Bug 1331092 - Part 2: Implement Async Generator except yield*.

Tag #1287

1 files changed, 6 insertions, 0 deletions

diff --git a/js/src/jsapi.cpp b/js/src/jsapi.cpp
index f9a0c6a6bc..6483641f32 100644
--- a/js/src/jsapi.cpp
+++ b/js/src/jsapi.cpp
@@ -70,6 +70,7 @@
 #include "js/StructuredClone.h"
 #include "js/Utility.h"
 #include "vm/AsyncFunction.h"
+#include "vm/AsyncIteration.h"
 #include "vm/DateObject.h"
 #include "vm/Debugger.h"
 #include "vm/EnvironmentObject.h"
@@ -3591,6 +3592,11 @@ CloneFunctionObject(JSContext* cx, HandleObject funobj, HandleObject env, Handle
         return nullptr;
     }
 
+    if (IsWrappedAsyncGenerator(fun)) {
+        JS_ReportErrorNumberASCII(cx, GetErrorMessage, nullptr, JSMSG_CANT_CLONE_OBJECT);
+        return nullptr;
+    }
+
     if (CanReuseScriptForClone(cx->compartment(), fun, env)) {
         // If the script is to be reused, either the script can already handle
         // non-syntactic scopes, or there is only the standard global lexical