Crash when concatenating multiple strings

Have the following QML file:

 
Rectangle {
    width: 640; height: 480

    Text {
        id: concat
        text: "aaaa"
            + "bbbb"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc";
    }
}

Get the following stacktrace:

0 __kernel_vsyscall 0 0xb7fe2430
1 *__GI_raise raise.c 64 0xb5d944d1
2 *__GI_abort abort.c 92 0xb5d97932
3 qt_message_output qglobal.cpp 2253 0xb61bd683
4 qt_message qglobal.cpp 2299 0xb61bd87c
5 qFatal qglobal.cpp 2482 0xb61bdc9a
6 qt_assert qglobal.cpp 2016 0xb61bd21c
7 QDeclarativeBindingCompilerPrivate::releaseReg qdeclarativecompiledbindings.cpp 2529 0xb7e42226
8 QDeclarativeBindingCompilerPrivate::compile qdeclarativecompiledbindings.cpp 1722 0xb7e3f923
9 QDeclarativeBindingCompiler::compile qdeclarativecompiledbindings.cpp 2683 0xb7e42cb2
10 QDeclarativeCompiler::completeComponentBuild qdeclarativecompiler.cpp 2693 0xb7dfbac5
11 QDeclarativeCompiler::compileTree qdeclarativecompiler.cpp 638 0xb7decdea
12 QDeclarativeCompiler::compile qdeclarativecompiler.cpp 612 0xb7decc97
13 QDeclarativeCompositeTypeData::toCompiledComponent qdeclarativecompositetypemanager.cpp 148 0xb7e1deb2
14 QDeclarativeComponentPrivate::fromTypeData qdeclarativecomponent.cpp 181 0xb7dda352
15 QDeclarativeComponent::loadUrl qdeclarativecomponent.cpp 469 0xb7ddb34c
16 QDeclarativeComponent qdeclarativecomponent.cpp 355 0xb7ddab9c
17 QDeclarativeViewPrivate::execute qdeclarativeview.cpp 174 0xb7cbfbd4
18 QDeclarativeView::setSource qdeclarativeview.cpp 320 0xb7cc0370
19 QDeclarativeViewer::open qmlruntime.cpp 1002 0x0805dff9
20 main main.cpp 443 0x08083a00
... <More>

For a less artificial example, replace strings with some real content that you want to separate on multiple lines.

Also, the following qml actually works:

 
Rectangle {
    width: 640; height: 480

    Text {
        id: concat
        text: String("aaaa"
            + "bbbb"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc"
            + "cccc");
    }
}