3 files changed, 19 insertions, 2 deletions
diff --git a/src/qml/jsapi/qjsengine.cpp b/src/qml/jsapi/qjsengine.cpp
index f0e3e69fbb..37b5306897 100644
--- a/src/qml/jsapi/qjsengine.cpp
+++ b/src/qml/jsapi/qjsengine.cpp
@@ -939,6 +939,20 @@ void QJSEngine::throwError(QJSValue::ErrorType errorType, const QString &message
 }
 
 /*!
+    \overload throwError()
+
+    Throws a pre-constructed run-time \a error (exception). This way you can
+    use \l newErrorObject() to create the error and customize it as necessary.
+
+    \since 6.1
+    \sa {Script Exceptions}, newErrorObject()
+*/
+void QJSEngine::throwError(const QJSValue &error)
+{
+    m_v4Engine->throwError(QJSValuePrivate::asReturnedValue(&error));
+}
+
+/*!
  * Returns \c true if the last JavaScript execution resulted in an exception or
  * if throwError() was called. Otherwise returns \c false. Mind that evaluate()
  * catches any exceptions thrown in the evaluated code.
diff --git a/src/qml/jsapi/qjsengine.h b/src/qml/jsapi/qjsengine.h
index 9b02469b23..783f602c12 100644
--- a/src/qml/jsapi/qjsengine.h
+++ b/src/qml/jsapi/qjsengine.h
@@ -134,6 +134,7 @@ public:
 
     void throwError(const QString &message);
     void throwError(QJSValue::ErrorType errorType, const QString &message = QString());
+    void throwError(const QJSValue &error);
     bool hasError() const;
     QJSValue catchError();
 
diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
index a5316dce21..85d61a3537 100644
--- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp
+++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
@@ -4826,7 +4826,7 @@ void tst_QJSEngine::catchError()
 
 QJSValue tst_QJSEngine::throwingCppMethod1()
 {
-    qjsEngine(this)->throwError("blub");
+    qjsEngine(this)->throwError(QStringLiteral("blub"));
     return QJSValue(47);
 }
 
@@ -4837,7 +4837,9 @@ void tst_QJSEngine::throwingCppMethod2()
 
 QJSValue tst_QJSEngine::throwingCppMethod3()
 {
-    return qjsEngine(this)->newErrorObject(QJSValue::EvalError, "Something is wrong");
+    QJSEngine *engine = qjsEngine(this);
+    engine->throwError(engine->newErrorObject(QJSValue::EvalError, "Something is wrong"));
+    return QJSValue(31);
 }
 
 void tst_QJSEngine::mathMinMax()