1 files changed, 10 insertions, 14 deletions
diff --git a/deps/v8/src/isolate-inl.h b/deps/v8/src/isolate-inl.h
index 5c71d9188e..34c98bba64 100644
--- a/deps/v8/src/isolate-inl.h
+++ b/deps/v8/src/isolate-inl.h
@@ -76,6 +76,11 @@ bool Isolate::is_catchable_by_javascript(Object* exception) {
   return exception != heap()->termination_exception();
 }
 
+bool Isolate::is_catchable_by_wasm(Object* exception) {
+  return is_catchable_by_javascript(exception) &&
+         (exception->IsNumber() || exception->IsSmi());
+}
+
 void Isolate::FireBeforeCallEnteredCallback() {
   for (int i = 0; i < before_call_entered_callbacks_.length(); i++) {
     before_call_entered_callbacks_.at(i)(reinterpret_cast<v8::Isolate*>(this));
@@ -100,20 +105,6 @@ Isolate::ExceptionScope::~ExceptionScope() {
   isolate_->set_pending_exception(*pending_exception_);
 }
 
-SaveContext::SaveContext(Isolate* isolate)
-    : isolate_(isolate), prev_(isolate->save_context()) {
-  if (isolate->context() != NULL) {
-    context_ = Handle<Context>(isolate->context());
-  }
-  isolate->set_save_context(this);
-  c_entry_fp_ = isolate->c_entry_fp(isolate->thread_local_top());
-}
-
-SaveContext::~SaveContext() {
-  isolate_->set_context(context_.is_null() ? NULL : *context_);
-  isolate_->set_save_context(prev_);
-}
-
 #define NATIVE_CONTEXT_FIELD_ACCESSOR(index, type, name)     \
   Handle<type> Isolate::name() {                             \
     return Handle<type>(raw_native_context()->name(), this); \
@@ -147,6 +138,11 @@ bool Isolate::IsHasInstanceLookupChainIntact() {
   return has_instance_cell->value() == Smi::FromInt(kArrayProtectorValid);
 }
 
+bool Isolate::IsStringLengthOverflowIntact() {
+  PropertyCell* has_instance_cell = heap()->string_length_protector();
+  return has_instance_cell->value() == Smi::FromInt(kArrayProtectorValid);
+}
+
 }  // namespace internal
 }  // namespace v8