- Ensure that HandleScope is initialized with a thread. (Remove

runtime/vm/bootstrap.cc

Index: runtime/vm/bootstrap.cc
diff --git a/runtime/vm/bootstrap.cc b/runtime/vm/bootstrap.cc
index a9b94853c9fb58dccdf4b9b0228dd585c4d3c084..912aa1f36bc69fbe3d9050c1f5d9a2a69ea335d7 100644
--- a/runtime/vm/bootstrap.cc
+++ b/runtime/vm/bootstrap.cc
@@ -253,7 +253,8 @@ static RawError* LoadPatchFiles(Isolate* isolate,
 
 
 RawError* Bootstrap::LoadandCompileScripts() {
-  Isolate* isolate = Isolate::Current();
+  Thread* thread = Thread::Current();
+  Isolate* isolate = thread->isolate();
   String& uri = String::Handle(isolate);
   String& patch_uri = String::Handle(isolate);
   String& source = String::Handle(isolate);
@@ -266,7 +267,7 @@ RawError* Bootstrap::LoadandCompileScripts() {
   // library tag handler so that we can load all the bootstrap libraries.
   isolate->set_library_tag_handler(BootstrapLibraryTagHandler);
 
-  HANDLESCOPE(isolate);
+  HANDLESCOPE(thread);
 
   // Create library objects for all the bootstrap libraries.
   for (intptr_t i = 0;