1 files changed, 13 insertions, 1 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArrayConstructor.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArrayConstructor.cpp
index e96bdfc7bd..c60cb0ed64 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArrayConstructor.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArrayConstructor.cpp
@@ -25,15 +25,19 @@
 #include "ArrayConstructor.h"
 
 #include "ArrayPrototype.h"
+#include "Error.h"
 #include "JSArray.h"
 #include "JSFunction.h"
 #include "Lookup.h"
+#include "PrototypeFunction.h"
 
 namespace JSC {
 
 ASSERT_CLASS_FITS_IN_CELL(ArrayConstructor);
+    
+static JSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*, JSObject*, JSValue, const ArgList&);
 
-ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr<Structure> structure, ArrayPrototype* arrayPrototype)
+ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr<Structure> structure, ArrayPrototype* arrayPrototype, Structure* prototypeFunctionStructure)
     : InternalFunction(&exec->globalData(), structure, Identifier(exec, arrayPrototype->classInfo()->className))
 {
     // ECMA 15.4.3.1 Array.prototype
@@ -41,6 +45,9 @@ ArrayConstructor::ArrayConstructor(ExecState* exec, PassRefPtr<Structure> struct
 
     // no. of arguments for constructor
     putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete);
+
+    // ES5
+    putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 1, exec->propertyNames().isArray, arrayConstructorIsArray), DontEnum);
 }
 
 static JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args)
@@ -82,4 +89,9 @@ CallType ArrayConstructor::getCallData(CallData& callData)
     return CallTypeHost;
 }
 
+JSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*, JSObject*, JSValue, const ArgList& args)
+{
+    return jsBoolean(args.at(0).inherits(&JSArray::info));
+}
+
 } // namespace JSC