From 5d2ad577a42c8cbdd095ef336dd4275638901d59 Mon Sep 17 00:00:00 2001
From: Olivier Goffart <ogoffart@trolltech.com>
Date: Wed, 22 Jul 2009 12:50:43 +0200
Subject: fix QScriptValue::isError

Reviewed-by: Kent Hansen
---
 .../webkit/JavaScriptCore/runtime/NativeErrorPrototype.cpp    |  4 ++++
 .../webkit/JavaScriptCore/runtime/NativeErrorPrototype.h      | 11 ++++++++++-
 tests/auto/qscriptvalue/tst_qscriptvalue.cpp                  |  1 -
 3 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.cpp
index 84190a0..650a0fd 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.cpp
@@ -30,7 +30,11 @@ namespace JSC {
 ASSERT_CLASS_FITS_IN_CELL(NativeErrorPrototype);
 
 NativeErrorPrototype::NativeErrorPrototype(ExecState* exec, PassRefPtr<Structure> structure, const UString& name, const UString& message)
+#ifdef QT_BUILD_SCRIPT_LIB
+    : ErrorInstance(structure)
+#else
     : JSObject(structure)
+#endif
 {
     putDirect(exec->propertyNames().name, jsString(exec, name), 0);
     putDirect(exec->propertyNames().message, jsString(exec, message), 0);
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.h b/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.h
index 77bfe8a..48a9d7e 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.h
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/NativeErrorPrototype.h
@@ -22,10 +22,19 @@
 #define NativeErrorPrototype_h
 
 #include "JSObject.h"
+#ifdef QT_BUILD_SCRIPT_LIB
+#include "ErrorInstance.h"
+#endif
 
 namespace JSC {
 
-    class NativeErrorPrototype : public JSObject {
+    class NativeErrorPrototype :
+#ifdef QT_BUILD_SCRIPT_LIB    //According to ECMAScript Specification 15.11.7, errors must have the "Error" class
+        public ErrorInstance
+#else
+        public JSObject
+#endif
+    {
     public:
         NativeErrorPrototype(ExecState*, PassRefPtr<Structure>, const UString& name, const UString& message);
     };
diff --git a/tests/auto/qscriptvalue/tst_qscriptvalue.cpp b/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
index b0df6fd..ddd846a 100644
--- a/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
+++ b/tests/auto/qscriptvalue/tst_qscriptvalue.cpp
@@ -1653,7 +1653,6 @@ void tst_QScriptValue::isError()
     for (int i = 0; i < errors.size(); ++i) {
         QScriptValue ctor = eng.globalObject().property(errors.at(i));
         QVERIFY(ctor.isFunction());
-        QEXPECT_FAIL("", "Error.prototype should itself be an Error object", Continue);
         QVERIFY(ctor.property("prototype").isError());
     }
     QVERIFY(!eng.globalObject().isError());
-- 
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