Fix %FunctionGetName and %_ClassOf for bound functions.

src/runtime/runtime-function.cc

Index: src/runtime/runtime-function.cc
diff --git a/src/runtime/runtime-function.cc b/src/runtime/runtime-function.cc
index 7d7b81109284cc88a597d2f05214076fe26aca17..56cf3b6dcbd8c371364bb256cf411277afae868d 100644
--- a/src/runtime/runtime-function.cc
+++ b/src/runtime/runtime-function.cc
@@ -17,11 +17,19 @@ namespace v8 {
 namespace internal {
 
 RUNTIME_FUNCTION(Runtime_FunctionGetName) {
-  SealHandleScope shs(isolate);
+  HandleScope scope(isolate);
   DCHECK(args.length() == 1);
 
-  CONVERT_ARG_CHECKED(JSFunction, f, 0);
-  return f->shared()->name();
+  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, function, 0);
+  Handle<Object> result;
+  if (function->IsJSBoundFunction()) {
+    ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+        isolate, result, JSBoundFunction::GetName(
+                             isolate, Handle<JSBoundFunction>::cast(function)));
+  } else {
+    result = JSFunction::GetName(isolate, Handle<JSFunction>::cast(function));
+  }
+  return *result;
 }