetTarget().GetScratchClangASTContext();
+  ClangASTContext *ast = ClangASTContext::GetScratch(process->GetTarget());
 
   if (!ast)
     return DescriptorMapUpdateResult::Fail();
@@ -1563,7 +1563,7 @@
     return DescriptorMapUpdateResult::Fail();
 
   thread_sp->CalculateExecutionContext(exe_ctx);
-  ClangASTContext *ast = process->GetTarget().GetScratchClangASTContext();
+  ClangASTContext *ast = ClangASTContext::GetScratch(process->GetTarget());
 
   if (!ast)
     return DescriptorMapUpdateResult::Fail();
@@ -2672,10 +2672,12 @@
     const lldb::ABISP &abi = process_sp->GetABI();
     if (!abi) return;
 
-    CompilerType voidstar = process_sp->GetTarget()
-                                .GetScratchClangASTContext()
-                                ->GetBasicType(lldb::eBasicTypeVoid)
-                                .GetPointerType();
+    ClangASTContext *clang_ast_context =
+        ClangASTContext::GetScratch(process_sp->GetTarget());
+    if (!clang_ast_context)
+      return;
+    CompilerType voidstar =
+        clang_ast_context->GetBasicType(lldb::eBasicTypeVoid).GetPointerType();
 
     ValueList args;
     Value input_value;
diff --git a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp
--- a/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCTrampolineHandler.cpp
@@ -522,7 +522,10 @@
     const ABI *abi = process->GetABI().get();
 
     ClangASTContext *clang_ast_context =
-        process->GetTarget().GetScratchClangASTContext();
+        ClangASTContext::GetScratch(process->GetTarget());
+    if (!clang_ast_context)
+      return false;
+
     ValueList argument_values;
     Value input_value;
     CompilerType clang_void_ptr_type =
@@ -802,7 +805,10 @@
 
       // Next make the runner function for our implementation utility function.
       ClangASTContext *clang_ast_context =
-          thread.GetProcess()->GetTarget().GetScratchClangASTContext();
+          ClangASTContext::GetScratch(thread.GetProcess()->GetTarget());
+      if (!clang_ast_context)
+        return LLDB_INVALID_ADDRESS;
+
       CompilerType clang_void_ptr_type =
           clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
       Status error;
@@ -895,7 +901,10 @@
 
     TargetSP target_sp(thread.CalculateTarget());
 
-    ClangASTContext *clang_ast_context = target_sp->GetScratchClangASTContext();
+    ClangASTContext *clang_ast_context = ClangASTContext::GetScratch(*target_sp);
+    if (!clang_ast_context)
+      return ret_plan_sp;
+
     ValueList argument_values;
     Value void_ptr_value;
     CompilerType clang_void_ptr_type =
diff --git a/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp b/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
--- a/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
+++ b/lldb/source/Plugins/Platform/POSIX/PlatformPOSIX.cpp
@@ -706,7 +706,9 @@
   FunctionCaller *do_dlopen_function = nullptr;
 
   // Fetch the clang types we will need:
-  ClangASTContext *ast = process->GetTarget().GetScratchClangASTContext();
+  ClangASTContext *ast = ClangASTContext::GetScratch(process->GetTarget());
+  if (!ast)
+    return nullptr;
 
   CompilerType clang_void_pointer_type
       = ast->GetBasicType(eBasicTypeVoid).GetPointerType();
@@ -948,7 +950,11 @@
 
   Value return_value;
   // Fetch the clang types we will need:
-  ClangASTContext *ast = process->GetTarget().GetScratchClangASTContext();
+  ClangASTContext *ast = ClangASTContext::GetScratch(process->GetTarget());
+  if (!ast) {
+    error.SetErrorString("dlopen error: Unable to get ClangASTContext");
+    return LLDB_INVALID_IMAGE_TOKEN;
+  }
 
   CompilerType clang_void_pointer_type
       = ast->GetBasicType(eBasicTypeVoid).GetPointerType();
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetItemInfoHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetItemInfoHandler.cpp
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetItemInfoHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetItemInfoHandler.cpp
@@ -229,7 +229,7 @@
   lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0);
   ProcessSP process_sp(thread.CalculateProcess());
   TargetSP target_sp(thread.CalculateTarget());
-  ClangASTContext *clang_ast_context = target_sp->GetScratchClangASTContext();
+  ClangASTContext *clang_ast_context = ClangASTContext::GetScratch(*target_sp);
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYSTEM_RUNTIME));
 
   GetItemInfoReturnInfo return_value;
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetPendingItemsHandler.cpp
@@ -177,7 +177,7 @@
       // Next make the runner function for our implementation utility function.
       Status error;
       ClangASTContext *clang_ast_context =
-          thread.GetProcess()->GetTarget().GetScratchClangASTContext();
+          ClangASTContext::GetScratch(thread.GetProcess()->GetTarget());
       CompilerType get_pending_items_return_type =
           clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
       get_pending_items_caller =
@@ -228,7 +228,7 @@
   lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0);
   ProcessSP process_sp(thread.CalculateProcess());
   TargetSP target_sp(thread.CalculateTarget());
-  ClangASTContext *clang_ast_context = target_sp->GetScratchClangASTContext();
+  ClangASTContext *clang_ast_context = ClangASTContext::GetScratch(*target_sp);
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYSTEM_RUNTIME));
 
   GetPendingItemsReturnInfo return_value;
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetQueuesHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetQueuesHandler.cpp
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetQueuesHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetQueuesHandler.cpp
@@ -191,7 +191,7 @@
 
     // Next make the runner function for our implementation utility function.
     ClangASTContext *clang_ast_context =
-        thread.GetProcess()->GetTarget().GetScratchClangASTContext();
+        ClangASTContext::GetScratch(thread.GetProcess()->GetTarget());
     CompilerType get_queues_return_type =
         clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
     Status error;
@@ -231,7 +231,7 @@
   lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0);
   ProcessSP process_sp(thread.CalculateProcess());
   TargetSP target_sp(thread.CalculateTarget());
-  ClangASTContext *clang_ast_context = target_sp->GetScratchClangASTContext();
+  ClangASTContext *clang_ast_context = ClangASTContext::GetScratch(*target_sp);
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYSTEM_RUNTIME));
 
   GetQueuesReturnInfo return_value;
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/AppleGetThreadItemInfoHandler.cpp
@@ -186,7 +186,7 @@
       // Also make the FunctionCaller for this UtilityFunction:
 
       ClangASTContext *clang_ast_context =
-          thread.GetProcess()->GetTarget().GetScratchClangASTContext();
+          ClangASTContext::GetScratch(thread.GetProcess()->GetTarget());
       CompilerType get_thread_item_info_return_type =
           clang_ast_context->GetBasicType(eBasicTypeVoid).GetPointerType();
 
@@ -237,7 +237,7 @@
   lldb::StackFrameSP thread_cur_frame = thread.GetStackFrameAtIndex(0);
   ProcessSP process_sp(thread.CalculateProcess());
   TargetSP target_sp(thread.CalculateTarget());
-  ClangASTContext *clang_ast_context = target_sp->GetScratchClangASTContext();
+  ClangASTContext *clang_ast_context = ClangASTContext::GetScratch(*target_sp);
   Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYSTEM_RUNTIME));
 
   GetThreadItemInfoReturnInfo return_value;
diff --git a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
--- a/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
+++ b/lldb/source/Plugins/SystemRuntime/MacOSX/SystemRuntimeMacOSX.cpp
@@ -412,7 +412,7 @@
 #endif
 
     ClangASTContext *ast_ctx =
-        m_process->GetTarget().GetScratchClangASTContext();
+        ClangASTContext::GetScratch(m_process->GetTarget());
     if (ast_ctx->getASTContext() &&
         m_dispatch_tsd_indexes_addr != LLDB_INVALID_ADDRESS) {
       CompilerType uint16 =
diff --git a/lldb/source/Target/Target.cpp b/lldb/source/Target/Target.cpp
--- a/lldb/source/Target/Target.cpp
+++ b/lldb/source/Target/Target.cpp
@@ -2258,20 +2258,6 @@
   return utility_fn;
 }
 
-ClangASTContext *Target::GetScratchClangASTContext(bool create_on_demand) {
-  if (!m_valid)
-    return nullptr;
-
-  auto type_system_or_err =
-          GetScratchTypeSystemForLanguage(eLanguageTypeC, create_on_demand);
-  if (auto err = type_system_or_err.takeError()) {
-    LLDB_LOG_ERROR(lldb_private::GetLogIfAnyCategoriesSet(LIBLLDB_LOG_TARGET),
-                   std::move(err), "Couldn't get scratch ClangASTContext");
-    return nullptr;
-  }
-  return llvm::dyn_cast<ClangASTContext>(&type_system_or_err.get());
-}
-
 ClangASTImporterSP Target::GetClangASTImporter() {
   if (m_valid) {
     if (!m_ast_importer_sp) {