Migrate LongJumpScope to Thread.

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 2936 matching lines @@
                            const Array& param_values) const {
   const Function& eval_func =
       Function::Handle(EvaluateHelper(*this, expr, param_names, true));
   const Object& result =
       Object::Handle(DartEntry::InvokeFunction(eval_func, param_values));
   return result.raw();
 }
 
 
 // Ensure that top level parsing of the class has been done.
+// TODO(24109): Migrate interface to Thread*.
 RawError* Class::EnsureIsFinalized(Isolate* isolate) const {
   // Finalized classes have already been parsed.
   if (is_finalized()) {
     return Error::null();
   }
   ASSERT(isolate != NULL);
   const Error& error = Error::Handle(isolate, Compiler::CompileClass(*this));
-  if (!error.IsNull() && (isolate->long_jump_base() != NULL)) {
-    Report::LongJump(error);
-    UNREACHABLE();
+  if (!error.IsNull()) {
+    ASSERT(isolate == Thread::Current()->isolate());
+    if (Thread::Current()->long_jump_base() != NULL) {
+      Report::LongJump(error);
+      UNREACHABLE();
+    }
   }
   return error.raw();
 }
 
 
 void Class::SetFields(const Array& value) const {
   ASSERT(!value.IsNull());
 #if defined(DEBUG)
   // Verify that all the fields in the array have this class as owner.
   Field& field = Field::Handle();
@@ skipping 18404 matching lines @@
   return tag_label.ToCString();
 }
 
 
 void UserTag::PrintJSONImpl(JSONStream* stream, bool ref) const {
   Instance::PrintJSONImpl(stream, ref);
 }
 
 
 }  // namespace dart