We use the gcc11 compiler to compile the qt5webview module. The compilation is normal. This error occurs when running the sample minibrowser of qt5vebview, resulting in crash. It is found that the gcc11 compiler is faulty by searching. The gcc10 compiler returns to normal. We hope to run on the gcc11 compiler, so we need to solve this bug. Specific bug information can be viewed here:https://bugreports.qt.io/browse/QTBUG-99545
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