Version 5.1.281.74 (cherry-pick)

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 703a4f4f4ad575cc230e60ceaf38aa1f05121a13..e0c45fb36e20fb519f6e5a8ba33b44b971ac36da 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -3241,6 +3241,7 @@ class PropertyCallbackInfo {
 
 typedef void (*FunctionCallback)(const FunctionCallbackInfo<Value>& info);
 
+enum class ConstructorBehavior { kThrow, kAllow };
 
 /**
  * A JavaScript function object (ECMA-262, 15.3).
@@ -3255,6 +3256,11 @@ class V8_EXPORT Function : public Object {
                                   FunctionCallback callback,
                                   Local<Value> data = Local<Value>(),
                                   int length = 0);
+  static MaybeLocal<Function> New(Local<Context> context,
+                                  FunctionCallback callback,
+                                  Local<Value> data,
+                                  int length,
+                                  ConstructorBehavior behavior);
   static V8_DEPRECATE_SOON(
       "Use maybe version",
       Local<Function> New(Isolate* isolate, FunctionCallback callback,
@@ -4478,6 +4484,9 @@ class V8_EXPORT FunctionTemplate : public Template {
       Isolate* isolate, FunctionCallback callback = 0,
       Local<Value> data = Local<Value>(),
       Local<Signature> signature = Local<Signature>(), int length = 0);
+  static Local<FunctionTemplate> New(
+      Isolate* isolate, FunctionCallback callback, Local<Value> data,
+      Local<Signature> signature, int length, ConstructorBehavior behavior);
 
   /**
    * Creates a function template with a fast handler. If a fast handler is set,